Peptides

<p>PACAP27 is a peptide that is used as a research tool. PACAP27 binds to the receptor for pituitary adenylate cyclase-activating polypeptide (PACAP). The binding of PACAP27 to the receptor leads to activation of adenylyl cyclase, which increases intracellular levels of cAMP. This increase in cAMP may lead to cellular responses such as increased ion channel activity and increased protein synthesis.</p>

<p>Adrenomedullin (human) is a research tool that has been shown to activate the ligand receptor. It is a member of the vasoactive peptide family, which includes adrenalin and noradrenaline. Adrenomedullin binds to the cell surface receptors on smooth muscle cells and endothelial cells and activates ion channels. This research tool is also known as AM.</p>

<p>m-dPEG®4-MAL is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. m-dPEG®4-MAL is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

This Neuroendocrine Regulatory Peptide-1 (human) product can be used as an endogenous suppressor of vasopressin release and is available as a 0.1mg vial. The neuroendocrine regulatory peptide-1 (NERP1) is derived from VGF and it colocalizes with vasopressin in the hypothalamus and it has been found that NERPs prevent vasopressin release from the hypothalamus. Thus NERP1 is involved in body fluid homeostasis through modulating the release of vasopressin.

<p>Thiol-dPEG®8-Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Thiol-dPEG®8-Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Amino-dPEG®4-t-Butyl Ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Amino-dPEG®4-t-Butyl Ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>APETx2 is a peptide that belongs to the inhibitor class of protein interactions. It has been shown to inhibit the activation of beta-adrenergic receptors by preventing the binding of the ligand, which is a catecholamine. APETx2 also has been shown to be an activator for muscarinic acetylcholine receptors. This peptide is a high purity research tool that can be used as an antibody conjugate in immunohistochemical and immunoprecipitation assays.</p>

<p>t-boc-N-Amido-dPEG®12-Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. t-boc-N-Amido-dPEG®12-Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Beta-Sheet Breaker Peptide iAß5 is a peptide that interacts with amyloid beta proteins to disrupt the formation of beta sheets. It has been shown to inhibit the aggregation of amyloid beta proteins into oligomers and fibrils, and disrupts the self-assembly of amyloid beta protein into various conformations. Beta-Sheet Breaker Peptide iAß5 is a ligand for both receptor and activator binding sites on amyloid beta proteins, inhibiting the interaction of these sites. This inhibits the activation of downstream signalling pathways associated with Alzheimer's disease.</p>

<p>Azido-dPEG®4-Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Azido-dPEG®4-Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Poly-L-Lysine Hydrochloride is a synthetic polymer that has been shown to inhibit the growth of cancer cells. It has also been shown to be effective in preventing neuronal cell death, as well as toxicity caused by exposure to high levels of water vapor. Poly-L-Lysine Hydrochloride can be used as an anticancer agent and has a synergistic effect with other drugs. This polymer is thought to work by blocking the synthesis of DNA, RNA, and proteins, which are vital for the cell's survival.</p>

<p>Hydroxy-dPEG®6-t-Butyl Ester is a PEG polymer categorised as monofunctional (OH-PEG-X). Used as a linker, hydroxy-dPEG®6-t-Butyl Ester is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>Aminooxy-dPEG®12-amido-dPEG®12-(m-dPEG®11)3 is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Aminooxy-dPEG®12-amido-dPEG®12-(m-dPEG®11)3 is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Angiotensin I (Bovine) is a synthetic substrate that is used for the measurement of Angiotensin I-converting enzyme activity in vitro. It has been incubated with rat or bovine tissue and can be used as a chromatographic standard. This substrate binds to the active site of the enzyme and undergoes hydrolysis, which generates an increase in pH. The resulting product is then measured fluorimetrically by measuring the decrease in absorbance at 350 nm. This peptide has been found to have a pressor effect and an inhibitory effect on acid secretion.</p>

<p>Des-Acyl Ghrelin (Human) is a Des-Octanoylated Ghrelin product available in the Trifluoroacetate Salt form and as a 0.1mg vial. Ghrelin is a peptide horone which plays a role in regulating energy balance, stimulating appetite, nutrient sensing and meal initiation. It influences bodily functions through associating with growth hormone secretagogue receptors (GHS-R) through its unique N-octanoyl group which is linked to its serine 3 residue covalently. It wider functions are in the regulation of insulin resistance, diabetes and obesity. On top of this Ghrelin is also found to be involved with glucose homeostasis, energy homeostasis, cardio-protective effects, bone metabolism and is a potential target for cancer. Therefore it can be used to develop therapies for a whole spectrum of diseases. This molecule is used as a research tool for studying cell biology and pharmacology.</p>

Urotensin II-related peptide (URP) is a potent, selective, nonpeptide antagonist of the calcitonin gene-related peptide receptor. URP inhibits the binding of calcitonin gene-related peptide to its receptor and blocks the effects of this peptide on a variety of cell types. In addition, URP suppresses the release of substance P from sensory neurons in rat skin and blocks neurogenic inflammation. This product is purified by HPLC and has an analytical purity of >95%.

Azido-dPEG® 12-NHS ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Azido-dPEG® 12-NHS ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.

<p>Liver-Cell Growth Factor (LCGF) is a growth factor that stimulates the proliferation of liver cells. LCGF is found in coagulation factors, fatty acids, and peptides. LCGF has been shown to have long-term efficacy in the treatment of liver disease and has been demonstrated to be neuroprotective in animal models of Parkinson's disease. This growth factor also inhibits nucleotidase, which is an enzyme that breaks down nucleotides into mononucleotides and diphosphates. LCGF has been associated with statistically significant improvements in diameter and lysine levels in fetal bovine serum.</p>

<p>Salusin-Beta is a peptide that belongs to the group of activators. It has been shown to inhibit the activity of ion channels. Salusin-Beta (Human) is an antibody that can be used for research purposes. Salusin-Beta (Human) has been shown to have high purity and it can be used as a reagent for research and development in Cell Biology and Pharmacology.</p>

<p>A synthetic green mamba snake toxin sourced from the green mamba, Dendroaspis angusticeps, which can be used as a neuronal  L-type Ca2+ channel blocker. This product has disulfide bonds between Cys7-Cys57, Cys16-Cys40, and Cys32-Cys53 and is available as a 0.1mg vial.</p>

<p>MAL-dPEG®8-NHS Ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. MAL-dPEG®8-NHS Ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Biotin-OSu is a biotin derivative that is used as a fluorescence probe for the detection of DNA binding activity. It has been shown to bind to DNA with high affinity in an experimental model. Biotin-OSu binds to the major groove of DNA and can be used to detect dna binding activities, such as protein-DNA interactions, by forming a ternary complex with the target protein and a fluorophore. This compound has also been shown to react with mouse monoclonal antibodies and human serum proteins, which are transfer reactions. Biotin-OSu has also been used as a coupling agent in peptide hormones and streptavidin polymerase chain reactions (PCR). The presence of disulfide bonds in this compound give it stability but limits its solubility.</p>

<p>Bis-dPEG®17-NHS Ester is a PEG polymer categorised as homobifunctional PEG (X-PEG X). Used as a linker, bis-dPEG®17-NHS Ester is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>The SARS Spike peptide is a research tool that can be used as an activator and an antibody. It has a high purity and is contained in a CAS number. This peptide can be used for the study of protein interactions, receptor binding, ligand binding, and pharmacology.</p>

<p>Bis-dPEG®17-PFP Ester is a PEG polymer categorised as homobifunctional PEG (X-PEG X). Used as a linker, bis-dPEG®17-PFP Ester is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>L-685,458 is a peptide that is used as a research tool to study protein interactions and the role of ion channels in cell biology. It binds to the receptor site and inhibits the binding of natural ligands. L-685,458 is an inhibitor of ion channels and acts by blocking the voltage-dependent activation of sodium channels. It also blocks potassium channels, which are responsible for regulating membrane potentials and controlling nerve impulses. L-685,458 has been shown to inhibit protein interactions in pharmacology studies with receptor binding assays.</p>

<p>Eledoisin is a novel ion channel activator that belongs to the group of peptides. It has been shown to activate voltage-gated sodium channels and calcium channels in cell culture, which may be due to its ability to inhibit the phosphorylation of L-type channels. Eledoisin also binds to human and rat receptors with high affinity, exhibiting a ligand binding affinity of IC50 = 0.5 nM. The amino acid sequence of eledoisin is related to that of other peptides such as beta-amyloid, calcitonin, bombesin, and thyrotropin releasing hormone (TRH).</p>

<p>Cl-Ac-(OH)Leu-Ala-Gly-NH2 is a peptide with an amino acid composition of Cl-Ac-(OH)Leu-Ala-Gly. It is synthesized by the chemical reaction of hydrochloric acid and L-alanine. This peptide has been shown to be an irreversible inhibitor of metalloendopeptidase, preventing the breakdown of proteins in the stomach. The pH profile for this peptide is acidic and its molecular weight is approximately 1296 daltons.</p>

<p>As a dynorphin peptide, Dynorphin A has affinity for opioid receptors in particular it favors kappa-opioid receptors and residues 1-13 of the Dynorphin A peptide are crucial for its potency. Kappa-opioid receptors are expressed in the brain, peripheral tissues and the spinal cord and are located in areas involved in pain. For example when Dynorphin A binds to kappa-opioid receptors, dopamine is inhibited in areas of the brain prevalent in drug addiction, thus demonstrated Dynorphin A to have antagonistic effects on the brain reward circuit. Dynorphin A could be a useful research tool for studying analgesia, reward and addiction.<br>This product is available as a 0.5mg vial.</p>

<p>Melanin-concentrating hormone (MCH) is a neuropeptide that is used to study the regulation of food intake and body weight. MCH binds to its receptor, the melanocortin-4 receptor (MC4R), which is coupled to an ion channel. This binding causes the release of potassium ions from cells, leading to depolarization and increased neuronal excitability. It has been shown that MCH can be used as a research tool for studying ion channels, ligand-receptor interactions, and cell biology.</p>

<p>Cbz-N-Amido-dPEG®4-Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Cbz-N-Amido-dPEG®4-Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

2,3,4,6-Tetra-O-acetyl-α-D-mannopyranosyl fluoride is a fluorinated glycoside that is used as a reagent in organic synthesis to fluorinate alcohols and amines. It selectively reacts with primary and secondary alcohols to give the corresponding fluorides. The product can be used for the synthesis of carboxylic acids and esters. 2,3,4,6-Tetra-O-acetyl-α-D-mannopyranosyl fluoride is also used in biochemistry research as a substrate for oligosaccharide synthesis. This product has been shown to react with proteins to form peptides and with DNA to form nucleosides.

<p>Secretin (human) is a peptide hormone that is produced in the duodenum and is involved in the regulation of pancreatic bicarbonate, gastric acid and osmoregulation. Secretin binds to secretin receptors which are G-protein coupled receptors and are expressed in pancreatic centroacinar cells. Secretin binds to these receptors and activates adenylate cyclase which converts ATP into cAMP which results in the secretion of bicarbonate from the pancreas. Secretin plays a role in osmoregulation through its effects on the kidney, pituitary gland and the hypothalamus. This product is available as a 0.5mg vial.</p>

<p>A molluscan cardioexcitatory neuropeptide which has the potential to be used in cell biology, pharmacological, and protein-protein interaction studies. This product is available as an FMRF-Amide.</p>

<p>Somatostatin is a peptide hormone that has been found to inhibit pituitary growth hormone release as well as endocrine, pancreatic and GI secretions. It is widely expressed throughout the body for example in the gastrointestinal (GI) tract, hypothalamus, pancreas and the central nervous system. In the central nervous system somatostatin plays a role in neurotransmission modification and it has also demonstrated to be effective against a number of cancers such as squamous carcinoma. This product contains disulfide bonds between Cys3-Cys14 and is available as a 0.5mg vial.</p>

<p>Angiotensin IV (Human) is a peptide hormone and peptidase inhibitor that belongs to the family of angiotensins. It is produced by the renin-angiotensin system and inhibits the action of angiotensin converting enzyme, an enzyme that converts angiotensin I into angiotensin II. Angiotensin IV has been used for research purposes as well as for therapeutic applications in cardiovascular diseases, hypertension, and congestive heart failure. Angiotensin IV is a high purity product with a purity greater than 99%.</p>

<p>Ac-Val-Asp-Val-Ala-Asp-AMC is a research tool used to study the function of ion channels. It is an activator that binds to the receptor site on ATP sensitive potassium channels. Ac-Val-Asp-Val-Ala-Asp-AMC has been shown to inhibit calcium and sodium ion flux through ion channels, as well as high purity and good solubility. This peptide is useful for studying protein interactions, pharmacology, and life science research.</p>

<p>Ac-Gly-Lys-OMe • AcOH is a synthetic substrate that is used in enzymatic reactions. This product is a peptide that contains an amide bond and a disulfide bond. It has been shown to be inactive when exposed to human serum for up to 30 minutes. Ac-Gly-Lys-OMe • AcOH has been shown to have inhibitory effects on the activity of monoclonal antibodies as well as dodecyl, which belongs to the group of lipids found in blood plasma. The rate of this reaction increases with increasing temperature and pH, but decreases with increasing concentrations of AGLME or dodecanol.</p>

<p>Lipoamido-dPEG®8-Acid is a PEG molecule conjugated with a lipid moiety. Lipoamido-dPEG®8-Acid, conjugated to this lipid constituent, is very important especially in drug delivery and vaccine development as it helps improve the stability and circulation time of lipid nanoparticles (LNPs) and liposomes.</p>

<p>Amyloid Beta-Protein (42-1) is a recombinant form of the protein, amyloid beta-protein, that is relevant to Alzheimer's disease. It is used as a research tool and for pharmacological studies. Amyloid Beta-Protein (42-1) has been shown to bind to ion channels and activate them. This product can be used as an antibody or cell biology research tool.</p>

<p>CoV-2 Spike (1000-1200) is a ProSpec that is used for the detection of Angiotensin Converting Enzyme 2 (ACE-2). The spike protein binds to ACE-2, which can be found in the human blood plasma. The CoV-2 Spike (1000-1200) can be used for the detection of coronavirus such as MERS-CoV and SARS-CoV. It can also be used to detect Proteins in samples such as COVID-19.</p>

<p>MAL-dPEG®6-NHS Ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. MAL-dPEG®6-NHS Ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>S-Acetyl-dPEG®4-OH is a PEG polymer categorised as monofunctional (OH-PEG-X). Used as a linker, S-Acetyl-dPEG®4-OH is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>Bis-dPEG®4-Acid is a PEG polymer categorised as homobifunctional PEG (X-PEG X). Used as a linker, bis-dPEG®4-Acid is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>Cyclo(Thr-Pro) is a flavonol glycoside that has been shown to have neuroprotective activity. Cyclo(Thr-Pro) binds to the mitochondrial membrane potential, which is important in the regulation of the cell's life and death. Cyclo(Thr-Pro) has also been shown to inhibit tumor growth and induce apoptosis in cancer cells. Cyclo(Thr-Pro) has been shown to be reactive with gamma-aminobutyric acid (GABA), an inhibitor of neurotransmitter release from neurons, which may contribute to its anti-inflammatory properties. Cyclo(Thr-Pro) is found in the genus Fusarium, and its natural compounds profile includes caffeine.</p>

<p>Gly-Gly-Gly is a fluorescent probe that has been shown to be cytotoxic, with a 1:1 ratio of glycolic acid and glyoxylic acid. Gly-Gly-Gly is an ester hydrochloride that can be used as a fluorescence probe in electrochemical impedance spectroscopy. It has been shown to have biological properties and to be structurally similar to the group P2 polymerase chain reaction (PCR) primer. Gly-Gly-Gly is able to inhibit the polymerase chain reaction by binding to the template DNA strands, inhibiting the formation of the hydrogen bonds required for DNA replication. This inhibition leads to strand breakage, preventing duplication of genetic material.</p>

<p>Pyr-Phe-Leu-pNA is a proteolytic enzyme that can be used as a pharmaceutical drug. It has been shown to have insecticidal activity against the Anopheles mosquito and other insects, as well as antimicrobial activity against bacteria and fungi. Pyr-Phe-Leu-pNA is activated by tryptophan fluorescence, which is why it is suitable for use in peptide mapping. This enzyme also has an important physiological function in the zymogen activation pathway, which enables it to act as an enzyme substrate. Pyr-Phe-Leu-pNA will also degrade proteins that contain sequences of leishmania protease activity or signal peptide.</p>

<p>Amino-dPEG®36-OH is a PEG polymer categorised as monofunctional (OH-PEG-X). Used as a linker, amino-dPEG®36-OH is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>DOTA(tBu)3-OH is a Building Block that is used in peptide synthesis. It can be used as a condensation reagent or as a building block for the synthesis of peptides and antibodies. DOTA(tBu)3-OH is also an additive for labelling and building blocks for peptide synthesis. DOTA(tBu)3-OH is stable and not toxic to cells, making it useful in cell culture applications. It has been shown to react with the side chain amino groups of lysine residues on proteins, including antibody molecules.</p>

Methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-2-thio-D-glycero-D-galacto-2-nonulopyranoside is a glycosyl compound that is used in the synthesis of peptides and other biochemicals. Methyl 5-(acetamido)-4,7,8,9 tetra O acetyl 3,5 dideoxy 2 thioglycoside has been shown to inhibit bacterial growth by binding to the enzyme beta lactamase. This product is also used as an intermediate for the synthesis of other compounds.

<p>Des-Pro2-Bradykinin is a synthetic peptide that has been shown to be an activator of ion channels, which are proteins that regulate the flow of ions across the cell membrane. Des-Pro2-Bradykinin can also inhibit the binding of ligands (e.g., neurotransmitters) to their receptors and can activate certain G protein coupled receptors. The inhibition of these interactions may have therapeutic potential for a variety of disorders, including pain and inflammation. Des-Pro2-Bradykinin is also an inhibitor of protein interactions with antibodies or ligands and is a pharmacological tool for research in cell biology, pharmacology, and life science.</p>

<p>Z-Gly-Leu-NH2 is a peptide that has been shown to have specificities against the bacteria Staphylococcus. It was obtained by the synthesis of a synthetic peptide with a sequence corresponding to the amino acid sequence of casein, which is a protein found in milk. The peptide contains four amino acids and has been shown to induce cytopathic effect in staphylococci, which are rod-shaped bacteria. This peptide also has high thermostability, which means it can be heated up to 100°C for 10 minutes without changing its activity. Z-Gly-Leu-NH2 is stable at pH 5 and is resistant to proteolytic degradation by subtilisin, making it an ideal candidate for use as a food additive.</p>

<p>Tyrosyl-Bradykinin is a peptide that is used as a research tool. It can activate an antibody or receptor and is used in the study of protein interactions. Tyrosyl-Bradykinin has been shown to be an inhibitor of ion channels and can block the activity of ligands and receptors. This peptide has also shown pharmacological properties, such as preventing platelet aggregation and inhibiting the release of histamine from mast cells.</p>

<p>Suc-Gly-Pro-AMC is a research tool that is used to measure the activation of receptors. It binds to the receptor, which changes its conformation and leads to an ion channel opening. The change in ion concentration alters the voltage across the cell membrane, which can be measured. Suc-Gly-Pro-AMC has been shown to inhibit peptide binding to cells that are sensitive to the peptides, such as those with autoimmune diseases.</p>

<p>m-dPEG®24-Lipoamide is a PEG molecule conjugated with a lipid moiety. m-dPEG®24-Lipoamide, conjugated to this lipid constituent, is very important especially in drug delivery and vaccine development as it helps improve the stability and circulation time of lipid nanoparticles (LNPs) and liposomes.</p>

<p>Nma-Gly-Gly-Val-Val-Ile-Ala-Thr-Val-Lys(Dnp)-D-Arg-D-Arg-D-Arg NH₂ is a peptide that can be used as a research tool to study ion channels. It is an inhibitor of the chloride channel, and it can also inhibit other ion channels. This peptide has been shown to bind to the receptor site of the nicotinic acetylcholine receptor, which is found in muscle and nerve cells. When bound to this receptor, Nma Gly Gly Val Val Ile Ala Thr Val Lys (Dnp) D Arg D Arg D Arg NH2 blocks the passage of ions through the membrane.</p>

<p>Boc-Leu-Lys-Arg-AMC is an inhibitor of the human erythrocyte receptor for thrombin. It has shown activity in a number of other protein interactions, such as with the human receptor for epidermal growth factor (EGF) and the human receptor for insulin-like growth factor II. Boc-Leu-Lys-Arg-AMC is used as a research tool to study the function of proteins, including ion channels and receptors. This compound is also used as an antibody in immunological studies that examine protein interactions. Boc-Leu-Lys-Arg-AMC can be purchased in high purity and at a reasonable price from our store.</p>

<p>CoV-2 S1 (319-529) is a recombinant peptide that was derived from the CoV-2 S1 protein. It is an activator of ion channels and can be used as a research tool in pharmacology and cell biology. This peptide has been shown to bind to the Na+ channel, which is involved in the generation and propagation of nerve impulses, and to modulate its gating properties. It can also inhibit voltage-gated K+ channels, which are involved in the regulation of neuron excitability. CoV-2 S1 (319-529) is purified at &gt; 98% purity and has a CAS number.</p>

<p>Amino acids 13-34 of the Parathyroid Hormone (PTH) which is a peptide hormone that is secreted from the parathyroid gland in the event of abnormal serum calcium levels and it ultimately regulates calcium and phosphate levels in the body. The PTH exerts its activity through binding to the G-protein coupled receptor type 1 PTH receptor, which activates adenylate cyclase or phospholipase C thus activating pathways involved in the mediation of bone resorption and bone formation. This product is suitable for life science applications and is available as a 0.5mg vial.</p>

<p>S-Acetyl-dPEG®8-OH is a PEG polymer categorised as monofunctional (OH-PEG-X). Used as a linker, S-Acetyl-dPEG®8-OH is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>m-dPEG®4-Lipoamide is a PEG molecule conjugated with a lipid moiety. m-dPEG®4-Lipoamide, conjugated to this lipid constituent, is very important especially in drug delivery and vaccine development as it helps improve the stability and circulation time of lipid nanoparticles (LNPs) and liposomes.</p>

<p>m-dPEG®36-MAL is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. m-dPEG®36-MAL is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>A molluscan cardioexcitatory neuropeptide which has the potential to be used itn cell biology, pharmacological, and protein-protein interaction studies.</p>

<p>Ala-pNA is a peptide hormone that is related to vasopressin and has been shown to be a potential drug target for renal cell cancer. In vitro studies have shown that Ala-pNA inhibits the growth of human leukemia cells and other carcinoma cell lines. The reduction in cell proliferation was due to the decrease in proteolytic activity, which was due to the inhibition of collagenase synthesis. This peptide hormone also inhibits protein synthesis, leading to decreased production of enzymes such as p-nitrophenyl phosphate synthase and sodium citrate synthase. A study on the use of this compound on rats with induced renal carcinoma showed that it had no toxicological effects.</p>

<p>m-dPEG®12-Azide (Azido-m-dPEG®12) is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. m-dPEG®12-Azide (Azido-m-dPEG®12) is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>m-dPEG®8-Thiol is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. m-dPEG®8-Thiol is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>m-dPEG®15-Amine is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. m-dPEG®15-Amine is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Fmoc-MeDbz is an antimicrobial peptide that has been synthesized using solid-phase synthesis. The peptide is composed of the unusual amino acids Fmoc-Me and Dbz. It is a cyclic peptide with an amide bond at its C-terminus. Fmoc-MeDbz has a neutral ph value and can be activated using chemical ligation and modifications to improve its stability. Synthetic analogs of this peptide have also been developed to improve its antibacterial activity against various bacterial strains such as methicillin resistant Staphylococcus aureus (MRSA).</p>

Alpha-MSH is a peptide that binds to the Melanocortin 1 receptor. Alpha-MSH is a peptide hormone and neurotransmitter that is involved in the regulation of numerous physiological processes, including appetite, sexual desire, immune response, and skin pigmentation. In addition to its role as a natural hormone, it has been studied as a potential drug for the treatment of obesity and other diseases. The product can also be used as an antibody probe for Western blotting or immunohistochemistry.  The product is produced synthetically.

<p>Cyclo(Ala-Pro) is a cyclic peptide that has been shown to inhibit the growth of endophytic fungi. It also has hydroxyl group and a regulatory function, which may be due to its ability to bind to DNA or RNA. Cyclo(Ala-Pro) can be used as a food additive for animal health purposes.</p>

<p>Pyr-Ala is a peptide that has been shown to be effective in treating inflammatory diseases. It specifically targets the group P2 sequences of the inflammatory cytokine IL-1β. Pyr-Ala also inhibits IL-6 and TNF-α activity by binding to the amide bond of these molecules, inhibiting their catalysis and preventing their formation. Pyr-Ala has also shown efficacy in autoimmune diseases, such as rheumatoid arthritis, by inhibiting the production of proinflammatory cytokines including IL-1β and TNF-α. This drug binds to the bacterial enzyme that catalyzes the conversion of L -alanine into pyruvic acid, preventing its function and inhibiting bacterial growth.</p>

<p>Azido-dPEG®8-Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Azido-dPEG®8-Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Angiotensin IV (human) is an active analogue of the chemoattractant protein, angiotensin. It is a potent anti-inflammatory cytokine that inhibits the production of pro-inflammatory cytokines, such as IL-10. Angiotensin IV (human) has been shown to significantly reduce the production of pro-inflammatory cytokines in mice with chronic inflammation and can be used to treat autoimmune diseases. The biological properties of this protein have been studied using polymerase chain reactions and cytosolic calcium assays. It has been shown to inhibit binding to both the angiotensin receptor and angiotensin converting enzyme. Angiotensin IV (human) also has locomotor activity.</p>

Fmoc-N-Amido-dPEG®4-t-boc-Hydrazide is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Fmoc-N-Amido-dPEG®4-t-boc-Hydrazide is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.

<p>Fmoc-N-Amido-dPEG®12-NHS Ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Fmoc-N-Amido-dPEG®12-NHS Ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Amino-dPEG®24-OH is a PEG polymer categorised as monofunctional (OH-PEG-X). Used as a linker, Amino-dPEG®24-OH is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>Sar1,Ile8]-Angiotensin II is a peptide that acts as an inhibitor of angiotensin II. It interacts with protein targets in the cell and blocks their function. Sar1,Ile8]-Angiotensin II is a research tool that can be used to study the interactions between proteins and inhibitors. Sar1,Ile8]-Angiotensin II has high purity and is not radioactive. It is also an antibody that can be used in life science research.</p>

<p>Fmoc-N-Amido-dPEG®12-Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Fmoc-N-Amido-dPEG®12-Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Suc-Ala-Ala-Pro-Phe-AMC is a peptide that is an activator of the acetylcholine receptor. Suc-Ala-Ala-Pro-Phe-AMC has been shown to inhibit the binding of the ligand to the receptor and also prevent activation of ion channels. It has been used as a research tool for studying protein interactions, as well as, antibody production and cell biology. This peptide can also be used as a pharmacological agent, which may be useful in treating diseases such as Alzheimer's disease.</p>

Anti-Secretin (Human) Serum is a purified protein that inhibits the activity of secretin, a peptide hormone. It is used as a research tool to study the effects of secretin on various cells and tissues. It can also be used as an inhibitor in receptor binding experiments. Anti-Secretin (Human) Serum has been shown to inhibit the activity of ion channels such as calcium channels and potassium channels. This product is highly purified and has a purity level of > 98%.

Methionyl-Lysyl-Bradykinin is a peptide inhibitor that has been shown to inhibit the activity of protein kinase C (PKC). PKC is involved in a number of cellular functions, including the regulation of ion channels and the activation of other enzymes. Methionyl-Lysyl-Bradykinin can be used as an inhibitor in research tool experiments. It can also be used as an activator or ligand in receptor binding experiments. The high purity and specificity of this product make it suitable for use as a research reagent.

<p>Azido-dPEG®12-NHS ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Azido-dPEG®12-NHS ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>m-dPEG®23-OH is a PEG polymer categorised as monofunctional (OH-PEG-X). Used as a linker, m-dPEG®23-OH is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.</p>

<p>Galanin is a peptide that belongs to the family of neuropeptides and is found in the endocrine system, the central and peripheral nervous systems. It has been shown to inhibit the release of acetylcholine in the central nervous system and interestingly in Alzheimer’s disease patients, hyperinervation of galanin fibres has been found. Galanin is also known to have a variety of physiological effects including inhibition of insulin release, stimulation of prolactin and growth hormone secretion and it also plays a role in feeding, mood, cognition, neuroendocrine regulation and affects gastrointestinal motility. Galanin asserts its effects through associated with G-protein coupled receptors. This product is available as a 0.5mg vial.</p>

<p>As a member of the tachykinin neuropeptide family, Neurokinin B is involved in the dilation of blood vessels, the contraction of smooth muscles and the excitation of neurons. This product can be applied as a NK3 receptors selective agonist and is available as a 0.5mg vial.</p>

<p>A human infecting coronavirus (viral pneumonia) called 2019 novel coronavirus, 2019-nCoV was found in the fish market at the city of Wuhan, Hubei province of China on December 2019. The 2019-nCoV shares an 87% identity to the 2 bat-derived severe acute respiratory syndrome 2018 SARS-CoV-2 located in Zhoushan of eastern China. 2019-nCoV has an analogous receptor-BD-structure to that of 2018 SARS-CoV, even though there is a.a. diversity so thus the 2019-nCoV might bind to ACE2 receptor protein (angiotensin-converting enzyme 2)  in humans. While bats are possibly the host of 2019-nCoV, researchers suspect that animal from the ocean sold at the seafood market was an intermediate host. RSCU analysis proposes that the 2019-nCoV is a recombinant within the viral spike glycoprotein between the bat coronavirus and an unknown coronavirus. The E. coli derived recombinant protein contains the Coronavirus 2019 middle region 196 a.a. from the nucleocapsid protein and fused to GST-6xHis tag at N-terminal and having a M.W. Of 48.4 kDa. It has been purified using PNTA Sepharose-Affinity Purification. The CoV-2 Nucleocapsid protein solution is supplied in 50mM Tris-HCl pH 8, 1M Urea, and 50% Glycerol.</p>

<p>ANP (Human, 5-27) is a native peptide amino acid sequence that is found in the human body. It is also known as Atrial Natriuretic Peptide and is a ligand for the ANP receptor. ANP (Human, 5-27) has been shown to activate the receptor by binding with it and thus stimulate the production of cyclic guanosine monophosphate. This substance has been used as a research tool for pharmacology and cell biology studies because of its potential to inhibit or stimulate protein synthesis, depending on its concentration. It has also been used to produce antibodies against it.</p>

<p>Serum thymic factor (STF) is a peptide that is secreted by the thymus gland. STF has been shown to inhibit the binding of lysosomal enzymes to their receptors in the presence of proteinase inhibitors. STF also activates complement C3 and C4, leading to the production of anaphylatoxins. This peptide has been used as a research tool for studying protein interactions and receptor-ligand interactions. Additionally, STF has been shown to be a ligand that binds to a receptor on human erythrocytes.</p>

<p>CBZ-N-Amido-dPEG®3-Amine is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. CBZ-N-Amido-dPEG®3-Amine is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Z-Val-Val-Arg-AMC is a synthetic peptide that activates the glycine receptor. It has been shown to inhibit ion channel function in a rat model of epilepsy, and also to block the binding of an antibody against the glycine receptor. The peptide was synthesized by coupling L-valine, L-valylglycine, and L-arginine with methyl 2-(4'-methylaminophenyl) acetate. Z-Val-Val-Arg-AMC is a high purity product that has been shown to be useful in cell biology research as a tool for studying ligand/receptor interactions.</p>

<p>PACAP is a peptide that belongs to the class of activators. It is used as a research tool for its ability to activate ion channels in mammalian cells. PACAP interacts with receptors and can be found in both the central nervous system and peripheral tissues. The receptor for PACAP, known as the PAC1 receptor, is coupled to G-proteins and regulates adenylate cyclase activity. PACAP has been shown to inhibit cell proliferation and promote apoptosis in various types of cancer cells.<br>PACAP also stimulates the release of oxytocin from neurohypophysis cells, which may lead to its use as a treatment for autism spectrum disorders or depression.</p>

<p>m-dPEG®4-Tosylate is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. m-dPEG®4-Tosylate is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Nociceptin is a peptide that binds to the NOP receptor and activates it, which inhibits neuronal activity. It has been shown to inhibit protein interactions by acting as an inhibitor of the enzyme proteasome. Nociceptin activates the Ligand-gated ion channels, which are involved in pain perception. Nociceptin also has been used as a research tool for investigating protein interactions and antibody production.</p>

<p>Amino-dPEG®4 Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Amino-dPEG®4 Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>

<p>Z-Leu-Leu-Nva-H (aldehyde) is a peptide that has been used as an activator and an inhibitor of ion channels. It binds to the receptor site on the ion channel, which changes the flow of ions through the channel. This peptide has been shown to inhibit ligand binding and protein interactions. Z-Leu-Leu-Nva-H (aldehyde) is a high purity product that is available in bulk amounts.</p>

Anti Total Glucagon (Human, Rat) Serum is a research tool that can be used in the study of ion channels and receptor-ligand interactions. It is a purified serum that contains glucagon. This product has been tested for purity and is used in the life science industry as a research tool to study protein interactions.

<p>Des-Asp1-[Ile8]-Angiotensin II is a peptide that has been shown to have analgesic effects. It has been reported to be active in anesthetized, Sprague-Dawley rats and in primary cultures of rat brain neurons. The peptide binds to the angiotensin II type 1 receptor (AT1) subtype and enhances the activity of the receptor when it is bound by angiotensin II. Des-Asp1-[Ile8]-Angiotensin II also inhibits aminopeptidase activity, leading to an increase in the concentration of angiotensin II. This leads to increased antinociception at high concentrations, which may be due to its effect on baroreceptors or mesenteric blood vessels.</p>

<p>Human-monoBiotin (PheB1) is a peptide that activates the acetylcholine receptor and may be used as an inhibitor for ion channels. This peptide has been shown to inhibit the binding of acetylcholine to its receptor, which may lead to therapeutic benefits for diseases associated with protein interactions, such as Alzheimer's disease. It also has a role in cell biology and pharmacology.</p>

<p>BNP Human is a peptide with a molecular weight of 5.5 kDa. It is the human form of brain natriuretic peptide (BNP) and is used for research purposes in cell biology, immunology, pharmacology, and life science. BNP Human is an activator of ion channels and inhibits protein interactions. BNP Human has been shown to have effects on receptors and ligands. It has CAS number: 60714-06-2.</p>

<p>SPDP-dPEG®36-Acid is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. SPDP-dPEG®36-Acid is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.</p>