Peptídeos

Insecticidal peptide against Spodoptera frugiperda

Selective blocker of SK2 (KCa2.2) channels

NY-ESO-1 protein:
NY-ESO-1 (123-137) DRB1*04:01 is an epitope analogue of the New York esophageal squamous cell carcinoma-1, also named cancer testis. NY-ESO-1 is expressed in 82% of neuroblastomas and 46% of melanomas but also in many others solid tumors and hematological malignancies. That’s why, NY-ESO-1 peptides are attractive targets for specific immunotherapies and for the stimulation of human NY-ESO-1 specific CD8+ T cells.
Applications of NY-ESO-1 (123-137) DRB1*04:01:
Results of studies suggest after stimulation of NY-ESO-1 (123-137) DRB1*04:01 specific T cells and IFN- ELISPOT and chronium release assays that NY-ESO-1 (123-137) DRB1*04:01 can be an immunogenic epitope encoded by NY-ESO-1. NY-ESO-1 (123-137) DRB1*04:01 contains epitope capable of binding HLA-DR molecules.

Primary SIL peptide for Dupilimab detection and quantification

SARS-CoV-2 Spike RBD 371-394 peptide is an epitope of interest of the SARS-CoV-2 Spike S glycoprotein Receptor-Binding Domain (RBD). SARS-CoV-2 Spike RBD 371-394 peptide is useful for vaccine development and for structure-activity relationship studies
SARS-CoV-2 Spike (S) glycoprotein
Spike (S) glycoprotein corresponds to one of the leading targets for COVID-19 disease. Present on the surface of Sars-CoV-2 virus, Spike S protein is a class I fusion protein that allows the virus to enter host cells.
With a 1 273 aa length, Spike protein has 2 subunits : S1 contains the receptor-binding domain RBD and S2 induces the fusion of the viral envelop with the cellular membrane.
SARS-CoV-2 Spike RBD:
The receptor-binding domain in SARS-CoV-2 Spike protein allows binding to the Angiotensin-Converting Enzyme receptor 2 (ACE2 receptor) which mediates the viral entry.
SB-PEPTIDE also offers SARS-CoV-2 Spike RBD 371-394 (Biotin-LC) peptide

SB-peptide offers the scrambled version of OVA 257-264. FILKSINE can be used as a negative control of OVA 257-264 studies.
SB-peptide offers also OVA 257-264 (see section OVA 257-264).
Ovalbumin protein:
OVA 257-264 (H-2Kb) is an epitope of interest of the egg white albumen, ovalbumin. Ovalbumin is a glycoprotein that is sufficiently large and complex to be mildly immunogenic. Indeed, it has been demonstrated that Ovalbumin contains B-cell epitopes which are recognized by specific IgE antibodies and CD4 T cell epitopes restricted by the MHC I-Ad molecule in mice and by HLA-D molecule in human.
Applications of OVA 257-264:
OVA 257-264 is used to stimulate T cells in PBMCs and to quantify peptide epitope specificity and IFN-γ releasing effector cells by ELISPOT assay. OVA 257-264 is also used to test new adjuvant in immunotherapeutic vaccine development. OVA 257-264 can form a stable hydrogel and stimulate a immune response. This reaction seems to be linked with OVA 257-264 property to self-assemble into a hydrogel.
Sequence:C45H74N10013

Biotin-SARS-CoV-2 Spike RBD 523-541 peptide is the biotinylated version of SARS-CoV-2 Spike RBD 523-541 peptide. SARS-CoV-2 Spike RBD 523-541 peptide is an epitope of interest of the SARS-CoV-2 Spike S glycoprotein Receptor-Binding Domain (RBD). Biotin-SARS-CoV-2 Spike RBD 523-541 peptide is useful for vaccine development and for structure-activity relationship studies
SARS-CoV-2 Spike (S) glycoprotein
Spike (S) glycoprotein corresponds to one of the leading targets for COVID-19 disease. Present on the surface of Sars-CoV-2 virus, Spike S protein is a class I fusion protein that allows the virus to enter host cells.
With a 1 273 aa length, Spike protein has 2 subunits : S1 contains the receptor-binding domain RBD and S2 induces the fusion of the viral envelop with the cellular membrane.
SARS-CoV-2 Spike RBD:
The receptor-binding domain in SARS-CoV-2 Spike protein allows binding to the Angiotensin-Converting Enzyme receptor 2 (ACE2 receptor) which mediates the viral entry.

Biotin-SARS-CoV-2 Spike RBD 513-520 peptide is the biotinylated version of SARS-CoV-2 Spike RBD 513-520 peptide. SARS-CoV-2 Spike RBD 513-520 peptide is an epitope of interest of the SARS-CoV-2 Spike S glycoprotein Receptor-Binding Domain (RBD). Biotin-SARS-CoV-2 Spike RBD 513-520 peptide is useful for vaccine development and for structure-activity relationship studies
SARS-CoV-2 Spike (S) glycoprotein
Spike (S) glycoprotein corresponds to one of the leading targets for COVID-19 disease. Present on the surface of Sars-CoV-2 virus, Spike S protein is a class I fusion protein that allows the virus to enter host cells.
With a 1 273 aa length, Spike protein has 2 subunits : S1 contains the receptor-binding domain RBD and S2 induces the fusion of the viral envelop with the cellular membrane.
SARS-CoV-2 Spike RBD:
The receptor-binding domain in SARS-CoV-2 Spike protein allows binding to the Angiotensin-Converting Enzyme receptor 2 (ACE2 receptor) which mediates the viral entry.

Biotin-SARS-CoV-2 Spike RBM 438-458 peptide is the biotinylated version of SARS-CoV-2 Spike RBM 438-458 peptide. SARS-CoV-2 Spike RBM 438-458 peptide is an epitope of interest of the SARS-CoV-2 Spike S glycoprotein Receptor-Binding Motif (RBM). Biotin-SARS-CoV-2 Spike RBM 438-458 peptide is useful for vaccine development and for structure-activity relationship studies
SARS-CoV-2 Spike (S) glycoprotein
Spike (S) glycoprotein corresponds to one of the leading targets for COVID-19 disease. Present on the surface of Sars-CoV-2 virus, Spike S protein is a class I fusion protein that allows the virus to enter host cells.
With a 1 273 aa length, Spike protein has 2 subunits : S1 contains the receptor-binding domain RBD and S2 induces the fusion of the viral envelop with the cellular membrane.
SARS-CoV-2 Spike RBM:
The receptor-binding domain in SARS-CoV-2 Spike protein contains a receptor-binding motif RBM. SARS-CoV-2 Spike RBM is the main functional motif in RBD and allows contacts between the S protein and the Angiotensin-Converting Enzyme receptor 2 (ACE2 receptor) which mediates the viral entry.

Primary SIL peptide for Cetuximab detection and quantification

Nav1.3 activator

Blocker of Nav1.4 channels

Blocker of Nav1.7 channel

Blocker of voltage-gated sodium channels

Ryanodine receptors agonist

Biotin-SARS-CoV-2 Spike RBD 395-430 peptide is the biotinylated version of SARS-CoV-2 Spike RBD 395-430 peptide. SARS-CoV-2 Spike RBD 395-430 peptide is an epitope of interest of the SARS-CoV-2 Spike S glycoprotein Receptor-Binding Domain (RBD). Biotin-SARS-CoV-2 Spike RBD 395-430 peptide is useful for vaccine development and for structure-activity relationship studies
SARS-CoV-2 Spike (S) glycoprotein
Spike (S) glycoprotein corresponds to one of the leading targets for COVID-19 disease. Present on the surface of Sars-CoV-2 virus, Spike S protein is a class I fusion protein that allows the virus to enter host cells.
With a 1 273 aa length, Spike protein has 2 subunits : S1 contains the receptor-binding domain RBD and S2 induces the fusion of the viral envelop with the cellular membrane.
SARS-CoV-2 Spike RBD:
The receptor-binding domain in SARS-CoV-2 Spike protein allows binding to the Angiotensin-Converting Enzyme receptor 2 (ACE2 receptor) which mediates the viral entry.

Blocker of A-type potassium channels

MOG (183-191) FVIVPVLGP

MOCA-Arg-Pro-Lys-Pro-Val-Glu-Nva-Trp-Arg-Lys(Dnp)-NH2 is a synthetic peptide that interacts with the nicotinic acetylcholine receptor and is a potent agonist. MOCA was found to be a potent activator of the nicotinic acetylcholine receptor, as well as an inhibitor of ligand binding. The affinity for binding to the receptor was found to be high, with an inhibition constant (Ki) of 0.06 μM. It has been shown to inhibit ion channels and ligand binding in cell biology experiments. MOCA can also be used as a research tool for studying protein interactions and receptors.

SPDP-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. SPDP-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.

The virus replication-inhibiting peptide is a fatty acid that inhibits the replication of viruses. It has been shown to inhibit the growth of the bacteria Stenotrophomonas maltophilia and other bacteria, which causes infectious diseases. The peptide also has a diagnostic use for detecting viral infections in cells. The peptide was found to up-regulate genes in response to infection by pandemic influenza, which may be due to its ability to bind receptors on cells and also interfere with inflammatory responses. The virus replication-inhibiting peptide has been shown to be effective against influenza virus and other viruses, as well as against chronic inflammatory diseases such as lung damage caused by β-amino acids.

Bis-MAL-dPEG®11 is a PEG polymer categorised as homobifunctional PEG (X-PEG X). Used as a linker, bis-MAL-dPEG®11 is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.

Boc-Gln-Pro is a peptide that can be used as a substrate for peptidoglutaminase.

CGRP (calcitonin gene-related peptide) is a 37-amino acid neuropeptide that is found in humans and is widely distributed in the nervous system, particularly in sensory neurons, and is involved in the regulation of vascular tone, blood flow, pain perception, and inflammation. It is a potent vasodilator and has been implicated in the pathophysiology of several vascular disorders, including migraine headaches, cluster headaches, and hypertension.
In addition to its vascular effects, human CGRP also has neuroprotective properties and has been investigated as a potential therapeutic agent for various neurological disorders, such as Alzheimer's disease and Parkinson's disease.
Human CGRP has been extensively studied as a research tool to investigate its physiological and pathological roles in various tissues and diseases. It has also been targeted by pharmacological agents, such as CGRP antagonists and antibodies, for the treatment of migraine headaches and other conditions associated with CGRP dysfunction.
This product is available as a 0.5mg vial.

[Tyr34]-Parathyroid Hormone (Bovine, 7-34 amide) is a product sourced from bovine, is available as a 0.5mg vial and is related to the peptide hormone Parathyroid Hormone (PTH). During abnormal serum calcium levels PTH is secreted from the parathyroid gland, thus regulating calcium and phosphate levels in the body. PTH binds to its PTH receptor which is a G-protein coupled receptor that activated adenylate cyclase or phospholipase C to activate pathways involved in the mediation of bone resorption and bone formation.

Leu-Gly-Gly is a cyclic peptide that binds to fibrinogen and forms stable complexes with the enzyme form of human serum albumin. It is used as a model system for studying the structure of proteins, and has been shown to bind calcium ions. Leu-Gly-Gly is also an amide and can form stable complexes with basic proteins such as fibrinogen. This peptide also has significant cytotoxicity against polymorphonuclear leucocytes, which may be due to its ability to inhibit polymerase chain activity.

Azido-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. Azido-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.

ACTH (1-24) is a peptide hormone and neurotransmitter that belongs to the corticotropin-releasing factor family. It is also known as corticotropin-releasing hormone, adrenocorticotropic hormone, or CRH. ACTH binds to the ACTH receptor, which activates protein kinase A and cyclic AMP response element binding protein (CREB). Activation of these proteins leads to an increase in the production of cortisol. ACTH can be used as a research tool for studying ion channels and ligands. It can also be used as an antibody in cell biology research.

Lipoamido-dPEG®12-Acid is a PEG molecule conjugated with a lipid moiety. Lipoamido-dPEG®12-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.

2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl fluoride (TATA) is a fluorinated sugar that is used as a building block for the synthesis of peptides and other biochemicals. TATA has been shown to be an inhibitor of bacterial growth in medium containing glycosyl residues. This product has also been shown to have anti-inflammatory properties in animal models.

Lipoamido-dPEG®24-Acid is a PEG molecule conjugated with a lipid moiety. Lipoamido-dPEG®24-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.

Sialylglycopeptide is an oligosaccharide that is present in the cell membrane of human erythrocytes. It has been shown to be a ligand for toll-like receptor 2, which is a pattern recognition receptor (PRR) that recognizes pathogen-associated molecular patterns. This molecule is also involved in the inflammatory response and in some infectious diseases. Sialylglycopeptide reacts with nitrite ions to form nitrosogalactopyranoside, which can lead to oxidative injury of cells such as those from the heart or lung. The sialylglycopeptides are also important for lactation, and their levels increase when pregnant women are exposed to glucocorticoids.

Bis-dPEG®2-Acid is a PEG polymer categorised as homobifunctional PEG (X-PEG X). Used as a linker, bis-dPEG®2-Acid is used to attached PEG to proteins, peptides, oligonucleotides, nanoparticles and small molecules via pegylation, a bioconjugation technique.

Amyloid beta-protein (Aβ) is a peptide that is derived from amyloid precursor protein (APP). Aβ is the main component of amyloid plaques which are found in the brains of people with Alzheimer's disease. It has been shown to be a ligand for LRP1 and LRP2, two receptors involved in the clearance of APP. Amyloid beta-protein (Aβ) is an activator of ion channels in cell membranes and can affect the activity of several types of ion channels, including high-voltage activated potassium channels and low-voltage activated calcium channels.

Ac-Trp-Glu-His-Asp-AMC is a peptide that can be used as a research tool in cell biology and pharmacology. Ac-Trp-Glu-His-Asp-AMC has been shown to inhibit ion channels, which are proteins that control the flow of ions across the cell membrane. It binds to specific receptor sites on the outside of cells, which causes conformational changes in the ion channel that prevent it from opening. Ac-Trp-Glu-His-Asp AMC has been shown to increase the intracellular concentration of calcium ions, which is necessary for muscle contraction and other cellular processes.

m-dPEG®24-Azide (Azido-m-dPEG®24) 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®24-Azide (Azido-m-dPEG®24) 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.

Maltose Binding Protein E.coli Recombinant is a maltose binding protein derived from E. coli that can be used as a research tool in pharmacology and cell biology. Maltose Binding Protein E.coli Recombinant is an antibody that binds to the maltose receptor on the surface of cells, which are found on the outer membrane of most bacteria. Maltose Binding Protein E.coli Recombinant is a high-purity recombinant protein with a molecular weight of about 31 kDa, and has been shown to be an activator and inhibitor of ion channels, depending on its concentration. This protein also interacts with various proteins in the cytoplasm and binds to peptides that have been identified as ligands for this receptor.

DNP-Pro-Leu-Gly-Ile-Ala-Gly-Arg-NH₂ is a peptide that belongs to the class of activator. It facilitates the interaction between antibodies and their corresponding antigens, which is important for the immune system. DNP-Pro-Leu-Gly-Ile-Ala-Gly-Arg possesses high purity and can be used as a research tool in Cell Biology, Immunology, and Pharmacology. This peptide has been shown to inhibit the activity of ion channels by binding to them and preventing ions from passing through.

IL-5 is a cytokine that belongs to the group of hematopoietic cytokines. It is an activator of B cells and eosinophils, which are involved in the immune response to infection. IL-5 also stimulates the production of immunoglobulin E (IgE), a type of antibody that plays an important role in allergic reactions. IL-5 has been shown to inhibit ion channels and protein interactions. This molecule is a receptor for a ligand called stem cell factor, which plays an important role in the development and function of white blood cells. The CAS number for IL-5 is 57748-87-6.

Atrial Natriuretic Peptide (ANP) is a hormone that regulates blood pressure and fluid balance. Research has shown that ANP activates the receptor to inhibit the production of cyclic AMP, which is an intracellular second messenger. This process causes the opening of potassium channels, leading to hyperpolarization of the membrane, which decreases the excitability of cells. The ANP Antiserum is used as a research tool for studying the effects of ANP on ion channels and protein interactions in cell biology experiments.

Prolactin Mouse is a cell-based assay that detects apoptosis-inducing factor in the cell culture. Prolactin Mouse is a homogenous, fluorescence-based assay that can be used to study the effects of drugs on cell growth and apoptosis. The protocol involves adding prolactin mouse cells to a 96-well plate, incubating the cells at 37°C for 2 hours, and then adding an agent to induce apoptosis. The cells are then incubated for 24 hours at 37°C with 5% CO2. After this time, the cells are stained with Annexin V and 7AAD antibodies, which bind to phosphatidylserine (PS) on the outer leaflet of the plasma membrane. These antibodies form a complex with PS that can be detected by flow cytometry or microscopy after staining with fluorescent dyes. Prolactin Mouse can also be used for treatments such as endometriosis and mitogen-activated protein kinase

APOA1 MS Calibrator-2 is a New England Peptide that is a member of the apolipoprotein A family. APOA1 MS Calibrator-2 has been used in proteomics research as a control peptide for quantitative analysis of Apo-AI by MALDI TOF MS. It has also been used as an internal standard in mass spectrometry experiments to quantify Apo-AI and other proteins.

A synthetic scorpion toxin consisting of disulfide bonds between Cys3-Cys17, Cys10-Cys21, and Cys16-Cys32. It can be used as an activator of Ca2+ Release Channels/Ryanodine Receptors. It is important to understand the functions of Ryanodine receptors as they mediate Ca2+ release from intracellular reticular stores and this is imperative for signalling processes, namely muscle excitation-contraction coupling. If skeletal and cardiac Ryanodine receptor genes are mutated diseases such as congenital myopathy and metabolic disorders occur. Therefore Imperatoxin A is useful in investigating these diseases. This product is avaiable as a 0.1mg vial.

Peroxiredoxin-2 is a protein that belongs to the peroxidase family of enzymes. It has been shown to be an activator of ion channels, which suggests that it may play a role in cell regulation. Peroxiredoxin-2 has also been shown to bind to peptides and antibodies, with potential therapeutic applications.

TentaGel based resin for protected peptide amides; particle size: 90 µmcapacity: 0.18 - 0.25 mmol/g

Ac-Asp-Met-Gln-Asp-H aldehyde is a synthetic peptide that has been shown to inhibit protein interactions with the extracellular domain of the human insulin receptor. It also has been shown to activate the receptor, which leads to increased intracellular calcium levels and increased insulin secretion. Ac-Asp-Met-Gln-Asp-H aldehyde may be used as a research tool for studying protein interactions or as an antibody labeling agent. It is highly pure and can be used in cell biology and life science laboratories.

MOCA is a small peptide with anti-inflammatory properties that binds to the receptor IL-1R. It has been shown to inhibit sodium currents in neurons by binding to the Na+ channel and preventing the influx of sodium ions, which leads to an inhibition of action potentials. MOCA has also been shown to bind with high affinity to the IL-1R and blocks its activity. This inhibition of IL-1R leads to decreased production of proinflammatory cytokines.
MOCA has not been shown to have any affinity for other receptors or ligands.

A potent vasoconstrictor (Source rat, 110-123) containing disulfide bonds between Cys8-Cys13 and available as a 0.5mg vial.  
Urotensin II is a peptide involved in biological systems such as the nervous, endocrine, cardiovascular and renal and in rats it is primarily found in brainstem and spinal cord motor neurons. Like that of urotensin II-related peptide, urotensin II contains the hexapeptide -CYS-TYR-LYS-TRP-PHE-CYS- known as the core and this is crucial to its biological function.
Urotensin II can also increase the concentration of intercellular calcium through binding to its G protein coupled receptor: urotensin-II receptor which causes the activation of Protein kinase C followed by the activation of Phospholipase C.
UT-II has been shown to have a wide range of physiological effects in rats, including vasoconstriction, modulation of blood pressure, and stimulation of the release of aldosterone and vasopressin.
In addition to its physiological effects, UT-II has also been implicated in the pathogenesis of various cardiovascular and metabolic disorders, including hypertension, heart failure, and diabetes. Inhibition of UT-II signaling has been suggested as a potential therapeutic target for these conditions.