Peptídeos

Peptide H-KISQTAQTYDPR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.

Peptide H-AVFVDLEPTVIDEVR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.

Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool

Peptide LCBiot-MPVDPDNEAYEMPSEEGYQDYEPEA-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.

Peptide H-VYPWTQR-NTPEGBiot is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.

Custom research peptide; min purity 95%. For different specs please use the Peptide Quote Tool

Peptide H-REEE-NH2 is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.

Peptide H-GTGGANIDPTFFLSR^-OH is a Research Peptide with significant interest within the field academic and medical research. This peptide is available for purchase at Cymit Quimica in multiple sizes and with a specification of your choice.

Histone 3 (H3) is one of the four core histones (H2A, H2B, H3 and H4) fundamental in compacting eukaryotic DNA into the nucleosome. The nucleosome arises when 147 base pairs of DNA wrap around a H3-H4 tetramer and two H2A-H2B dimers, forming the histone octamer core. Both H4 and H3 are highly conserved and perform roles in binding to segments of DNA which enter and leave the nucleosome and in chromatin formation. Similar to the other core histone, H3 has a globular domain and a flexible N-terminal domain, 'histone tail' which can undergo modifications such as acetylation, methylation, phosphorylation and ubiquitination. The transcriptional activation or silencing of the chromatin is controlled by ATP-dependent chromatin remodelling factors and histone modifying enzymes which target histone proteins. Both processes function to alter the positioning of the nucleosome, allowing the DNA it to be either available or inaccessible to the transcription machinery.The lysine at position 4 of this peptide has been tri-methylated and it is implicated in studies that this modification may remodel the chromatin so that it is more accessible to transcription factors, which may ultimately increase the level of gene expression. The lysine at position 9 has been acetylated, which neutralizes the positive charge on the amino acid, loosening the chromatin structure. This alteration to the accessibility of chromatin promotes the initiation of transcription. Moreover, the serine at position 10 has been phosphorylated, and studies have suggested that this may induce chromatin condensation, and subsequently repress transcription and gene expression.

Please enquire for more information about Mca-Tyr-Val-Ala-Asp-Ala-Pro-Lys(Dnp)-OH trifluoroacetate including the price, delivery time and more detailed product information at the technical inquiry form on this page

Octreotide is a synthetic somatostatin analogue used for the treatment of acromegaly and neuroendocrine tumours. In clinical settings, Octreotide is used for the treatment of vasoactive intestinal peptide-secreting tumours, growth hormone producing tumours, and pituitary tumours. Octreotide also displays efficacy in the treatment of cluster headaches, acute haemorrhage from liver cirrhosis, malignant bowel obstruction, and idiopathic intracranial hypertension. Octreotide exerts its organ protective effects through several mechanisms, including its ability to decrease the levels of endotoxin and the proinflammatory cytokines TNF-alpha and IL-1β, and by inhibiting hepatocellular apoptosis. Octreotide also exerts a protective effect in hepatic ischemia-reperfusion (HIR) injury, which often occurs after complex liver surgeries such as major resection or transplantation.

PTD-4 cell penetrating peptide labelled at the N-terminus with an alkyne attachment for ease of reaction with an opposite Click reactive partner (azide).

Histone 4 (H4) is one of the four core histones (H2A, H2B, H3 and H4) which are essential for compacting eukaryotic DNA into the nucleosome. Due to the high lysine and arginine content, histones have a net positive charge and therefore electrostatically interact with negatively charged DNA. The nucleosome arises when 147 base pairs of DNA wrap around a H3-H4 tetramer and two H2A-H2B dimers, forming the histone octamer core. Like other core histones, H4 has a globular domain and a flexible N-terminal domain, the histone tail, which can undergo modifications such as acetylation, methylation, phosphorylation and ubiquitination.Gene transcriptional activation or inactivation is controlled by ATP-dependent chromatin remodelling factors and histone modifying enzymes. Both processes function to alter the positioning of the nucleosome, allowing the DNA within to be either accessible to the transcription machinery or inaccessible. H4's lysine rich tail plays a role in the higher order chromatin folding.