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Product last modified at: 2025-02-07T08:01:08.851Z
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PDP - Template Name: Antibody Sampler Kit
PDP - Template ID: *******4a3ef3a

Lysine Methyltransferase Antibody Sampler Kit #8694

    Product Information

    Product Description

    The Lysine Methyltransferase Antibody Sampler Kit provides a fast and economical means to evaluate endogenous levels of lysine methyltransferases. The kit contains enough primary antibody to perform two western blot experiments per primary antibody.

    Background

    SET domain-containing proteins are potential histone methyltransferases (HMTases), which are classified into subgroups by their putative substrate specificities. Histone H3 Lys9 (H3-K9) methyltransferase group genes include Suv39h1, Suv39h2, G9a, G9a related protein (GLP) and SETDB1/ESET (1). The H3-K9 methylation mark plays an important role as a binding site for the chromo-containing protein, resulting in chromatin compaction and heterochromatin generation (2). Histone H3-K4 methylation is exclusively associated with actively transcribed genes (2). The first H3-K4 methylase complex, COMPASS, was identified in the yeast S. cerevisiae and consists of Set1/KMT2 and seven other polypeptides, Cps60-Cps15 (2). Set1/KMT2 functions within COMPASS and is capable of mono-, di-, and trimethylating H3-K4 (2). There are several Set1 related proteins in mammals including WDR5, RBBP5, ASH2L, CXXC1, and DPY30 (2,3). SET7/SET9 is a member of the SET domain-containing family that can specifically methylate H3-K4, Lys189 of the TAF10, a member of the TFIID transcription factor complex, and Lys372 of the p53 tumor suppressor protein (4-6). SET domain-containing lysine methyltransferase 8 (SET8), also known as PR/SET domain-containing protein 7 (PR/SET7), is a single-subunit enzyme that mono-methylates histone H4-K20, preferably on nucleosomal substrates (7-9). SET and MYND domain-containing protein 2 (SMYD2), also known as lysine methyltransferase protein 3C (KMT3C), functions to repress transcription by interacting with the Sin3A repressor complex and methylating H3-K36 (10). SMYD2 also methylates H3-K4 through interaction with HSP90α, and methylates p53 at Lys370 to repress p53-mediated transcriptional activation and apoptosis (11,12).
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