|Application ||WB, IF|
|Calculated MW||183165 Da|
|Other Names||DNA (cytosine-5)-methyltransferase 1, Dnmt1, CXXC-type zinc finger protein 9, DNA methyltransferase HsaI, DNA MTase HsaI, MHsaI, MCMT, DNMT1, AIM, CXXC9, DNMT|
|Target/Specificity||A synthetic peptide corresponding to residues at the C-terminus of human Dnmt1 was used as an immunogen.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||Dnmt1 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Synonyms||AIM, CXXC9, DNMT|
|Function||Methylates CpG residues. Preferentially methylates hemimethylated DNA. Associates with DNA replication sites in S phase maintaining the methylation pattern in the newly synthesized strand, that is essential for epigenetic inheritance. Associates with chromatin during G2 and M phases to maintain DNA methylation independently of replication. It is responsible for maintaining methylation patterns established in development. DNA methylation is coordinated with methylation of histones. Mediates transcriptional repression by direct binding to HDAC2. In association with DNMT3B and via the recruitment of CTCFL/BORIS, involved in activation of BAG1 gene expression by modulating dimethylation of promoter histone H3 at H3K4 and H3K9. Probably forms a corepressor complex required for activated KRAS-mediated promoter hypermethylation and transcriptional silencing of tumor suppressor genes (TSGs) or other tumor-related genes in colorectal cancer (CRC) cells (PubMed:24623306). Also required to maintain a transcriptionally repressive state of genes in undifferentiated embryonic stem cells (ESCs) (PubMed:24623306). Associates at promoter regions of tumor suppressor genes (TSGs) leading to their gene silencing (PubMed:24623306). Promotes tumor growth (PubMed:24623306).|
|Tissue Location||Ubiquitous; highly expressed in fetal tissues, heart, kidney, placenta, peripheral blood mononuclear cells, and expressed at lower levels in spleen, lung, brain, small intestine, colon, liver, and skeletal muscle. Isoform 2 is less expressed than isoform 1.|
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Provided below are standard protocols that you may find useful for product applications.
Dnmt1 is one of three families of enzymes (Dnmt1, Dnmt2, Dnmt3 (a and b)) that have a role in the establishment and regulation of tissue-specific patterns of methylated cytosine residues. Abnormal methylation patterns are associated with certain human tumors and developmental abnormalities (1). Dnmt1 is responsible for maintenance of the DNA methylation pattern after DNA replication. Dnmt1 is a large protein and can be subdivided into an N- and a C-terminal part. The C-terminal domain harbours the catalytic center. The N-terminal part of the enzyme comprises several individual domains, and plays a role in intracellular targeting and regulation of the enzyme?s activity. Dnmt1 shows a preference for hemimethylated CG sites and the specificity of Dnmt1 for hemimethylated target sites is a key property for that function (2).
1. NCBI Reference Sequence (RefSeq): a curated non- redundant sequence database of genomes, transcripts and proteins Pruitt KD, Tatusova, T, Maglott DR Nucleic Acids Res 2007 Jan 1;35(Database issue):D61-5 2. Jeltsch A., et al. Epigenetics 1(2):63-6, 2006
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