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DNMT1 Rabbit anti-Human, Rat, Polyclonal, Invitrogen™

Rabbit Polyclonal Antibody

Manufacturer:  Invitrogen PA1880

Catalog No. PA1880

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PA1-880 detects DNA methyltransferase 1 (Dmnt1) from HeLa cell nuclear extracts. PA1-880 has been successfully used in Western blot procedures. By Western blot, this antibody detects an ~180 kDa protein representing Dnmt1 from HeLa cell nuclear extract. A doublet between 40 and 45 kDa is also seen on Western blots using this antibody. The PA1-880 immunogen is a synthetic peptide corresponding to residues A(171) K G P A K R K P Q E E S E(185) of human Dnmt1. PA1-880 immunizing peptide (Cat. No. PEP-136) is available for use in neutralization and control experiments.

DNA methyltransferases (Dnmts) methylate the 5-position of cytosine in the context of CpG dinucleotides. DNA methylation is crucial for normal embryonic development, genetic imprinting, and X-chromosome inactivation. Hypermethylation of DNA has been implicated in tumorigenesis through improper methylation of growth regulatory gene promoter regions. There exist three isoforms of Dnmts, Dnmt1, 2 and 3. Dnmt1 is believed to perform most of the maintece and de novo methylation activities that occur in somatic cells of mammals. Studies have shown that Dnmt1 can establish repression of transcription complexes consisting of Dnmt1, histone deacetylase 2 (HDAC2), and DNA methyltransferase 1 associated protein (DMAP1). Therefore, in addition to DNA methylation maintece, Dnmt1 is thought to directly target transcriptionally repressive chromatin to the genome during S-phase DNA replication.


Synthetic peptide corresponding to residues A(171) K G P A K R K P Q E E S E(185) of human Dnmt1.
Antigen affinity chromatography
Human, Rat
Immunocytochemistry, Immunofluorescence, Western Blot
1 mg/mL
PBS with 1mg/mL BSA and 0.05% sodium azide
P26358, Q9Z330
100 μg
-20° C, Avoid Freeze/Thaw Cycles
1786, 84350
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