Home  >  Products  >  DNA Methyltransferase 1, Control Peptide, Human (DNMT1, DNMT, AIM, CXXC-type Zinc Finger Protein 9, CXXC9, DNA (Cytosine-5-)-methyltransferase 1, DNA MTase HsaI, FLJ16293, MCMT, M.HsaI, MGC104992)
DNA Methyltransferase 1, Control Peptide, Human (DNMT1, DNMT, AIM, CXXC-type Zinc Finger Protein 9, CXXC9, DNA (Cytosine-5-)-methyltransferase 1, DNA MTase HsaI, FLJ16293, MCMT, M.HsaI, MGC104992)

DNA Methyltransferase 1, Control Peptide, Human (DNMT1, DNMT, AIM, CXXC-type Zinc Finger Protein 9, CXXC9, DNA (Cytosine-5-)-methyltransferase 1, DNA MTase HsaI, FLJ16293, MCMT, M.HsaI, MGC104992)

Cat no: D3931-61S

Supplier: United States Biological
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Methylation of DNA at cytosine residues plays an important role in regulation of gene expression, genomic imprinting and is essential for mammalian development. Hypermethylation of CpG islands in tumor suppressor genes or hypomethylation of bulk genomic DNA may be linked with development of cancer. To date, 3 families of mammalian DNA methyltransferase genes have been identified which include Dnmt1, Dnmt2 and Dnmt3. Dnmt1 is constitutively expressed in proliferating cells and inactivation of this gene causes global demethylation of genomic DNA and embryonic lethality. Dnmt2 is expressed at low levels in adult tissues and its inactivation does not affect DNA methylation or maintenance of methylation. The Dnmt3 family members, Dnmt3a and Dnmt3b, are strongly expressed in ES cells but their expression is down regulated in differentiating ES cells and is low in adult somatic tissue. Dnmt1 co-purifies with the retinoblastoma (Rb) tumor suppressor gene product, E2F1, and HDAC1. Dnmt1 also cooperates with Rb to repress transcription from promoters containing E2F-binding sites suggesting a link between DNA methylation, histone deacetylase and sequence-specific DNA binding activity, as well as a growth-regulatory pathway that is disrupted in nearly all cancer cells (1-6). Applications: Suitable for use in Western Blot, Immunoprecipitation and Immunohistochemistry. Other applications not tested. Recommended Dilution: Western Blot:2-4ug/ml Immunohistochemistry:1-2ug/ml IOptimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Catalogue number: D3931-61S
Reactivities: Human, Mouse, Zebrafish/Fish
Hosts: Mouse
Applications: Immunohistochemistry, Immunoprecipitation, Western Blot
Size: 100ug
Form: Supplied as a liquid in PBS containing 0.05% BSA and 0.05% sodium azide.
P type: Mab
Isotype: IgG1,k
Purity: Purified by Protein G affinity chromatography.
References: 1. Bestor T., et al.(1988) J.Mol. Biol. 203: 971-983. 2. Yen R.W., Vertino P.M., Nelkin B.D. et al. (1992) Nucl. Acids Res. 20: 2287-2291. . Xie S. et al. (1999) Gene 236: 87-95. 4. Okano M., Bell D.W., Haber D.A. and Li E. (1999) Cell 99:247-257. 5. Reik W. et al. (1999) J. Nat. Genet 23: 380-382. 6. Robertson K.D., et al. (2000) Nat Genet 25(3):338-342.
Additional info: Recognizes DNMT1. Species Crossreactivity: human, zebrafish.

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