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C5-cytosine DNA methyltransferase-2; tRNA (cytosine-5-)-methyltransferase; DNA (cytosine-5)-methyltransferase-like protein 2; Dnmt2; DNA methyltransferase homolog HsaIIP; DNA MTase homolog HsaIIP; M.HsaIIP; PuMet (TRDMT1, DNMT2)
Function:
- specifically methylates cytosine 38 in the anticodon loop of tRNA(Asp)
S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing 5-methylcytosine
Structure: belongs to the C5-methyltransferase family
Compartment: nucleus (probable)
Alternative splicing:
- named isoforms=6
- additional isoforms seem to exist
Expression:
- ubiquitous
- higher expression in testis, ovary & thymus
- expressed at much lower levels in spleen, prostate, colon, small intestine, & peripheral blood leukocytes
General
DNA (cytosine-5)-methyltransferase
DNA-binding protein
Properties
SIZE: entity length = 391 aa
MW = 45 kD
COMPARTMENT: cell nucleus
MOTIF: cysteine residue {C79}
Database Correlations
OMIM 602478
UniProt O14717
Pfam PF00145
Entrez Gene 1787
Kegg hsa:1787
ENZYME 2.1.1.29
References
UniProt :accession O14717