Summary

Name TFB2M
Full Name Dimethyladenosine transferase 2, mitochondrial
Synonyms Hepatitis C virus NS5A-transactivated protein 5, HCV NS5A-transactivated protein 5, Mitochondrial 12S rRNA dimethylase 2, Mitochondrial transcription factor B2, h-mtTFB, h-mtTFB2, hTFB2M, mtTFB2, S-adenosylmethionine-6-N', N'-adenosyl(rRNA) dimethyltransferase 2 | NS5ATP5
Primary ID Q9H5Q4
Links - -
Type protein
Relations 4
Function S-adenosyl-L-methionine-dependent rRNA methyltransferase which may methylate two specific adjacent adenosines in the loop of a conserved hairpin near the 3'-end of 12S mitochondrial rRNA (Probable). Component of the mitochondrial transcription initiation complex, composed at least of TFB2M, TFAM and POLRMT that is required for basal transcription of mitochondrial DNA (PubMed:29149603, PubMed:12068295, PubMed:20410300, PubMed:15526033). In this complex, TFAM recruits POLRMT to a specific promoter whereas TFB2M induces structural changes in POLRMT to enable promoter opening and trapping of the DNA non-template strand (PubMed:29149603, PubMed:15526033). Stimulates transcription independently of the methyltransferase activity (PubMed:12897151).

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Relations

Regulator Mechanism target score
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TFB2M 0.254
Publications: 2 Organism: Homo Sapiens
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation TFB2M 0.539
Publications: 2 Organism: Homo Sapiens