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Immunogen sequence: PELAKYWAQR YRLFSRFDDG IKLDREGWFS VTPEKIAEHI AGRVSQSFKC DVVVDAFCGV GGNTIQFALT GMRVIAIDID PVKIALARNN AE
Catalyzes the 2 serial methylation steps for the conversion of the 7-monomethylguanosine (m(7)G) caps of snRNAs and snoRNAs to a 2,2,7-trimethylguanosine (m(2,2,7)G) cap structure. The enzyme is specific for guanine, and N7 methylation must precede N2 methylation. Hypermethylation of the m7G cap of U snRNAs leads to their concentration in nuclear foci, their colocalization with coilin and the formation of canonical Cajal bodies (CBs). Plays a role in transcriptional regulation. [UniProt]
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: Cap-specific guanine-N(2) methyltransferase; cap-specific guanine-N2 methyltransferase; CLL-associated antigen KW-2; Hepatocellular carcinoma-associated antigen 137; nuclear receptor coactivator 6 interacting protein; Nuclear receptor coactivator 6-interacting protein; PIMT; PRIP-interacting protein with methyltransferase motif; Trimethylguanosine synthase
Gene Aliases: HCA137; NCOA6IP; PIMT; PIPMT; TGS1
UniProt ID: (Human) Q96RS0
Entrez Gene ID: (Human) 96764
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