ENTRY       EC 2.1.1.56
NAME        mRNA (guanine-N7-)-methyltransferase
CLASS       Transferases
            Transferring one-carbon groups
            Methyltransferases
SYSNAME     S-Adenosyl-L-methionine:mRNA (guanine-N7-)-methyltransferase
REACTION    S-Adenosyl-L-methionine + G(5')pppR-RNA =
            S-Adenosyl-L-homocysteine +
            m7G(5')pppR-RNA (mRNA containing an N7-methylguanine cap)
SUBSTRATE   S-Adenosyl-L-methionine
            G(5')pppR-RNA
PRODUCT     S-Adenosyl-L-homocysteine
            m7G(5')pppR-RNA (mRNA containing an N7-methylguanine cap)
COMMENT     R may be guanosine or adenosine.
DBLINKS     University of Geneva ENZYME DATA BANK: 2.1.1.56
            WIT (What Is There) Metabolic Reconstruction: 2.1.1.56
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