mRNA (guanine-N7-)-methyltransferase activity (Q21119976)
Catalysis of the reaction: S-adenosyl-L-methionine + G(5')pppR-RNA = S-adenosyl-L-homocysteine + m7G(5')pppR-RNA. m7G(5')pppR-RNA is mRNA containing an N7-methylguanine cap; R may be guanosine or adenosine.
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aliases GO:0004482
messenger RNA guanine 7-methyltransferase activity
messenger ribonucleate guanine 7-methyltransferase activity
S-adenosyl-L-methionine:mRNA (guanine-7-N-)-methyltransferase activity
guanine-7-methyltransferase activity
S-adenosyl-L-methionine:mRNA (guanine-N7-)-methyltransferase activity
description Catalysis of the reaction: S-adenosyl-L-methionine + G(5')pppR-RNA = S-adenosyl-L-homocysteine + m7G(5')pppR-RNA. m7G(5')pppR-RNA is mRNA containing an N7-methylguanine cap; R may be guanosine or adenosine.

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