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2.1.1.375: NNS virus cap methyltransferase

This is an abbreviated version!
For detailed information about NNS virus cap methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.375

Reaction

2 S-adenosyl-L-methionine +

G(5')pppAACA-[mRNA]
= 2 S-adenosyl-L-homocysteine +
m7G(5')pppAmACA-[mRNA]

Synonyms

RNA-directed RNA polymerase L, VSV L

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.375 NNS virus cap methyltransferase

Systematic Name

Systematic Name on EC 2.1.1.375 - NNS virus cap methyltransferase

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SYSTEMATIC NAME
IUBMB Comments
S-adenosyl-L-methionine:G(5')pppAACA-[mRNA] N7,2'-O-methyltransferase
The enzyme from non-segmented negative strain (NNS) viruses (e.g. rhabdoviruses) catalyses two successive methylations. In higher eukaryotes the two methylations occur in the reverse order and are catalysed by two different enzymes (cf. EC 2.1.1.56, mRNA (guanine-N7)-methyltransferase, and EC 2.1.1.57, methyltransferase cap1) that do not required a specific motif.