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mRNA Guanylyltransferases MeSH Descriptor Data 2026
Enzymes that catalyze the transfer of GMP residue from GTP to 5' end of RNA to form a cap structure identified as G(5')pppN. They can also modify synthetic poly(A) & poly(G) to form m7G(5')pppAn & m7G(5')pppGn.
Entry Term(s)
GTP mRNA Guanylyltransferase
RNA Guanylyltransferase
m-RNA Guanylyltransferase
mRNA 5'-guanylyltransferase
mRNA Capping Enzyme
mRNA Guanylyltransferase
Registry Numbers
EC 2.7.7.50
Public MeSH Note
2025; see mRNA GUANYLYLTRANSFERASE 1976-2025; mRNA GUANYLYLTRANSFERASE was indexed under NUCLEOTIDYLTRANSFERASES 1981-2025; RNA, MESSENGER and GUANINE NUCLEOTIDES 1976-1981
History Note
2025 (1976); was mRNA GUANYLYLTRANSFERASE 1976-2025
Enzymes that catalyze the transfer of GMP residue from GTP to 5' end of RNA to form a cap structure identified as G(5')pppN. They can also modify synthetic poly(A) & poly(G) to form m7G(5')pppAn & m7G(5')pppGn.