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MRNA GUANYLYLTRANSFERASE
Catalyses transfer of GMPresidue from GTP to 5' end of RNA to formcap structure identified as g(5')pppn; can alsomodify synthetic poly(a) and poly(g) to form m7g(5')pppan and m7g(5')pppgn; seealsocapping enzyme, vaccinia virus
Registry number: EC 2.7.7.50
Synonym: RNA guanylyltransferase, m-RNA guanylyltransferase, GTPmRNA guanylyltransferase, mRNAcapping enzyme, mRNA 5'-guanylyltransferase, cgt1 gene product, ceg1 gene product