ENTRY       EC 2.7.7.25
NAME        tRNA adenylyltransferase
            tRNA CCA-pyrophosphorylase
CLASS       Transferases
            Transferring phosphorus-containing groups
            Nucleotidyltransferases
SYSNAME     ATP:tRNA adenylyltansferase
REACTION    ATP + tRNA(n) = Pyrophosphate + tRNA(n+1)
SUBSTRATE   ATP
            tRNA(n)
PRODUCT     Pyrophosphate
            tRNA(n+1)
COMMENT     May be identical with EC 2.7.7.21 (tRNA cytidylyltransferase)
GENES       ECO: b3056(cca)
            HIN: HI1606(cca)
            SCE: YER168C(CCA1)
DBLINKS     University of Geneva ENZYME DATA BANK: 2.7.7.25
            WIT (What Is There) Metabolic Reconstruction: 2.7.7.25
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