RNA cleavage (UMP)[c]: H2O + UpUp ⇒ H + (2) UMP
DNA primer polymerization (UTP)[c]: UMP + UTP ⇒ PPI + UpUp
RNA cleavage (UMP)[c]: GTP + (2) H2O + UpUp ⇒ GDP + (2) H + PI + (2) UMP
RNA cleavage (UMP)[c]: ATP + (2) H2O + UpUp ⇒ ADP + (2) H + PI + (2) UMP
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RNA polymerization (UTP)[c]: UMP + UTP ⇒ PPI + UpUp