RNA 3′-phosphate cyclase (RtcA) synthesizes RNA 2′,3′ cyclic phosphate ends via three steps: reaction with ATP to form a covalent RtcA-(histidinyl-Nε)-AMP intermediate; transfer of adenylate to an RNA ...
ATP is the main source of energy for most cellular processes. The building blocks of ATP are carbon, nitrogen, hydrogen, oxygen, and phosphorus. Because of the presence of unstable, high-energy bonds ...
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