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| Adenine Phosphoribosyltransferase AMP Pyrophosphorylase | Transphosphoribosidase | APRTase | Phosphoribosyltransferase, Adenine | Pyrophosphorylase, AMP An enzyme catalyzing the formation of AMP from adenine and phosphoribosylpyrophosphate. It can act as a salvage enzyme for recycling of adenine into nucleic acids. EC 2.4.2.7. |