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Keywords from Image Description:
Adenine phosphoribosyltransferase ZN. Ribbon diagram of human adenine phosphoribosyltransferase APRTase dimer in complex with phosphoribosyl pyrophosphate adenine and ribose phosphate Units colored from to Cterminal end one magnesium ion visible in green the other obscured Created using accelrys html Accelrys DS Visualizer Pro