>4zmb_A mol:protein length:183 N5-carboxyaminoimidazole ribonucleotide mutaseMMSETAPLPSASSALEDKAASAPVVGIIMGSQSDWETMRHADALLTELEIPHETLIVVAHRTPDRLADYARTAAERGLNVIIAGAGGAAHLPGMCAAWTRLPVLGVPVESRALKGMDSLLSIVQMPGGVPVGTLAIGASGAKNAALLAASILALFNPALAARLETWRALQTASVPNSPITEDK