>4ycd_A mol:protein length:183 N5-carboxyaminoimidazole ribonucleotide mutaseMMSETAPLPSASSALEDKAASAPVVGIIMGSQSDFETMRHADALLTELEIPHETLIVSAHRTPDRLADYARTAAERGLNVIIAGAGGAAHLPGMCAAWTRLPVLGVPVESRALKGMDSLLSIVQMPGGVPVGTLAIGASGAKNAALLAASILALFNPALAARLETFRALQTASVPNSPITEDK