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