>2nsj_A mol:protein length:169 Phosphoribosylaminoimidazole carboxylase catalytic subunitMSSRNNPARVAIVMGSKSDWATMQFAAEIFEILNVPHHVEVVSAQRTPDKLFSFAESAEENGYQVIIAGAGGAAHLPGMIAAKTLVPVLGVPVQSAALSGVDSLYSIVQMPRGIPVGTLAIGKAGAANAALLAAQILATHDKELHQRLNDWRKAQTDEVLENPDPRGAA