>1zps_B mol:protein length:138 Phosphoribosyl-AMP cyclohydrolaseMIKSKGDVNILLNFRHNINGEDLIIAVAQDHETGEVLMVAYMNREALRRTLETGTAHYWSTSRGKLWLKGESSGHVQRVKDVLVDCDGDAVVLKVEQEGGACHTGYRSCFYRSIDGDELKVREDAVKVFDPEEIYGDG