>4txn_B mol:protein length:296 Uridine phosphorylaseMATVQPIVNSHLSELDEDVFHHFGFTTKSFDFKEKFGDVKFVCVCGSSGRIHNFAISMAKLAGLALPVENIAGSHARFVLYKVDHILFADHGMGIPSALIMLHEVTKLLHYAGCKDVLFIRLGTSGGLGVKPGTIVLSDRCVNTKLEPYNELCILGKPVRRQTIVDLNTVNELKKLSENLSLECSVVVGGTIAANDFYEEQGRLDGSICTFSKEEKLAFLQSAYEHGIRNMEMEGTAITSHCYLTGHRAILVCVTAVNRLEGDQITISTDEFTLFAQRPGQLVGEYLKRNNGIIVR