>3iex_B mol:protein length:287 Purine-nucleoside phosphorylaseMHESVTANIENVKKVAHHIQKLTSIVPEIGIICGSGLGKLADGVKDKITIPYTKIPNFPQTSVVGHSGNLIFGTLSGRKVVVMQGRFHMYEGYSNDTVALPIRVMKLLGVKILMVSNAAGGLNRSLKLGDFVILKDHIYLPGLGLNNILVGPNQEAFGTRFPALSNAYDRDLRKLAVQVAEENGFGNLVHQGVYVMNGGPCYETPAECTMLLNMGCDVVGMSTIPEVVIARHCGIQVFAVSLVTNISVLDVESDLKPNHEEVLATGAQRAELMQSWFEKIIEKLPKD