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