>1vmk_B mol:protein length:277 purine nucleoside phosphorylaseMGSDKIHHHHHHMMKKIEEARTFISERTNLSPDILIILGSGFGPFIEKVEDPVIIDYKDIPHFPQPTVEGHSGKLVFGRISDKPVMIMAGRFHLYEGHDPATVAFPVYLAKYVGVKGVVVTNAAGAINPEFKPGEIILVRDIINFMFRNPLRGPNDEKIGPRFPDMSSVVDPEWARKIQERLSLKEGVYIGVLGPSYETPAEIRVFEKLGADLVGMSTVPEVIAAKHCGLKVVVFSCVTNMAAGITHGRLSHEEVVRTTKMAQGKIEKALTTAVEVF