>6tk9_B mol:protein length:271 Purine nucleoside phosphorylaseELYDKIQEAVAYVRSKTDFVPEVGLVLGSGLGPLADEVEKVAEIPYGEIPHFPVSTAPGHAGRLVLGRLEGKPVLVYKGRVHYYEGYSAEEVVFPVRVGFFLGARTFLLTSAAGGLNPRFRAGGIMLHLDYINFAGANPLRGPNDERLGPRFPVMFEAYDPELIELARKVARRQDLHLFEGVYAWFMGPSFASRAELRLLRELGADAIGMSTVPEVIALRHLGARVLGLSTITDMAVPEREHHATEEEVLRVAAETGPVFRRYVRGILAEL