>6tk9_E mol:protein length:271 Purine nucleoside phosphorylaseELYDKIQEAVAYVRSKTDFVPEVGLVLGSGLGPLADEVEKVAEIPYGEIPHFPVSTAPGHAGRLVLGRLEGKPVLVYKGRVHYYEGYSAEEVVFPVRVGFFLGARTFLLTSAAGGLNPRFRAGGIMLHLDYINFAGANPLRGPNDERLGPRFPVMFEAYDPELIELARKVARRQDLHLFEGVYAWFMGPSFASRAELRLLRELGADAIGMSTVPEVIALRHLGARVLGLSTITDMAVPEREHHATEEEVLRVAAETGPVFRRYVRGILAEL