>1xfa_B mol:protein length:283 Cystic fibrosis transmembrane conductance regulatorSTTGIIMENVTAFWEEGFGELLEKVQQSNGDRKHSSDENNVSFSHLCLVGNPVLKNINLNIEKGEMLAITGSTGSGKTSLLMLILGELEASEGIIKHSGRVSFCSQFSWIMPGTIKENIIRGVSYDEYRYKSVVKACQLQQDITKFAEQDNTVLGEGGVTLSGGQRARISLARAVYKDADLYLLDSPFGYLDVFTEEQVFESCVCKLMANKTRILVTSKMEHLRKADKILILHQGSSYFYGTFSELQSLRPDFSSKLMGYDTFDQFTEERRSSILTETLRRFS