>sp|P0AFT2|TCYL_ECOLI L-cystine transport system permease protein TcyL OS=Escherichia coli GN=tcyL MQESIQLVIDSLPFLLKGAGYTLQLSIGGMFFGLLLGFILALMRLSPIWPVRWLARFYIS IFRGTPLIAQLFMIYYGLPQFGIELDPIPSAMIGLSLNTAAYAAETLRAAISSIDKGQWE AAASIGMTPWQTMRRAILPQAARVALPPLSNSFISLVKDTSLAATIQVPELFRQAQLITS RTLEVFTMYLAASLIYWIMATVLSTLQNHFENQLNRQEREPK