>3ktb_C mol:protein length:106 Arsenical resistance operon trans-acting repressorSNAMKKIEIFDPAMCCPTGLCGTNINPELMRIAVVIESLKKQGIIVTRHNLRDEPQVYVSNKTVNDFLQKHGADALPITLVDGEIAVSQTYPTTKQMSEWTGVNLD