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