1274549 Rfer_4161 COG1414 1274548 Rfer_4160 COG834 (HisJ) 1274547 Rfer_4159 COG765 (HisM) 1274546 Rfer_4158 COG1126 (GlnQ) 1274545 Rfer_4157 hutC 1274544 Rfer_4156 hutD 1274543 Rfer_4155 hutG 1274542 Rfer_4154 hutF