>gnl|mdb|bmrb4857:1 Histidine-containing phosphotransfer domain of E. coli anaerobic sensor kinase ArcB TTEENSKSEALLDIPMLEQYLELVGPKLITDGLAVFEKMMPGYVSVLESNLTAQDKKGIVEEGHKIKGAAGSVGLRHLQQ LGQQIQSPDLPAWEDNVGEWIEEMKEEWRHDVEVLKAWVAKATKK