>6BAY_1|Chains A, B, C|Photoreceptor-histidine kinase BphP|Stigmatella aurantiaca DW4/3-1 (378806) MSTEASRSGKQEVDLTNCDREPIHIPGAIQPHGVLLVLSEPGLVLTHASENAPAVLGNSAEQLLGAPLGHFIEPSVREPLEADLRSARLKQLNPLKVVWRVDGVDRFFDGIAHRHQGRLILELEPSSHREAVPFLSFFHAVRDGLSRLRDARDLQELCEAVVQEVRGLTGFDRAIIYRFDAEWNGSVIAEARDARADPYLGLHFPASDIPRQARELYQLNWLRIIPTIDYQPARVRALPGHGEPLDLSFSVLRSVSPIHLEYLHNMGVQASMSISLMKDGKLWGLISCHQVSGTRYVPYEVRTACEFLGEVMSSLLAAKEGNEDYDQRIRAKSIHAALLERMAREVDFVSGLASQESGLLELVHAHGAAIHFHGRTTVLGQAPSDEALTGLIEWLGSRTGEGVFCTDRLAREYPEAQAFQEVAAGLMAFSMSRGRNNFVLWFRPEAVQTVNWSGNPTKAVEFDQGGPRLHPRKSFELWKETVRGRCLPWKAYEVEAASELRRSIIDVALQRSEEL