583 srrB SRRB_STAAU Staphylococcal respiratory response protein B MMSRLNSVVIKLWLTIILIVTTVLILLSIALITFMQYYFTQETENAIREDARRISSLVEQSHNKEEAIKYSQTLIENPGGLMIINNKHRQSTASLSNIKKQMLNEVVNNDHFDDVFDKGKSVTRNVTIKEKGSSQTYILLGYPTKAQKNSHSKYSGVFIYKDLKSIEDTNNAITIITIITAVIFLTITTVFAFFLSSRITKPLRRLRDQATRVSEGDYSYKPSVTTKDEIGQLSQAFNQMSTEIEEHVDALSTSKNIRDSLINSMVEGVLGINESRQIILSNKMANDIMDNIDEDAKAFLLRQIEDTFKSKQTEMRDLEMNTRFFVVTTSYIDKIEQGGKSGVVVTVRDMTNEHNLDQMKKDFIANVSHELRTPISLLQGYTESIVDGIVTEPDEIKESLAIVLDESKRLNRLVNELLNVARMDAEGLSVNKEVQPIAALLDKMKIKYRQQADDLGLNMTFNYCKKRVWSYDMDRMDQVLTNLIDNASRYTKPGDEIAITCDENESEDILYIKDTGTGIAPEHLQQVFDRFYKVDAARTRGKQGTGLGLFICKMIIEEHGGSIDVKSELGKGTTFIIKLPKPE Sensor protein srrB Member of the two-component regulatory system srrA/srrB, which is involved in the global regulation of staphylococcal virulence factors in response to environmental oxygen levels. Probably phosphorylates srrA.