>sp|B3DQB4|LEXA_BIFLD LexA repressor OS=Bifidobacterium longum GN=lexA MSTIPFSPKQKPDESTLTDRQRKVLDAIRTHIDEQGFAPSFREIGNAAGLKSPSSVKHQL QVLEDKGFIRMNANKGRAIEVVAGSAPNAEKPSQASEEATSTSNVAEIYQFPAEAIAESH DVPLVGRIAAGVPITAEQHVDDVMRLPERLTGSGTLFMLEVHGDSMVDAAICDGDYVVVR EQNSAVNGDIVAALLDDEATVKTFRKENGHVWLMPHNPAYSPIDGTHATIMGKVVTVLRK L