>9DT5_1|Chains A, B, C, D|Sulfonylurea repressor CsR (L4.2-20)|Escherichia coli (562) MARLDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMHDRHQTHYLPLEGESWQDFLRNFAKSMRLALLSHRDGAKVSLGTRWTEQQYETAENMLAFLTQQGFSLENALYATDAVRVFTLGAVLLDQEQQVAKEERETPTPDSMPPLLRQAWELKVHQGAEPAFLFGLELIIAGLEKQLKRESGS