>2NS7_1|Chains A, B, C, D|Tetracycline repressor protein|Escherichia coli (83333) MSRLDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAIEMLDRHHTHFSPLEGESWQDFLRNNAKSFRNALLSHRDGAKVHLGTRPTEKQYETLENQLAFLTQQGFSLENALYALSAVGHFTLGSVLEDQEHQVAKEERETPTTDSMPPLLRQAIELFDHQGAEPAFLHGLESLIRGFEVQLTALLQIV