>3fk7_B mol:protein length:208 Tetracycline repressor protein class B from transposon Tn10, Tetracycline repressor protein class D MSRLDKSKVINSALELLNEVGIEGLTTRKLAQKLGVEQPTLYWHVKNKRALLDALAVEI LARHKDYSLPAAGESWQSFLRNNAMSFRRALLRYRDGAKVHLGTRPDEKQYDTVETQLR FMTENGFSLRDGLYAILAVIHFTLGAVLEQQEHTAALTDRPAAPDENLPPLLREALQIM DSDDGEQAFLHGLESLIRGFEVQLTALLQIV