>9NT3_1|Chains A, B, C, D|Ancestral LacI Transcription Factor|Escherichia coli (562)
MRRSHTIGVVTTGLSFYGPSQILVGIERAAREHGYSLLLATVHEDPDEVEEAINTLRERRVDGIIIVAPHNSEEEAQLAQEAGVPPVVFLSAQPPGVPTVSVDQYAGARLATEHLLDLGHRRIALITGPQDWLEARERLQGWREALAEAGLPPPAVLQGDWSAASGYEAARQLLEQPDFTAIFAANDQMALGVLRALHERGLRVPDDVSVVGFDDIPESAYFHPPLTTVRQDFEELGRQAVEQLLEMIEGEEPPPPAVLPPELIVRESTAPPENLYFQGL