>2hkx_B mol:protein length:221 Carbon monoxide oxidation system transcription regulator CooA-1MATQMRLTDTNLLEVLNSEEYSGVLKEFREQRYSKKAILYTPNTERNLVFLVKSGRVRVYLAYEDKEFTLAILEAGDIFCTHTRAFIQAMEDTTILYTDIRNFQNIVVEFPAFSLNMVKVLGDLLKLLLTIINGLVFKDARLRLAEFLVQAAMDTGLKVPQGIKLELGLNTEEIALMLGTTRQTVSVLLNDFKKMGILERVNQRTLLLKDLQKLKEFSSGV