>sp|P68646|FIXX_ECOLI Ferredoxin-like protein FixX OS=Escherichia coli GN=fixX MTSPVNVDVKLGVNKFNVDEEHPHIVVKADADKQALELLVKACPAGLYKKQDDGSVRFDY AGCLECGTCRILGLGSALEQWEYPRGTFGVEFRYG