>tr|A0A090J7I1|A0A090J7I1_ECOLX Hydrogenase-4 F-S subunit OS=Escherichia coli GN=hyfA MNRFVVAEPLWCTGCNTCLAACSDVHKTQGLQQHPRLALAKTSTITAPVVCHHCEEAPCL QVCPVNAISQRDDAIQLNESLCIGCKLCAVVCPFGAISASGSRPVNAHAQYVFQAEGSLK DGEENAPTQHALLRWEPGVQTVAVKCDLCDFLPEGPACVRACPNQALRLITGDSLQRQMK EKQRLAASWFANGGEDPLSLTQEQR