>4ud2_A mol:protein length:264 HYDROGENASE (NIFE) SMALL SUBUNIT HYDALTAKHRPSVVWLHNAECTGCTEAAIRTIKPYIDALILDTISLDYQETIMAAAGEAAEAALHQALEGKDGYYLVVEGGLPTIDGGQWGMVAGHPMIETTKKAAAKAKGIICIGTCSAYGGVQKAKPNPSQAKGVSEALGVKTINIPGCPPNPINFVGAVVHVLTKGIPDLDENGRPKLFYGELVHDNCPRLPHFEASEFAPSFDSEEAKKGFCLYELGCKGPVTYNNCPKVLFNQVNWPVQAGHPCLGCSEPDFWDTMTPFYEQG