>sp|Q8PU60|FPOI_METMA F(420)H(2) dehydrogenase subunit I OS=Methanosarcina mazei GN=fpoI MGCPEVQDRPGSGYELEETPAPVPVEPCLGSRPWTLSGGLSMVLKNIKYALKNIPKERVT RLCPEVESPLSERFRGLQTLDKSKCIGCGICANTCPNSAIKIVKAPIAPGSEKKRWFPQI DIGHCLFCGLCIDQCPKGALSSGKEYCKGMVKWAHKDLLMTPEKLAREVDIQEGDER