>tr|D9PYF9|D9PYF9_METTM F420-reducing hydrogenase, subunit alpha OS=Methanothermobacter marburgensis GN=frhA MSERIVISPTSRQEGHAELVMEVDDEGIVTKGRYFSITPVRGLEKMVTGKAPETAPVMVQ RICGVCPIPHTLASVEAIDDSLDIEVPKAGRLLRELTLAAHHVNSHAIHHFLIAPDFVPE NLMADAINSVSEIRKNAQYVVDMVAGEGIHPSDVRIGGMADNITELARKRLYARLKQLKP KVNEHVELMIGLIEDKGLPEGLGVHNQPTLASHQIYGDRTKFDLDRFTEIMPESWYDDPE IAKRACSTIPLYDGRNVEVGPRARMVEFQGFKERGVVAQHVARALEMKTALSRAIEILDE LDTSAPVRADFDERGTGKLGIGAIEAPRGLDVHMAKVENGKIQFYSALVPTTWNIPTMGP ATEGFHHEYGPHVIRAYDPCLSCATHVMVVDDEDKSVIKNEMVKI