>tr|D9PYF6|D9PYF6_METTM F420-reducing hydrogenase, subunit beta OS=Methanothermobacter marburgensis (strain ATCC BAA-927 / DSM 2133 / JCM 14651 / NBRC 100331 / OCM 82 / Marburg) OX=79929 GN=frhB PE=1 SV=1 MVLGTYKEIVSARSTDREIQKLAQDGGIVTGLLAYALDEGIIEGAVVAGPGEEFWKPQPM VAMSSDELKAAAGTKYTFSPNVMMLKKAVRQYGIEKLGTVAIPCQTMGIRKMQTYPFGVR FLADKIKLLVGIYCMENFPYTSLQTFICEKLGVSMELVEKMDIGKGKFWVYTQDDVLTLP LKETHGYEQAGCKICKDYVAELADVSTGSVGSPDGWSTVITRTDAGDSIFKQAVEAGLFE TKPIEEVKPGLGLLEKLAAQKKEKAEKNIAARKEMGLPTPF