>sp|P19499|FRHB_METTH Coenzyme F420 hydrogenase subunit beta OS=Methanothermobacter thermautotrophicus GN=frhB MVLGTYKEIVSARSTDREIQKLAQDGGIVTGLLAYALDEGIIEGAVVAGPGKEFWKPEPM VAMTSDELKAAAGTKYTFSPNVLMLKKAVRQYGIEKLGTVAIPCQTMGIRKAQTYPFGVR FVADKIKLLVGIYCMENFPYTSLQTFICEKLGLNMELVEKMDIGKGKFWVYTQDDVYTLP LKETHGYEQAGCKICKDYVAELADVSTGSVGSPDGWSTVITRTDSGDSILKQAVEAGIFE TKPIEEVKPGLGLLEKLSAQKKEKAEKNIAARKEMGLPTPY