>sp|P80490|FRHB_METBF Coenzyme F420 hydrogenase subunit beta OS=Methanosarcina barkeri GN=frhB MIEDPYLGKYVTCVSARSTDKEILKKAQDGGIATALMVYALEEGFIDGTIVAGEGDKPWQ PKPEVAMTREEILKARGTRYSISPQISWLKEATRSFGLDKVGVTGVCCQMQAVRKAQLYP INMRDVPGKVAFTVGLFCMENFPYKSLQSIVEDHANQSLGSVKKMEITKGKFWVYTERGN VATVPLKATHKYEQPGCHVCLDYVSNLADISTGSVGSPDGWSTVFIRTKVGNEIWSKAVA DGMFETKPIEEVKPGLDLLRKLAKEKIEKNQKTVEERKTFGVNKGLRNPYA