>sp|P77423|HYFH_ECOLI Hydrogenase-4 component H OS=Escherichia coli GN=hyfH MLKLLKTIMRAGTATVKYPFAPLEVSPGFRGKPDLMPSQCIACGACACACPANALTIQTD DQQNSRTWQLYLGRCIYCGRCEEVCPTRAIQLTNNFELTVTNKADLYTRATFHLQRCSRC ERPFAPQKTIALAAELLAQQQNAPQNREMLWAQASVCPECKQRATLINDDTDVLLVAKEQ L