>sp|P61429|PHNS2_DESVH Periplasmic [NiFe] hydrogenase small subunit 2 OS=Desulfovibrio vulgaris GN=hynB2 MSYTTRIPAKLLARQAEDGRMTRREFMKFCGIVAVAMGMGPGFAPAVAEALQAKGRPSVV YMHGAECTGCTEGLLRSIDPFIDILMMEVISLDYCETVMAAAGRAAHHALEDALRNPAGY VCTIEGAIPTRKGGVYGQVGGETMLSLFSRVASGAKAVIAMGTCASFGGIQAAAPNPSGA IGVREALAPFGIQPINIAGCPPNPVNYIGTVVHLLTKGMPELDSAGRPKMFYGTTVHDQC ERRKHFNADEFAPGFESKEAREGWCLHKLGCRGPYTYNNCPTAQFNQVNWPVRAGAPCIG CSEPGFWDALAPFNKDVRQKSDKA