'Protein_Id'	'sf_name'	'definition'	'organism'	'gene_id'	'gene_symbol'	'Molecular function'	'Biological process'	'Cellular component'	'Protein class'	'Public_node_id'
'AN0'	'SUBFAMILY NOT NAMED'	''	''	''	''	'GO:0003824=catalytic activity;GO:0005488=binding;GO:0016491=oxidoreductase activity'	''	'GO:0005886=plasma membrane'	'PC00176=oxidoreductase'	'PTN000768604'
'SHEON|EnsemblGenome=SO_2099|UniProtKB=Q8CVD3'	''	'Periplasmic [Ni-Fe] hydrogenase small subunit HyaA'	'Shewanella oneidensis'	'EnsemblGenome:SO_2099'	'hyaA'	''	''	''	''	'PTN002011428'
'METAC|EnsemblGenome=MA_1146|UniProtKB=Q8TRM9'	''	'F420-nonreducing hydrogenase'	'Methanosarcina acetivorans'	'EnsemblGenome:MA_1146'	'vhtG'	''	''	''	''	'PTN000768606'
'GEOSL|EnsemblGenome=GSU0123|UniProtKB=Q74GX1'	''	'Periplasmically oriented, membrane-bound [NiFe]-hydrogenase small subunit'	'Geobacter sulfurreducens'	'EnsemblGenome:GSU0123'	'hyaS'	''	''	''	''	'PTN000768620'
'AQUAE|EnsemblGenome=aq_965|UniProtKB=O67095'	''	'Hydrogenase small subunit'	'Aquifex aeolicus'	'EnsemblGenome:aq_965'	'mbhS2'	''	''	''	''	'PTN000768617'
'THEYD|EnsemblGenome=THEYE_A1943|UniProtKB=B5YIA2'	''	'Uptake hydrogenase small subunit'	'Thermodesulfovibrio yellowstonii'	'EnsemblGenome:THEYE_A1943'	'THEYE_A1943'	''	''	''	''	'PTN001246762'
'CLOBH|EnsemblGenome=CLC_1783|UniProtKB=A5I2W4'	''	'Hydrogenase small subunit'	'Clostridium botulinum'	'EnsemblGenome:CLC_1783'	'hupS'	''	''	''	''	'PTN002011426'
'AN7'	'HYDROGENASE-1 SMALL CHAIN'	''	''	''	''	'GO:0003824=catalytic activity;GO:0005488=binding;GO:0016491=oxidoreductase activity'	''	'GO:0005886=plasma membrane'	'PC00176=oxidoreductase'	'PTN000768609'
'SALTY|EnsemblGenome=STM1786|UniProtKB=Q8ZP28'	''	'Hydrogenase-1 small subunit'	'Salmonella typhimurium'	'EnsemblGenome:STM1786'	'STM1786'	''	''	''	''	'PTN002011422'
'BRAJA|Gene=BAC46985|UniProtKB=H7C7Z9'	''	'HupS protein'	'Bradyrhizobium japonicum'	'Gene:BAC46985'	'hupS'	''	''	''	''	'PTN000768613'
'GEOSL|EnsemblGenome=GSU3124|UniProtKB=Q747Z1'	''	'Iron-sulfur cluster-binding oxidoreductase'	'Geobacter sulfurreducens'	'EnsemblGenome:GSU3124'	'GSU3124'	''	''	''	''	'PTN002408884'
'AQUAE|EnsemblGenome=aq_660|UniProtKB=O66894'	''	'Hydrogenase small subunit'	'Aquifex aeolicus'	'EnsemblGenome:aq_660'	'mbhS1'	''	''	''	''	'PTN000768610'
'ECOLI|EcoGene=EG10468|UniProtKB=P69739'	''	'Hydrogenase-1 small chain'	'Escherichia coli'	'EcoGene:EG10468'	'hyaA'	''	''	''	''	'PTN001246757'
'SALTY|EnsemblGenome=STM1539|UniProtKB=Q8ZPG9'	''	'Putative hydrogenase-1 small subunit'	'Salmonella typhimurium'	'EnsemblGenome:STM1539'	'STM1539'	''	''	''	''	'PTN002011423'
'BRAJA|EnsemblGenome=BAC52207|UniProtKB=P12635'	''	'Uptake hydrogenase small subunit'	'Bradyrhizobium japonicum'	'EnsemblGenome:BAC52207'	'hupA'	''	''	''	''	'PTN002408886'
'AN24'	'HYDROGENASE-2 SMALL CHAIN'	''	''	''	''	'GO:0003824=catalytic activity;GO:0005488=binding;GO:0016491=oxidoreductase activity'	''	'GO:0005886=plasma membrane'	'PC00176=oxidoreductase'	'PTN000768618'
'ECOLI|EcoGene=EG13006|UniProtKB=P69741'	''	'Hydrogenase-2 small chain'	'Escherichia coli'	'EcoGene:EG13006'	'hybO'	''	''	''	''	'PTN000768622'
'SALTY|EnsemblGenome=STM3150|UniProtKB=Q7CPS8'	''	'Putative Ni/Fe hydrogenases, small subunit'	'Salmonella typhimurium'	'EnsemblGenome:STM3150'	'hypO'	''	''	''	''	'PTN002011425'
'GEOSL|EnsemblGenome=GSU0782|UniProtKB=Q74F27'	''	'Periplasmically oriented, membrane-bound [NiFe]-hydrogenase small subunit'	'Geobacter sulfurreducens'	'EnsemblGenome:GSU0782'	'hybS'	''	''	''	''	'PTN000768621'
'AN3'	'SUBFAMILY NOT NAMED'	''	''	''	''	'GO:0003824=catalytic activity;GO:0005488=binding;GO:0016491=oxidoreductase activity'	''	'GO:0005886=plasma membrane'	'PC00176=oxidoreductase'	'PTN001246758'
'CHLAA|EnsemblGenome=Caur_2771|UniProtKB=A9WK96'	''	'NADH ubiquinone oxidoreductase 20 kDa subunit'	'Chloroflexus aurantiacus'	'EnsemblGenome:Caur_2771'	'Caur_2771'	''	''	''	''	'PTN001246759'
'BRAJA|Gene=BAC52209|UniProtKB=H7C6E9'	''	'HupU protein'	'Bradyrhizobium japonicum'	'Gene:BAC52209'	'hupU'	''	''	''	''	'PTN001246761'
'AQUAE|EnsemblGenome=aq_802|UniProtKB=O66987'	''	'Hydrogenase small subunit'	'Aquifex aeolicus'	'EnsemblGenome:aq_802'	'mbhS3'	''	''	''	''	'PTN001246760'