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hydB

Gene
hydB
Protein
Quinone-reactive Ni/Fe-hydrogenase large chain
Organism
Wolinella succinogenes (strain ATCC 29543 / DSM 1740 / LMG 7466 / NCTC 11488 / FDC 602W)
Length
576 amino acids
Function
This enzyme recycles the H(2) produced by nitrogenase to increase the production of ATP and to protect nitrogenase against inhibition or damage by O(2) under carbon- or phosphate-limited conditions.
Similarity
Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family.
Mass
63.977 kDa
Sequence
MTKRIVVDPITRIEGHLRIEVVVDENNVIQDAFSTATLWRGLETILKGRDPRDAGFFTQRICGVCTYSHYKAGISAVENALGIKPPLNAELIRSLMSISLILHDHTVHFYHLHGLDWCDITSALKADPVAASKLAFKYSPNPIATGADELTAVQKRVAEFAAKGNLGPFANAYWGHKTYRFSPEQNLIVLSHYLKALEVQRVAAQMMAIWGAKQPHPQSLTVGGVTSVMDALDPSRLGDWLTKYKYVADFVNRAYYADVVMAAEVFKSEPSVLGGCNVKNFYSYQEIPLNKTEWMYSTGIVMDGDITKVHEINEDLITEEATHAWYKENKALHPYDGQQDPNYTGFKDMETVGPDGTMVKTKVIDEKGKYTWIKAPRYGGKPLEVGPLATIVVGLAAKNPRIEKVATQFLKDTGLPLAALFTTLGRTAARMLECKLSADYGFEAFNSLIANLKVDQSTYTTYKIDKNKEYKGRYMGTVPRGVLSHWVRIKNGVIQNYQAVVPSTWNAGPRDANGTKGPYEASLVGMKLQDLSQPLEIIRVIHSFDPCIACAVHVMDTKGNELSQYRVDPITVGCNL

Gene
hydB
Protein
Periplasmic [NiFe] hydrogenase large subunit
Organism
Desulfovibrio vulgaris (strain Miyazaki F / DSM 19637)
Length
567 amino acids
Function
Catalyzes the reversible oxidoreduction of molecular hydrogen, in conjunction with a specific electron acceptor, cytochrome c3.
Similarity
Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family.
Mass
62.641 kDa
Sequence
MSGCRAQNAPGGIPVTPKSSYSGPIVVDPVTRIEGHLRIEVEVENGKVKNAYSSSTLFRGLEIILKGRDPRDAQHFTQRTCGVCTYTHALASTRCVDNAVGVHIPKNATYIRNLVLGAQYLHDHIVHFYHLHALDFVDVTAALKADPAKAAKVASSISPRKTTAADLKAVQDKLKTFVESGQLGPFTNAYFLGGHPAYYLDPETNLIATAHYLEALRLQVKAARAMAVFGAKNPHTQFTVVGGVTCYDALTPQRIAEFEALWKETKAFVDEVYIPDLLVVAAAYKDWTQYGGTDNFITFGEFPKDEYDLNSRFFKPGVVFKRDFKNIKPFDKMQIEEHVRHSWYEGAEARHPWKGQTQPKYTDLHGDDRYSWMKAPRYMGEPMETGPLAQVLIAYSQGHPKVKAVTDAVLAKLGVGPEALFSTLGRTAARGIETAVIAEYVGVMLQEYKDNIAKGDNVICAPWEMPKQAEGVGFVNAPRGGLSHWIRIEDGKIGNFQLVVPSTWTLGPRCDKNKLSPVEASLIGTPVADAKRPVEILRTVHSFDPCIACGVHVIDGHTNEVHKFRIL

Gene
hydB
Protein
Periplasmic [NiFe] hydrogenase large subunit
Organism
Desulfovibrio fructosivorans
Length
564 amino acids
Similarity
Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family.
Mass
61.436 kDa
Sequence
MAESKPTPQSTFTGPIVVDPITRIEGHLRIMVEVENGKVKDAWSSSQLFRGLEIILKGRDPRDAQHFTQRACGVCTYVHALASSRCVDDAVKVSIPANARMMRNLVMASQYLHDHLVHFYHLHALDWVDVTAALKADPNKAAKLAASIAPARPGNSAKALKAVQDKLKAFVESGQLGIFTNAYFLGGHKAYYLPPEVDLIATAHYLEALHMQVKAASAMAILGGKNPHTQFTVVGGCSNYQGLTKDPLANYLALSKEVCQFVNECYIPDLLAVAGFYKDWGGIGGTSNYLAFGEFATDDSSPEKHLATSQFPSGVITGRDLGKVDNVDLGAIYEDVKYSWYAPGGDGKHPYDGVTDPKYTKLDDKDHYSWMKAPRYKGKAMEVGPLARTFIAYAKGQPDFKKVVDMVLGKLSVPATALHSTLGRTAARGIETAIVCANMEKWIKEMADSGAKDNTLCAKWEMPEESKGVGLADAPRGALSHWIRIKGKKIDNFQLVVPSTWNLGPRGAQGDKSPVEEALIGTPIADPKRPVEILRTVHAFDPCIACGVHVIEPETNEILKFKVC

Gene
hydB
Protein
Periplasmic [NiFe] hydrogenase large subunit
Organism
Desulfovibrio gigas
Length
551 amino acids
Similarity
Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family.
Mass
61.48 kDa
Sequence
MSEMQGNKIVVDPITRIEGHLRIEVEVEGGKIKNAWSMSTLFRGLEMILKGRDPRDAQHFTQRACGVCTYVHALASVRAVDNCVGVKIPENATLMRNLTMGAQYMHDHLVHFYHLHALDWVNVANALNADPAKAARLANDLSPRKTTTESLKAVQAKVKALVESGQLGIFTNAYFLGGHPAYVLPAEVDLIATAHYLEALRVQVKAARAMAIFGAKNPHTQFTVVGGCTNYDSLRPERIAEFRKLYKEVREFIEQVYITDLLAVAGFYKNWAGIGKTSNFLTCGEFPTDEYDLNSRYTPQGVIWGNDLSKVDDFNPDLIEEHVKYSWYEGADAHHPYKGVTKPKWTEFHGEDRYSWMKAPRYKGEAFEVGPLASVLVAYAKKHEPTVKAVDLVLKTLGVGPEALFSTLGRTAARGIQCLTAAQEVEVWLDKLEANVKAGKDDLYTDWQYPTESQGVGFVNAPRGMLSHWIVQRGGKIENFQHVVPSTWNLGPRCAERKLSAVEQALIGTPIADPKRPVEILRTVHSYDPCIACGVHVIDPESNQVHKFRIL

Gene
hydB
Protein
Sulfhydrogenase 1 subunit beta
Organism
Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)
Length
367 amino acids
Function
Part of a bifunctional enzyme complex that functions as an NADPH-dependent hydrogen-evolving hydrogenase with sulfur reducing activity. May play a role in hydrogen cycling during fermentative growth. Activity not exhibited with NAD. The beta and gamma subunits form the sulfur reducing component that catalyzes the cytoplasmic production of hydrogen sulfide in the presence of elemental sulfur. Not active in the presence of sodium sulfate, sodium sulfite, sodium thiosulfate or cysteine.
Mass
43.399 kDa
Sequence
MRYVKLPKENTYEFLERLKDWGKLYAPVKISDKFYDFREIDDVRKIEFHYNRTIMPPKKFFFKPREKLFEFDISKPEYREVIEEVEPFIIFGVHACDIYGLKILDTVYLDEFPDKYYKVRREKGIIIGISCMPDEYCFCNLRETDFADDGFDLFFHELPDGWLVRVGTPTGHRLVDKNIKLFEEVTDKDICAFRDFEKRRQQAFKYHEDWGNLRYLLELEMEHPMWDEEADKCLACGICNTTCPTCRCYEVQDIVNLDGVTGYRERRWDSCQFRSHGLVAGGHNFRPTKKDRFRNRYLCKNAYNEKLGLSYCVGCGRCTAFCPANISFVGNLRRILGLEENKCPPTVSEEIPKRGFAYSSNIRGDGV

Gene
hydB
Protein
Periplasmic [Fe] hydrogenase small subunit
Organism
Desulfovibrio oxamicus (strain Monticello)
Length
124 amino acids
Function
May be involved in hydrogen uptake for the reduction of sulfate to hydrogen sulfide in an electron transport chain. Cytochrome c3 is likely to be the physiological electron carrier for the enzyme.
Mass
13.962 kDa
Sequence
MQIVNLTRRGFLKAACVVTGGALISIRMTGKAVAAAKQLKDYMMDRINGVYGADAKFPVRASQDNVQVQKLYADFLEKPMSHKAEQLLHTHWVDRSKAIERMKAQGAYPNPRAKEFEGNTYPYE

Gene
hydB
Protein
Periplasmic [Fe] hydrogenase small subunit
Organism
Desulfovibrio vulgaris (strain Hildenborough / ATCC 29579 / DSM 644 / NCIMB 8303)
Length
123 amino acids
Function
May be involved in hydrogen uptake for the reduction of sulfate to hydrogen sulfide in an electron transport chain. Cytochrome c3 is likely to be the physiological electron carrier for the enzyme.
Mass
13.624 kDa
Sequence
MQIASITRRGFLKVACVTTGAALIGIRMTGKAVAAVKQIKDYMLDRINGVYGADAKFPVRASQDNTQVKALYKSYLEKPLGHKSHDLLHTHWFDKSKGVKELTTAGKLPNPRASEFEGPYPYE