ID PHNS1_DESVH Reviewed; 317 AA.
AC Q06173;
DT 01-FEB-1995, integrated into UniProtKB/Swiss-Prot.
DT 24-MAY-2004, sequence version 2.
DT 27-MAR-2024, entry version 149.
DE RecName: Full=Periplasmic [NiFe] hydrogenase small subunit 1;
DE EC=1.12.2.1;
DE AltName: Full=NiFe hydrogenlyase small chain 1;
DE Flags: Precursor;
GN Name=hynB1; Synonyms=hynB-1; OrderedLocusNames=DVU_1921;
OS Desulfovibrio vulgaris (strain ATCC 29579 / DSM 644 / NCIMB 8303 / VKM
OS B-1760 / Hildenborough).
OC Bacteria; Thermodesulfobacteriota; Desulfovibrionia; Desulfovibrionales;
OC Desulfovibrionaceae; Nitratidesulfovibrio.
OX NCBI_TaxID=882;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29579 / DSM 644 / NCIMB 8303 / VKM B-1760 / Hildenborough;
RX PubMed=15077118; DOI=10.1038/nbt959;
RA Heidelberg J.F., Seshadri R., Haveman S.A., Hemme C.L., Paulsen I.T.,
RA Kolonay J.F., Eisen J.A., Ward N.L., Methe B.A., Brinkac L.M.,
RA Daugherty S.C., DeBoy R.T., Dodson R.J., Durkin A.S., Madupu R.,
RA Nelson W.C., Sullivan S.A., Fouts D.E., Haft D.H., Selengut J.,
RA Peterson J.D., Davidsen T.M., Zafar N., Zhou L., Radune D., Dimitrov G.,
RA Hance M., Tran K., Khouri H.M., Gill J., Utterback T.R., Feldblyum T.V.,
RA Wall J.D., Voordouw G., Fraser C.M.;
RT "The genome sequence of the anaerobic, sulfate-reducing bacterium
RT Desulfovibrio vulgaris Hildenborough.";
RL Nat. Biotechnol. 22:554-559(2004).
RN [2]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-55, AND MUTAGENESIS OF ARG-18.
RX PubMed=1479348; DOI=10.1099/00221287-138-10-2173;
RA Niviere V., Wong S.L., Voordouw G.;
RT "Site-directed mutagenesis of the hydrogenase signal peptide consensus box
RT prevents export of a beta-lactamase fusion protein.";
RL J. Gen. Microbiol. 138:2173-2183(1992).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 Fe(III)-[cytochrome c3] + H2 = 2 Fe(II)-[cytochrome c3] + 2
CC H(+); Xref=Rhea:RHEA:20625, Rhea:RHEA-COMP:11576, Rhea:RHEA-
CC COMP:11577, ChEBI:CHEBI:15378, ChEBI:CHEBI:18276, ChEBI:CHEBI:29033,
CC ChEBI:CHEBI:29034; EC=1.12.2.1;
CC -!- COFACTOR:
CC Name=[3Fe-4S] cluster; Xref=ChEBI:CHEBI:21137; Evidence={ECO:0000250};
CC Note=Binds 1 [3Fe-4S] cluster. {ECO:0000250};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; Evidence={ECO:0000250};
CC Note=Binds 2 [4Fe-4S] clusters. {ECO:0000250};
CC -!- SUBUNIT: Heterodimer of a large and a small subunit.
CC -!- SUBCELLULAR LOCATION: Periplasm.
CC -!- PTM: Predicted to be exported by the Tat system. The position of the
CC signal peptide cleavage has not been experimentally proven.
CC -!- SIMILARITY: Belongs to the [NiFe]/[NiFeSe] hydrogenase small subunit
CC family. {ECO:0000305}.
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DR EMBL; AE017285; AAS96397.1; -; Genomic_DNA.
DR RefSeq; WP_010939207.1; NZ_CABHLV010000001.1.
DR RefSeq; YP_011138.1; NC_002937.3.
DR AlphaFoldDB; Q06173; -.
DR SMR; Q06173; -.
DR IntAct; Q06173; 1.
DR STRING; 882.DVU_1921; -.
DR PaxDb; 882-DVU_1921; -.
DR EnsemblBacteria; AAS96397; AAS96397; DVU_1921.
DR KEGG; dvu:DVU_1921; -.
DR PATRIC; fig|882.5.peg.1764; -.
DR eggNOG; COG1740; Bacteria.
DR HOGENOM; CLU_046107_0_0_7; -.
DR OrthoDB; 9766729at2; -.
DR PhylomeDB; Q06173; -.
DR BioCyc; MetaCyc:MONOMER-22148; -.
DR BRENDA; 1.12.2.1; 1915.
DR Proteomes; UP000002194; Chromosome.
DR GO; GO:0009375; C:ferredoxin hydrogenase complex; IEA:InterPro.
DR GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR GO; GO:0051538; F:3 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0047806; F:cytochrome-c3 hydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0008901; F:ferredoxin hydrogenase activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR Gene3D; 4.10.480.10; Cytochrome-c3 hydrogenase, C-terminal domain; 1.
DR Gene3D; 3.40.50.700; NADH:ubiquinone oxidoreductase-like, 20kDa subunit; 1.
DR InterPro; IPR027394; Cytochrome-c3_hydrogenase_C.
DR InterPro; IPR006137; NADH_UbQ_OxRdtase-like_20kDa.
DR InterPro; IPR037148; NiFe-Hase_small_C_sf.
DR InterPro; IPR037024; NiFe_Hase_small_N_sf.
DR InterPro; IPR001821; NiFe_hydrogenase_ssu.
DR InterPro; IPR006311; TAT_signal.
DR InterPro; IPR019546; TAT_signal_bac_arc.
DR NCBIfam; TIGR00391; hydA; 1.
DR NCBIfam; TIGR01409; TAT_signal_seq; 1.
DR PANTHER; PTHR30013:SF7; HYDROGENASE-2 SMALL CHAIN; 1.
DR PANTHER; PTHR30013; NIFE / NIFESE HYDROGENASE SMALL SUBUNIT FAMILY MEMBER; 1.
DR Pfam; PF14720; NiFe_hyd_SSU_C; 1.
DR Pfam; PF01058; Oxidored_q6; 1.
DR PIRSF; PIRSF000310; NiFe_hyd_ssu; 1.
DR PRINTS; PR00614; NIHGNASESMLL.
DR SUPFAM; SSF56770; HydA/Nqo6-like; 1.
DR PROSITE; PS51318; TAT; 1.
PE 1: Evidence at protein level;
KW 3Fe-4S; 4Fe-4S; Iron; Iron-sulfur; Metal-binding; Oxidoreductase;
KW Periplasm; Reference proteome; Signal.
FT SIGNAL 1..49
FT /note="Tat-type signal"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00648"
FT CHAIN 50..317
FT /note="Periplasmic [NiFe] hydrogenase small subunit 1"
FT /id="PRO_0000013417"
FT BINDING 67
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 70
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 164
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 200
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 238
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 241
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 266
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 272
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 281
FT /ligand="[3Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:21137"
FT /evidence="ECO:0000250"
FT BINDING 299
FT /ligand="[3Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:21137"
FT /evidence="ECO:0000250"
FT BINDING 302
FT /ligand="[3Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:21137"
FT /evidence="ECO:0000250"
FT MUTAGEN 18
FT /note="R->E: Completely inhibits export and processing of
FT the fusion protein."
FT /evidence="ECO:0000269|PubMed:1479348"
SQ SEQUENCE 317 AA; 34236 MW; E579C0215F1C5F47 CRC64;
MRFSVGLGKE GAEERLARRG VSRRDFLKFC TAIAVTMGMG PAFAPEVARA LTGSRRPSVV
YLHNAECTGC SESVLRAFQP YLDELILDTI SLDYHETIMA AAGDAAEAAL HQAVANPDGF
ICIVEGAIPT ADNGIYGKVA NHTMLSICSD IVPKAKAVIA YGTCATFGGV QAAKPNPTGA
KGLNDALKHL GVNAINLAGC PPNPYNLVGT LVYYLKNNAA PEMDEFNRPL MFFGQSVHDN
CPRLKHFDAG EFAPSFESEE ARKGWCLYEL GCKGPSTMNN CPKIKFNQTN WPVEAGHPCI
GCSEPDFWDE KSPFYES
//
