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MBHT_ECO57
ID   MBHT_ECO57              Reviewed;         372 AA.
AC   P69743; Q46847;
DT   26-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT   26-APR-2005, sequence version 1.
DT   03-AUG-2022, entry version 114.
DE   RecName: Full=Hydrogenase-2 small chain;
DE            Short=HYD2;
DE            EC=1.12.99.6;
DE   AltName: Full=Membrane-bound hydrogenase 2 small subunit;
DE   AltName: Full=NiFe hydrogenase;
DE   Flags: Precursor;
GN   Name=hybO; OrderedLocusNames=Z4351, ECs3882;
OS   Escherichia coli O157:H7.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83334;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC;
RX   PubMed=11206551; DOI=10.1038/35054089;
RA   Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J.,
RA   Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G.,
RA   Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J.,
RA   Davis N.W., Lim A., Dimalanta E.T., Potamousis K., Apodaca J.,
RA   Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A.,
RA   Blattner F.R.;
RT   "Genome sequence of enterohaemorrhagic Escherichia coli O157:H7.";
RL   Nature 409:529-533(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / Sakai / RIMD 0509952 / EHEC;
RX   PubMed=11258796; DOI=10.1093/dnares/8.1.11;
RA   Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K.,
RA   Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T.,
RA   Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T., Kuhara S.,
RA   Shiba T., Hattori M., Shinagawa H.;
RT   "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and
RT   genomic comparison with a laboratory strain K-12.";
RL   DNA Res. 8:11-22(2001).
CC   -!- FUNCTION: This is one of three E.coli hydrogenases synthesized in
CC       response to different physiological conditions. HYD2 is involved in
CC       hydrogen uptake.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=A + H2 = AH2; Xref=Rhea:RHEA:12116, ChEBI:CHEBI:13193,
CC         ChEBI:CHEBI:17499, ChEBI:CHEBI:18276; EC=1.12.99.6;
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: Cell membrane; Peripheral membrane protein;
CC       Periplasmic side. 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; AE005174; AAG58134.1; -; Genomic_DNA.
DR   EMBL; BA000007; BAB37305.1; -; Genomic_DNA.
DR   PIR; B85959; B85959.
DR   PIR; B91114; B91114.
DR   RefSeq; NP_311909.1; NC_002695.1.
DR   RefSeq; WP_000145410.1; NZ_SEKU01000004.1.
DR   AlphaFoldDB; P69743; -.
DR   SMR; P69743; -.
DR   STRING; 155864.EDL933_4219; -.
DR   PRIDE; P69743; -.
DR   EnsemblBacteria; AAG58134; AAG58134; Z4351.
DR   EnsemblBacteria; BAB37305; BAB37305; ECs_3882.
DR   GeneID; 66673105; -.
DR   GeneID; 916289; -.
DR   KEGG; ece:Z4351; -.
DR   KEGG; ecs:ECs_3882; -.
DR   PATRIC; fig|386585.9.peg.4049; -.
DR   eggNOG; COG1740; Bacteria.
DR   HOGENOM; CLU_046107_0_1_6; -.
DR   OMA; VPGCPIQ; -.
DR   Proteomes; UP000000558; Chromosome.
DR   Proteomes; UP000002519; Chromosome.
DR   GO; GO:0009375; C:ferredoxin hydrogenase complex; IEA:InterPro.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   GO; GO:0005886; C:plasma membrane; 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:0008901; F:ferredoxin hydrogenase activity; IEA:InterPro.
DR   GO; GO:0033748; F:hydrogenase (acceptor) activity; IEA:UniProtKB-EC.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.700; -; 1.
DR   Gene3D; 4.10.480.10; -; 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   PANTHER; PTHR30013; PTHR30013; 1.
DR   Pfam; PF14720; NiFe_hyd_SSU_C; 1.
DR   Pfam; PF01058; Oxidored_q6; 1.
DR   PIRSF; PIRSF000310; NiFe_hyd_ssu; 1.
DR   TIGRFAMs; TIGR00391; hydA; 1.
DR   TIGRFAMs; TIGR01409; TAT_signal_seq; 1.
DR   PROSITE; PS51318; TAT; 1.
PE   3: Inferred from homology;
KW   3Fe-4S; 4Fe-4S; Cell membrane; Iron; Iron-sulfur; Membrane; Metal-binding;
KW   Oxidoreductase; Periplasm; Reference proteome; Signal.
FT   SIGNAL          1..37
FT                   /note="Tat-type signal"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00648"
FT   CHAIN           38..372
FT                   /note="Hydrogenase-2 small chain"
FT                   /id="PRO_0000013432"
FT   BINDING         59
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         62
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         157
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         191
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         229
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         232
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         257
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         263
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         272
FT                   /ligand="[3Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:21137"
FT                   /evidence="ECO:0000250"
FT   BINDING         292
FT                   /ligand="[3Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:21137"
FT                   /evidence="ECO:0000250"
FT   BINDING         295
FT                   /ligand="[3Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:21137"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   372 AA;  39652 MW;  C5821096BBAF9C66 CRC64;
     MTGDNTLIHS HGINRRDFMK LCAALAATMG LSSKAAAEMA ESVTNPQRPP VIWIGAQECT
     GCTESLLRAT HPTVENLVLE TISLEYHEVL SAAFGHQVEE NKHNALEKYK GQYVLVVDGS
     IPLKDNGIYC MVAGEPIVDH IRKAAEGAAA IIAIGSCSAW GGVAAAGVNP TGAVSLQEVL
     PGKTVINIPG CPPNPHNFLA TVAHIITYGK PPKLDDKNRP TFAYGRLIHE HCERRPHFDA
     GRFAKEFGDE GHREGWCLYH LGCKGPETYG NCSTLQFCDV GGVWPVAIGH PCYGCNEEGI
     GFHKGIHQLA NVENQTPRSQ KPDVNAKEGG NVSAGAIGLL GGVVGLVAGV SVMAVRELGR
     QQKKDNADSR GE
 
 
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