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HIS5_ECO57
ID   HIS5_ECO57              Reviewed;         196 AA.
AC   P58237;
DT   14-AUG-2001, integrated into UniProtKB/Swiss-Prot.
DT   14-AUG-2001, sequence version 1.
DT   03-AUG-2022, entry version 132.
DE   RecName: Full=Imidazole glycerol phosphate synthase subunit HisH;
DE            EC=4.3.2.10;
DE   AltName: Full=IGP synthase glutaminase subunit;
DE            EC=3.5.1.2;
DE   AltName: Full=IGP synthase subunit HisH;
DE   AltName: Full=ImGP synthase subunit HisH;
DE            Short=IGPS subunit HisH;
GN   Name=hisH; OrderedLocusNames=Z3185, ECs2824;
OS   Escherichia coli O157:H7.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83334;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=O157:H- / 184 / EHEC;
RX   PubMed=10222209; DOI=10.1006/mpat.1998.0253;
RA   Shimizu T., Yamasaki S., Tsukamoto T., Takeda Y.;
RT   "Analysis of the genes responsible for the O-antigen synthesis in
RT   enterohaemorrhagic Escherichia coli O157.";
RL   Microb. Pathog. 26:235-247(1999).
RN   [2]
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   [3]
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: IGPS catalyzes the conversion of PRFAR and glutamine to IGP,
CC       AICAR and glutamate. The HisH subunit catalyzes the hydrolysis of
CC       glutamine to glutamate and ammonia as part of the synthesis of IGP and
CC       AICAR. The resulting ammonia molecule is channeled to the active site
CC       of HisF (By similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-[(5-phospho-1-deoxy-D-ribulos-1-ylimino)methylamino]-1-(5-
CC         phospho-beta-D-ribosyl)imidazole-4-carboxamide + L-glutamine = 5-
CC         amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamide + D-
CC         erythro-1-(imidazol-4-yl)glycerol 3-phosphate + H(+) + L-glutamate;
CC         Xref=Rhea:RHEA:24793, ChEBI:CHEBI:15378, ChEBI:CHEBI:29985,
CC         ChEBI:CHEBI:58278, ChEBI:CHEBI:58359, ChEBI:CHEBI:58475,
CC         ChEBI:CHEBI:58525; EC=4.3.2.10;
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + L-glutamine = L-glutamate + NH4(+);
CC         Xref=Rhea:RHEA:15889, ChEBI:CHEBI:15377, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:58359; EC=3.5.1.2;
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 5/9.
CC   -!- SUBUNIT: Heterodimer of HisH and HisF. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
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DR   EMBL; AB008676; BAA77742.1; -; Genomic_DNA.
DR   EMBL; AE005174; AAG57082.1; -; Genomic_DNA.
DR   EMBL; BA000007; BAB36247.1; -; Genomic_DNA.
DR   PIR; F85827; F85827.
DR   PIR; H90981; H90981.
DR   RefSeq; NP_310851.1; NC_002695.1.
DR   RefSeq; WP_001103595.1; NZ_SDVX01000004.1.
DR   AlphaFoldDB; P58237; -.
DR   SMR; P58237; -.
DR   STRING; 155864.EDL933_3095; -.
DR   MEROPS; C26.965; -.
DR   EnsemblBacteria; AAG57082; AAG57082; Z3185.
DR   EnsemblBacteria; BAB36247; BAB36247; ECs_2824.
DR   GeneID; 913853; -.
DR   KEGG; ece:Z3185; -.
DR   KEGG; ecs:ECs_2824; -.
DR   PATRIC; fig|386585.9.peg.2959; -.
DR   eggNOG; COG0118; Bacteria.
DR   HOGENOM; CLU_071837_0_0_6; -.
DR   UniPathway; UPA00031; UER00010.
DR   Proteomes; UP000000558; Chromosome.
DR   Proteomes; UP000002519; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004359; F:glutaminase activity; IEA:UniProtKB-EC.
DR   GO; GO:0000107; F:imidazoleglycerol-phosphate synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016829; F:lyase activity; IEA:UniProtKB-KW.
DR   GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd01748; GATase1_IGP_Synthase; 1.
DR   Gene3D; 3.40.50.880; -; 1.
DR   HAMAP; MF_00278; HisH; 1.
DR   InterPro; IPR029062; Class_I_gatase-like.
DR   InterPro; IPR017926; GATASE.
DR   InterPro; IPR010139; Imidazole-glycPsynth_HisH.
DR   PANTHER; PTHR42701; PTHR42701; 1.
DR   Pfam; PF00117; GATase; 1.
DR   PIRSF; PIRSF000495; Amidotransf_hisH; 1.
DR   SUPFAM; SSF52317; SSF52317; 1.
DR   TIGRFAMs; TIGR01855; IMP_synth_hisH; 1.
DR   PROSITE; PS51273; GATASE_TYPE_1; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Glutamine amidotransferase;
KW   Histidine biosynthesis; Hydrolase; Lyase; Reference proteome.
FT   CHAIN           1..196
FT                   /note="Imidazole glycerol phosphate synthase subunit HisH"
FT                   /id="PRO_0000152375"
FT   DOMAIN          2..196
FT                   /note="Glutamine amidotransferase type-1"
FT   ACT_SITE        77
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        178
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        180
FT                   /evidence="ECO:0000250"
FT   CONFLICT        7
FT                   /note="G -> D (in Ref. 1; BAA77742)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   196 AA;  21595 MW;  1B944DDECF810ED1 CRC64;
     MNVVILGTGC ANLNSVKSAI ARHGYEPKVS RDPDVVLLAD KLFLPGVGTA QAAMDQVRER
     ELFDLIKACT QPVLGICLGM QLLGRRSEES NGVDLLGIID EDVPKMTDFG LPLPHMGWNR
     VYPQAGNRLF QGIEDGAYFY FVHSYAMPVN PWTIAQCNYG EPFTAAVQKD NFYGVQFHPE
     RSGAAGAKLL KNFLEM
 
 
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