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AROQ_FRATM
ID   AROQ_FRATM              Reviewed;         145 AA.
AC   B2SDP9;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   03-AUG-2022, entry version 63.
DE   RecName: Full=3-dehydroquinate dehydratase {ECO:0000255|HAMAP-Rule:MF_00169};
DE            Short=3-dehydroquinase {ECO:0000255|HAMAP-Rule:MF_00169};
DE            EC=4.2.1.10 {ECO:0000255|HAMAP-Rule:MF_00169};
DE   AltName: Full=Type II DHQase {ECO:0000255|HAMAP-Rule:MF_00169};
GN   Name=aroQ {ECO:0000255|HAMAP-Rule:MF_00169}; OrderedLocusNames=FTM_1432;
OS   Francisella tularensis subsp. mediasiatica (strain FSC147).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=441952;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=FSC147;
RX   PubMed=19521508; DOI=10.1371/journal.ppat.1000472;
RA   Larsson P., Elfsmark D., Svensson K., Wikstroem P., Forsman M., Brettin T.,
RA   Keim P., Johansson A.;
RT   "Molecular evolutionary consequences of niche restriction in Francisella
RT   tularensis, a facultative intracellular pathogen.";
RL   PLoS Pathog. 5:E1000472-E1000472(2009).
CC   -!- FUNCTION: Catalyzes a trans-dehydration via an enolate intermediate.
CC       {ECO:0000255|HAMAP-Rule:MF_00169}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-dehydroquinate = 3-dehydroshikimate + H2O;
CC         Xref=Rhea:RHEA:21096, ChEBI:CHEBI:15377, ChEBI:CHEBI:16630,
CC         ChEBI:CHEBI:32364; EC=4.2.1.10; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00169};
CC   -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC       chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC       3/7. {ECO:0000255|HAMAP-Rule:MF_00169}.
CC   -!- SUBUNIT: Homododecamer. {ECO:0000255|HAMAP-Rule:MF_00169}.
CC   -!- SIMILARITY: Belongs to the type-II 3-dehydroquinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00169}.
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DR   EMBL; CP000915; ACD31263.1; -; Genomic_DNA.
DR   RefSeq; WP_012429769.1; NC_010677.1.
DR   AlphaFoldDB; B2SDP9; -.
DR   SMR; B2SDP9; -.
DR   KEGG; ftm:FTM_1432; -.
DR   HOGENOM; CLU_090968_1_0_6; -.
DR   OMA; AYTHYSY; -.
DR   UniPathway; UPA00053; UER00086.
DR   GO; GO:0003855; F:3-dehydroquinate dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009073; P:aromatic amino acid family biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0008652; P:cellular amino acid biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009423; P:chorismate biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd00466; DHQase_II; 1.
DR   Gene3D; 3.40.50.9100; -; 1.
DR   HAMAP; MF_00169; AroQ; 1.
DR   InterPro; IPR001874; DHquinase_II.
DR   InterPro; IPR018509; DHquinase_II_CS.
DR   InterPro; IPR036441; DHquinase_II_sf.
DR   PANTHER; PTHR21272; PTHR21272; 1.
DR   Pfam; PF01220; DHquinase_II; 1.
DR   PIRSF; PIRSF001399; DHquinase_II; 1.
DR   SUPFAM; SSF52304; SSF52304; 1.
DR   TIGRFAMs; TIGR01088; aroQ; 1.
DR   PROSITE; PS01029; DEHYDROQUINASE_II; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aromatic amino acid biosynthesis; Lyase.
FT   CHAIN           1..145
FT                   /note="3-dehydroquinate dehydratase"
FT                   /id="PRO_1000097600"
FT   ACT_SITE        22
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   ACT_SITE        97
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         71
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         77
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         84
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         98..99
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         108
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   SITE            17
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
SQ   SEQUENCE   145 AA;  16358 MW;  F2E4228F18E06042 CRC64;
     MDVLVINGPN LNLLGTRQPR FYGHKTLADI NNDLLKIAKE NNINIDFYQS NHEGQIIDKI
     QQTAAKIIII NPAAFTHTSV AIRDAFLAIN KPFIEIHLSN IYNREEFRTK SFLSDIAYGC
     IFGFGPNGYT LALIEAINYI NMKGE
 
 
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