ID   AROQ_SHESH              Reviewed;         151 AA.
AC   A8G0R9;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   03-AUG-2022, entry version 85.
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=Ssed_4088;
OS   Shewanella sediminis (strain HAW-EB3).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=425104;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HAW-EB3;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Zhao J.-S., Richardson P.;
RT   "Complete sequence of Shewanella sediminis HAW-EB3.";
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000821; ABV38692.1; -; Genomic_DNA.
DR   RefSeq; WP_012144422.1; NC_009831.1.
DR   AlphaFoldDB; A8G0R9; -.
DR   SMR; A8G0R9; -.
DR   STRING; 425104.Ssed_4088; -.
DR   EnsemblBacteria; ABV38692; ABV38692; Ssed_4088.
DR   KEGG; sse:Ssed_4088; -.
DR   eggNOG; COG0757; Bacteria.
DR   HOGENOM; CLU_090968_1_0_6; -.
DR   OMA; AYTHYSY; -.
DR   OrthoDB; 1872106at2; -.
DR   UniPathway; UPA00053; UER00086.
DR   Proteomes; UP000002015; Chromosome.
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..151
FT                   /note="3-dehydroquinate dehydratase"
FT                   /id="PRO_1000097623"
FT   ACT_SITE        26
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   ACT_SITE        101
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         75
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         81
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         88
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         102..103
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         112
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   SITE            21
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
SQ   SEQUENCE   151 AA;  16444 MW;  856FAFE89C1660A8 CRC64;
     MGGKAKILLV NGPNLNLLGR REPGHYGHHT LDQIVKELQD ESTSSGVVLE HIQSNAEHEL
     IDAIHATEAE FIIINPAAFT HTSVALRDAI LGVSIPFIEV HLSNVHAREP FRHHSYFSDK
     AVGVICGLGA QGYQFALQSA ISRLKAKSAE H