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AROQ_EXISA
ID   AROQ_EXISA              Reviewed;         145 AA.
AC   C4L3G2;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   07-JUL-2009, sequence version 1.
DT   03-AUG-2022, entry version 61.
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=EAT1b_0528;
OS   Exiguobacterium sp. (strain ATCC BAA-1283 / AT1b).
OC   Bacteria; Firmicutes; Bacilli; Bacillales;
OC   Bacillales Family XII. Incertae Sedis; Exiguobacterium;
OC   unclassified Exiguobacterium.
OX   NCBI_TaxID=360911;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1283 / AT1b;
RX   PubMed=21460088; DOI=10.1128/jb.00303-11;
RA   Vishnivetskaya T.A., Lucas S., Copeland A., Lapidus A., Glavina del Rio T.,
RA   Dalin E., Tice H., Bruce D.C., Goodwin L.A., Pitluck S., Saunders E.,
RA   Brettin T., Detter C., Han C., Larimer F., Land M.L., Hauser L.J.,
RA   Kyrpides N.C., Ovchinnikova G., Kathariou S., Ramaley R.F., Rodrigues D.F.,
RA   Hendrix C., Richardson P., Tiedje J.M.;
RT   "Complete genome sequence of the Thermophilic Bacterium Exiguobacterium sp.
RT   AT1b.";
RL   J. Bacteriol. 193:2880-2881(2011).
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; CP001615; ACQ69460.1; -; Genomic_DNA.
DR   RefSeq; WP_012726579.1; NC_012673.1.
DR   AlphaFoldDB; C4L3G2; -.
DR   SMR; C4L3G2; -.
DR   STRING; 360911.EAT1b_0528; -.
DR   EnsemblBacteria; ACQ69460; ACQ69460; EAT1b_0528.
DR   KEGG; eat:EAT1b_0528; -.
DR   eggNOG; COG0757; Bacteria.
DR   HOGENOM; CLU_090968_2_0_9; -.
DR   OMA; AYTHYSY; -.
DR   OrthoDB; 1872106at2; -.
DR   UniPathway; UPA00053; UER00086.
DR   Proteomes; UP000000716; 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;
KW   Reference proteome.
FT   CHAIN           1..145
FT                   /note="3-dehydroquinate dehydratase"
FT                   /id="PRO_1000203675"
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;  15964 MW;  0FEE386C2C470079 CRC64;
     MRILVLNGPN LNLLGRREPD VYGDVSLKGL AAELMLRAPE DVELTFKQSN HEGDLIDALH
     DAFDYEGVIL NAGAYTHTSI AIRDAISAIA APVVEVHISN VHARETFRHE SKLAAVCIGV
     ITGFGLTSYT LAMHALIEHW RNRHD
 
 
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