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AROQ_CLOAB
ID   AROQ_CLOAB              Reviewed;         144 AA.
AC   Q97KL8;
DT   27-MAY-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2001, sequence version 1.
DT   03-AUG-2022, entry version 107.
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=CA_C0899;
OS   Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / LMG 5710
OS   / VKM B-1787).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=272562;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 824 / DSM 792 / JCM 1419 / LMG 5710 / VKM B-1787;
RX   PubMed=11466286; DOI=10.1128/jb.183.16.4823-4838.2001;
RA   Noelling J., Breton G., Omelchenko M.V., Makarova K.S., Zeng Q., Gibson R.,
RA   Lee H.M., Dubois J., Qiu D., Hitti J., Wolf Y.I., Tatusov R.L., Sabathe F.,
RA   Doucette-Stamm L.A., Soucaille P., Daly M.J., Bennett G.N., Koonin E.V.,
RA   Smith D.R.;
RT   "Genome sequence and comparative analysis of the solvent-producing
RT   bacterium Clostridium acetobutylicum.";
RL   J. Bacteriol. 183:4823-4838(2001).
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; AE001437; AAK78875.1; -; Genomic_DNA.
DR   PIR; H97010; H97010.
DR   RefSeq; NP_347535.1; NC_003030.1.
DR   RefSeq; WP_010964217.1; NC_003030.1.
DR   AlphaFoldDB; Q97KL8; -.
DR   SMR; Q97KL8; -.
DR   STRING; 272562.CA_C0899; -.
DR   EnsemblBacteria; AAK78875; AAK78875; CA_C0899.
DR   GeneID; 44997409; -.
DR   KEGG; cac:CA_C0899; -.
DR   PATRIC; fig|272562.8.peg.1108; -.
DR   eggNOG; COG0757; Bacteria.
DR   HOGENOM; CLU_090968_2_0_9; -.
DR   OMA; AYTHYSY; -.
DR   OrthoDB; 1872106at2; -.
DR   UniPathway; UPA00053; UER00086.
DR   Proteomes; UP000000814; 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..144
FT                   /note="3-dehydroquinate dehydratase"
FT                   /id="PRO_0000159891"
FT   ACT_SITE        22
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   ACT_SITE        99
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         73
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         79
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         86
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         100..101
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         110
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   144 AA;  16056 MW;  C5593207560C78FD CRC64;
     MKILVINGPN INFLGIREKE IYGEGTYEDL CKFIKDEGSK IGIEVEVMQS NIEGEIINFL
     QAAYNKVDGI VINPGAYTHY SIAIYDAIKS INIPTVEVHI SNIHTREEYR RKSVTAPACI
     GQICGFGFYG YVMGITALKN MLSK
 
 
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