AROQ_CAMJD
ID AROQ_CAMJD Reviewed; 159 AA.
AC A7H1F1;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 11-SEP-2007, sequence version 1.
DT 03-AUG-2022, entry version 75.
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};
GN OrderedLocusNames=JJD26997_0076;
OS Campylobacter jejuni subsp. doylei (strain ATCC BAA-1458 / RM4099 /
OS 269.97).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Campylobacteraceae; Campylobacter.
OX NCBI_TaxID=360109;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1458 / RM4099 / 269.97;
RA Fouts D.E., Mongodin E.F., Puiu D., Sebastian Y., Miller W.G.,
RA Mandrell R.E., Lastovica A.J., Nelson K.E.;
RT "Complete genome sequence of Campylobacter jejuni subsp doylei 269.97
RT isolated from human blood.";
RL Submitted (JUL-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; CP000768; ABS44762.1; -; Genomic_DNA.
DR AlphaFoldDB; A7H1F1; -.
DR SMR; A7H1F1; -.
DR EnsemblBacteria; ABS44762; ABS44762; JJD26997_0076.
DR KEGG; cjd:JJD26997_0076; -.
DR HOGENOM; CLU_090968_2_0_7; -.
DR OMA; AYTHYSY; -.
DR UniPathway; UPA00053; UER00086.
DR Proteomes; UP000002302; 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..159
FT /note="3-dehydroquinate dehydratase"
FT /id="PRO_1000023457"
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 159 AA; 17622 MW; AF7BA03782B13C60 CRC64;
MKIMIIQGPN VNMLGVREVG IYGAMKMEEI HEQMKLAASQ NNVELDFFQS NFEGEIVDKI
QECLGTVDGI IINAAGYTHT SVAIRDAIAA VALPTIEVHI SNVYRREEFR QKNLIAPVCS
GTIVGFGPFG YHLALMGIIQ ICEQIKNLRA MQQAQQTNK
