AROQ_POLNS
ID AROQ_POLNS Reviewed; 149 AA.
AC B1XT51;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 72.
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=Pnec_0231;
OS Polynucleobacter necessarius subsp. necessarius (strain STIR1).
OC Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Polynucleobacter.
OX NCBI_TaxID=452638;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=STIR1;
RX PubMed=24167248; DOI=10.1073/pnas.1316687110;
RA Boscaro V., Felletti M., Vannini C., Ackerman M.S., Chain P.S.,
RA Malfatti S., Vergez L.M., Shin M., Doak T.G., Lynch M., Petroni G.;
RT "Polynucleobacter necessarius, a model for genome reduction in both free-
RT living and symbiotic bacteria.";
RL Proc. Natl. Acad. Sci. U.S.A. 110:18590-18595(2013).
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP001010; ACB43528.1; -; Genomic_DNA.
DR RefSeq; WP_012357295.1; NC_010531.1.
DR AlphaFoldDB; B1XT51; -.
DR SMR; B1XT51; -.
DR STRING; 452638.Pnec_0231; -.
DR EnsemblBacteria; ACB43528; ACB43528; Pnec_0231.
DR KEGG; pne:Pnec_0231; -.
DR eggNOG; COG0757; Bacteria.
DR HOGENOM; CLU_090968_1_0_4; -.
DR OMA; AYTHYSY; -.
DR OrthoDB; 1872106at2; -.
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..149
FT /note="3-dehydroquinate dehydratase"
FT /id="PRO_1000097613"
FT ACT_SITE 26
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT ACT_SITE 104
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT BINDING 78
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 91
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT BINDING 105..106
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT BINDING 115
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 149 AA; 16254 MW; EBFE1AD1991E575E CRC64;
MSKKASILVI QGPNLNLLGS RESDVYGKTT LEDIHQKLGE LATAQSVDLS TYQSNHEGEL
IDRIQKAKQD GVDFIIINPG AFTHTSVALR DVLAGVAIPF TEVHLSNIHQ REEFRKHSYL
SDIATGVICG LGAIGYELAL QAAITRIKK
