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AROQ_BACC4
ID   AROQ_BACC4              Reviewed;         146 AA.
AC   B7HB70;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 65.
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=BCB4264_A4309;
OS   Bacillus cereus (strain B4264).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=405532;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B4264;
RA   Dodson R.J., Durkin A.S., Rosovitz M.J., Rasko D.A., Hoffmaster A.,
RA   Ravel J., Sutton G.;
RT   "Genome sequence of Bacillus cereus B4264.";
RL   Submitted (OCT-2008) 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; CP001176; ACK62135.1; -; Genomic_DNA.
DR   RefSeq; WP_000735146.1; NC_011725.1.
DR   AlphaFoldDB; B7HB70; -.
DR   SMR; B7HB70; -.
DR   EnsemblBacteria; ACK62135; ACK62135; BCB4264_A4309.
DR   KEGG; bcb:BCB4264_A4309; -.
DR   HOGENOM; CLU_090968_3_0_9; -.
DR   OMA; AYTHYSY; -.
DR   UniPathway; UPA00053; UER00086.
DR   Proteomes; UP000007096; 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..146
FT                   /note="3-dehydroquinate dehydratase"
FT                   /id="PRO_1000118274"
FT   ACT_SITE        23
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   ACT_SITE        100
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         74
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         80
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         87
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         101..102
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         111
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   SITE            18
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
SQ   SEQUENCE   146 AA;  16193 MW;  13D96DC109266544 CRC64;
     MKKLLLVNGP NLNRLGVREV NVYGKGTLAT LEVDMKQEAE TMGVELECFQ SNHEGAIIDI
     IHEAEDIYKG IILNPGAFTH YSYAIRDAIA SISIPVIEVH ISNIHQRESF RHESVTAAVC
     AGQIVGFGFY GYKLALFALM EKLREA
 
 
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