AROQ_BACCQ
ID AROQ_BACCQ Reviewed; 146 AA.
AC B9IXJ3;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 24-MAR-2009, sequence version 1.
DT 03-AUG-2022, entry version 63.
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=BCQ_3986;
OS Bacillus cereus (strain Q1).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC Bacillus cereus group.
OX NCBI_TaxID=361100;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Q1;
RX PubMed=19060151; DOI=10.1128/jb.01629-08;
RA Xiong Z., Jiang Y., Qi D., Lu H., Yang F., Yang J., Chen L., Sun L., Xu X.,
RA Xue Y., Zhu Y., Jin Q.;
RT "Complete genome sequence of the extremophilic Bacillus cereus strain Q1
RT with industrial applications.";
RL J. Bacteriol. 191:1120-1121(2009).
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; CP000227; ACM14414.1; -; Genomic_DNA.
DR RefSeq; WP_000757087.1; NC_011969.1.
DR AlphaFoldDB; B9IXJ3; -.
DR SMR; B9IXJ3; -.
DR EnsemblBacteria; ACM14414; ACM14414; BCQ_3986.
DR GeneID; 59155226; -.
DR KEGG; bcq:BCQ_3986; -.
DR HOGENOM; CLU_090968_3_0_9; -.
DR OMA; AYTHYSY; -.
DR UniPathway; UPA00053; UER00086.
DR Proteomes; UP000000441; 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_1000123682"
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; 16195 MW; 89B622F0DF4778BE CRC64;
MKKVLLVNGP NLNRLGVREV NVYGKGTLAT LEADMKQEAE TMGVELECFQ SNHEGAIIDR
IHEAEDIYEG IILNPGAFTH YSYAIRDAIA SISIPVIEVH ISNIHQRESF RHESVTAAVC
AGQIVGFGFY GYKLALFALM EKLREA
