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AROQ_FRATT
ID   AROQ_FRATT              Reviewed;         145 AA.
AC   Q5NHI3;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 1.
DT   03-AUG-2022, entry version 93.
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=FTT_0471;
OS   Francisella tularensis subsp. tularensis (strain SCHU S4 / Schu 4).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=177416;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SCHU S4 / Schu 4;
RX   PubMed=15640799; DOI=10.1038/ng1499;
RA   Larsson P., Oyston P.C.F., Chain P., Chu M.C., Duffield M., Fuxelius H.-H.,
RA   Garcia E., Haelltorp G., Johansson D., Isherwood K.E., Karp P.D.,
RA   Larsson E., Liu Y., Michell S., Prior J., Prior R., Malfatti S.,
RA   Sjoestedt A., Svensson K., Thompson N., Vergez L., Wagg J.K., Wren B.W.,
RA   Lindler L.E., Andersson S.G.E., Forsman M., Titball R.W.;
RT   "The complete genome sequence of Francisella tularensis, the causative
RT   agent of tularemia.";
RL   Nat. Genet. 37:153-159(2005).
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; AJ749949; CAG45104.1; -; Genomic_DNA.
DR   RefSeq; WP_003016972.1; NZ_CP010290.1.
DR   RefSeq; YP_169509.1; NC_006570.2.
DR   AlphaFoldDB; Q5NHI3; -.
DR   SMR; Q5NHI3; -.
DR   STRING; 177416.FTT_0471; -.
DR   DNASU; 3192548; -.
DR   EnsemblBacteria; CAG45104; CAG45104; FTT_0471.
DR   GeneID; 60807229; -.
DR   KEGG; ftu:FTT_0471; -.
DR   eggNOG; COG0757; Bacteria.
DR   OMA; AYTHYSY; -.
DR   UniPathway; UPA00053; UER00086.
DR   Proteomes; UP000001174; 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..145
FT                   /note="3-dehydroquinate dehydratase"
FT                   /id="PRO_1000077040"
FT   ACT_SITE        22
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   ACT_SITE        97
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         71
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         77
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         98..99
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00169"
FT   BINDING         108
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   145 AA;  16330 MW;  F2E4228DC8E1B041 CRC64;
     MDVLVINGPN LNLLGTRQPQ FYGHKTLADI NNDLLKIAKE NNINIDFYQS NHEGQIIDKI
     QQTAAKIIII NPAAFTHTSV AIRDAFLAIN KPFIEIHLSN IYNREEFRTK SFLSDIAYGC
     IFGFGPNGYT LALIEAINYI NMKGE
 
 
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