ID   AROQ_MYCLE              Reviewed;         145 AA.
AC   Q9CCS3;
DT   16-NOV-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   03-AUG-2022, entry version 107.
DE   RecName: Full=3-dehydroquinate dehydratase;
DE            Short=3-dehydroquinase;
DE            EC=4.2.1.10;
DE   AltName: Full=Type II DHQase;
GN   Name=aroQ; Synonyms=aroD; OrderedLocusNames=ML0519;
OS   Mycobacterium leprae (strain TN).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium.
OX   NCBI_TaxID=272631;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TN;
RX   PubMed=11234002; DOI=10.1038/35059006;
RA   Cole S.T., Eiglmeier K., Parkhill J., James K.D., Thomson N.R.,
RA   Wheeler P.R., Honore N., Garnier T., Churcher C.M., Harris D.E.,
RA   Mungall K.L., Basham D., Brown D., Chillingworth T., Connor R.,
RA   Davies R.M., Devlin K., Duthoy S., Feltwell T., Fraser A., Hamlin N.,
RA   Holroyd S., Hornsby T., Jagels K., Lacroix C., Maclean J., Moule S.,
RA   Murphy L.D., Oliver K., Quail M.A., Rajandream M.A., Rutherford K.M.,
RA   Rutter S., Seeger K., Simon S., Simmonds M., Skelton J., Squares R.,
RA   Squares S., Stevens K., Taylor K., Whitehead S., Woodward J.R.,
RA   Barrell B.G.;
RT   "Massive gene decay in the leprosy bacillus.";
RL   Nature 409:1007-1011(2001).
CC   -!- FUNCTION: Catalyzes a trans-dehydration via an enolate intermediate.
CC       {ECO:0000250}.
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;
CC   -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC       chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC       3/7.
CC   -!- SUBUNIT: Homododecamer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the type-II 3-dehydroquinase family.
CC       {ECO:0000305}.
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DR   EMBL; AL583918; CAC30027.1; -; Genomic_DNA.
DR   PIR; G86973; G86973.
DR   RefSeq; NP_301444.1; NC_002677.1.
DR   RefSeq; WP_010907768.1; NC_002677.1.
DR   AlphaFoldDB; Q9CCS3; -.
DR   SMR; Q9CCS3; -.
DR   STRING; 272631.ML0519; -.
DR   EnsemblBacteria; CAC30027; CAC30027; CAC30027.
DR   KEGG; mle:ML0519; -.
DR   PATRIC; fig|272631.5.peg.908; -.
DR   Leproma; ML0519; -.
DR   eggNOG; COG0757; Bacteria.
DR   HOGENOM; CLU_090968_2_1_11; -.
DR   OMA; AYTHYSY; -.
DR   UniPathway; UPA00053; UER00086.
DR   Proteomes; UP000000806; 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_0000159908"
FT   ACT_SITE        23
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        100
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   BINDING         74
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         80
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         87
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         101..102
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         111
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   SITE            18
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   145 AA;  15643 MW;  5FEE5671595F8C0D CRC64;
     MTMVNIINGP NLGRLGRREP DVYGSTTHEQ LSALIERAAV EFGIKAVVRQ SDSESQLLDW
     IHLAADAGEP VILNAGGLTH TSVALRDACA ELSAPFIEVH ISNVHAREEF RRHSYLSPLA
     TGVITGLGVQ GYLLALRYLA EIAGN