AROQ_HAEIN
ID AROQ_HAEIN Reviewed; 149 AA.
AC P43878;
DT 01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1995, sequence version 1.
DT 03-AUG-2022, entry version 124.
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; OrderedLocusNames=HI_0970;
OS Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=71421;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX PubMed=7542800; DOI=10.1126/science.7542800;
RA Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT Rd.";
RL Science 269:496-512(1995).
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; L42023; AAC22627.1; -; Genomic_DNA.
DR PIR; D64105; D64105.
DR RefSeq; NP_439131.1; NC_000907.1.
DR RefSeq; WP_010869097.1; NC_000907.1.
DR AlphaFoldDB; P43878; -.
DR SMR; P43878; -.
DR STRING; 71421.HI_0970; -.
DR EnsemblBacteria; AAC22627; AAC22627; HI_0970.
DR KEGG; hin:HI_0970; -.
DR PATRIC; fig|71421.8.peg.1011; -.
DR eggNOG; COG0757; Bacteria.
DR HOGENOM; CLU_090968_1_0_6; -.
DR OMA; AYTHYSY; -.
DR PhylomeDB; P43878; -.
DR BioCyc; HINF71421:G1GJ1-1011-MON; -.
DR UniPathway; UPA00053; UER00086.
DR Proteomes; UP000000579; Chromosome.
DR GO; GO:0003855; F:3-dehydroquinate dehydratase activity; IBA:GO_Central.
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 GO; GO:0019631; P:quinate catabolic process; IBA:GO_Central.
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..149
FT /note="3-dehydroquinate dehydratase"
FT /id="PRO_0000159903"
FT ACT_SITE 26
FT /note="Proton acceptor"
FT /evidence="ECO:0000250"
FT ACT_SITE 103
FT /note="Proton donor"
FT /evidence="ECO:0000250"
FT BINDING 77
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 83
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 90
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 104..105
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 114
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT SITE 21
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000250"
SQ SEQUENCE 149 AA; 16766 MW; BB070AAF36F4C4BA CRC64;
MSQTHRILLL NGPNLNMLGA REPKHYGSIS LESIEEKIQT LATQHNVKVE CFQANSEGKL
INKIHESFQQ VDFILINPAA YTHTSVALRD ALLAVSIPFV EIHLSNVHKR EPFRHHSYFS
DVAEGVICGL GAKGYEFAFL FAMDYLAKK
