AROQ2_COREF
ID AROQ2_COREF Reviewed; 145 AA.
AC Q8FT32;
DT 25-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2003, sequence version 1.
DT 03-AUG-2022, entry version 102.
DE RecName: Full=3-dehydroquinate dehydratase 2;
DE Short=3-dehydroquinase 2;
DE EC=4.2.1.10;
DE AltName: Full=Type II DHQase 2;
GN Name=aroQ2; OrderedLocusNames=CE1739;
OS Corynebacterium efficiens (strain DSM 44549 / YS-314 / AJ 12310 / JCM 11189
OS / NBRC 100395).
OC Bacteria; Actinobacteria; Corynebacteriales; Corynebacteriaceae;
OC Corynebacterium.
OX NCBI_TaxID=196164;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 44549 / YS-314 / AJ 12310 / JCM 11189 / NBRC 100395;
RX PubMed=12840036; DOI=10.1101/gr.1285603;
RA Nishio Y., Nakamura Y., Kawarabayasi Y., Usuda Y., Kimura E., Sugimoto S.,
RA Matsui K., Yamagishi A., Kikuchi H., Ikeo K., Gojobori T.;
RT "Comparative complete genome sequence analysis of the amino acid
RT replacements responsible for the thermostability of Corynebacterium
RT efficiens.";
RL Genome Res. 13:1572-1579(2003).
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; BA000035; BAC18549.1; -; Genomic_DNA.
DR RefSeq; WP_006767740.1; NZ_GG700683.1.
DR AlphaFoldDB; Q8FT32; -.
DR SMR; Q8FT32; -.
DR STRING; 196164.23493579; -.
DR EnsemblBacteria; BAC18549; BAC18549; BAC18549.
DR KEGG; cef:CE1739; -.
DR eggNOG; COG0757; Bacteria.
DR HOGENOM; CLU_090968_2_0_11; -.
DR OMA; AYTHYSY; -.
DR OrthoDB; 1872106at2; -.
DR UniPathway; UPA00053; UER00086.
DR Proteomes; UP000001409; 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 2"
FT /id="PRO_0000159895"
FT ACT_SITE 22
FT /note="Proton acceptor"
FT /evidence="ECO:0000250"
FT ACT_SITE 101
FT /note="Proton donor"
FT /evidence="ECO:0000250"
FT BINDING 73
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 79
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 86
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 102..103
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 112
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT SITE 17
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000250"
SQ SEQUENCE 145 AA; 15524 MW; 79241BCE4ADFA524 CRC64;
MHVLVINGPN LNRLGKRQPE VYGSTTLADV EAMVARRADA LGVGVSFIQS NHEGELIDAV
HNAADHGWPV IINPGGFTHT SVALRDALAE IADGAGFVEV HISNVHAREP FRAHSYLSPI
ALGVIAGLGV RGYELALEFL ADRER
