ID AROB_PROM4 Reviewed; 370 AA.
AC A9BA66;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 15-JAN-2008, sequence version 1.
DT 27-MAR-2024, entry version 90.
DE RecName: Full=3-dehydroquinate synthase {ECO:0000255|HAMAP-Rule:MF_00110};
DE Short=DHQS {ECO:0000255|HAMAP-Rule:MF_00110};
DE EC=4.2.3.4 {ECO:0000255|HAMAP-Rule:MF_00110};
GN Name=aroB {ECO:0000255|HAMAP-Rule:MF_00110}; OrderedLocusNames=P9211_07971;
OS Prochlorococcus marinus (strain MIT 9211).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales;
OC Prochlorococcaceae; Prochlorococcus.
OX NCBI_TaxID=93059;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9211;
RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA Richardson P., Chisholm S.W.;
RT "Patterns and implications of gene gain and loss in the evolution of
RT Prochlorococcus.";
RL PLoS Genet. 3:2515-2528(2007).
CC -!- FUNCTION: Catalyzes the conversion of 3-deoxy-D-arabino-heptulosonate
CC 7-phosphate (DAHP) to dehydroquinate (DHQ). {ECO:0000255|HAMAP-
CC Rule:MF_00110}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate = 3-
CC dehydroquinate + phosphate; Xref=Rhea:RHEA:21968, ChEBI:CHEBI:32364,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58394; EC=4.2.3.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC -!- COFACTOR:
CC Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC Note=Binds 1 divalent metal cation per subunit. Can use either Co(2+)
CC or Zn(2+). {ECO:0000255|HAMAP-Rule:MF_00110};
CC -!- COFACTOR:
CC Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC 2/7. {ECO:0000255|HAMAP-Rule:MF_00110}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00110}.
CC -!- SIMILARITY: Belongs to the sugar phosphate cyclases superfamily.
CC Dehydroquinate synthase family. {ECO:0000255|HAMAP-Rule:MF_00110}.
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DR EMBL; CP000878; ABX08728.1; -; Genomic_DNA.
DR AlphaFoldDB; A9BA66; -.
DR SMR; A9BA66; -.
DR STRING; 93059.P9211_07971; -.
DR KEGG; pmj:P9211_07971; -.
DR eggNOG; COG0337; Bacteria.
DR HOGENOM; CLU_001201_0_2_3; -.
DR OrthoDB; 9806583at2; -.
DR UniPathway; UPA00053; UER00085.
DR Proteomes; UP000000788; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003856; F:3-dehydroquinate synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR GO; GO:0008652; P:amino acid biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0009073; P:aromatic amino acid family biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0009423; P:chorismate biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd08195; DHQS; 1.
DR Gene3D; 3.40.50.1970; -; 1.
DR Gene3D; 1.20.1090.10; Dehydroquinate synthase-like - alpha domain; 1.
DR HAMAP; MF_00110; DHQ_synthase; 1.
DR InterPro; IPR016037; DHQ_synth_AroB.
DR InterPro; IPR030963; DHQ_synth_fam.
DR InterPro; IPR030960; DHQS/DOIS.
DR NCBIfam; TIGR01357; aroB; 1.
DR PANTHER; PTHR43622; 3-DEHYDROQUINATE SYNTHASE; 1.
DR PANTHER; PTHR43622:SF7; 3-DEHYDROQUINATE SYNTHASE, CHLOROPLASTIC; 1.
DR Pfam; PF01761; DHQ_synthase; 1.
DR PIRSF; PIRSF001455; DHQ_synth; 1.
DR SUPFAM; SSF56796; Dehydroquinate synthase-like; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Aromatic amino acid biosynthesis; Cobalt;
KW Cytoplasm; Lyase; Metal-binding; NAD; Nucleotide-binding;
KW Reference proteome; Zinc.
FT CHAIN 1..370
FT /note="3-dehydroquinate synthase"
FT /id="PRO_1000094564"
FT BINDING 112..116
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 136..137
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 149
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 158
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 176..179
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 191
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 256
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 273
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
SQ SEQUENCE 370 AA; 40958 MW; 8A3FE20FDC38F0DF CRC64;
MNQNSIRIKI KLAHNPYEVV IKKNGLARIG EELKKIGFKK ATKVLVVTNK DVSVHYGKEF
IHNLSDNGFN PTLIEIKAGE ERKNLATISD IHNAAYTSRL ERGSLMIALG GGVIGDMTGF
AAATWLRGVS FVQVPTTLLA MVDASVGGKT GVNHPKGKNL IGAFHQPKLV LIDPITLKTL
PEREFKAGMA EVIKYGVISD KKLFRKLEDA PRLDKLETLT DRFLLEIIQR SVQTKAHIVE
LDEREGGIRA VLNYGHTFGH AIEALCGYGT WLHGEAVSMG MIAIGQLALE RNIWNISDLE
RQRKVLCQAG LPTIWPRVCA EDVIEILKSD KKVKDGEINF IVPTEIGKVE IIKNFTVNEI
KQALQKLASK
//
