ID   AROB_PROMS              Reviewed;         363 AA.
AC   A2BQG2;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 92.
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=A9601_07371;
OS   Prochlorococcus marinus (strain AS9601).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=146891;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AS9601;
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; CP000551; ABM70023.1; -; Genomic_DNA.
DR   RefSeq; WP_011818185.1; NC_008816.1.
DR   AlphaFoldDB; A2BQG2; -.
DR   SMR; A2BQG2; -.
DR   STRING; 146891.A9601_07371; -.
DR   PRIDE; A2BQG2; -.
DR   EnsemblBacteria; ABM70023; ABM70023; A9601_07371.
DR   KEGG; pmb:A9601_07371; -.
DR   eggNOG; COG0337; Bacteria.
DR   HOGENOM; CLU_001201_0_2_3; -.
DR   OMA; YGVIWDA; -.
DR   OrthoDB; 1677032at2; -.
DR   UniPathway; UPA00053; UER00085.
DR   Proteomes; UP000002590; 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: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   HAMAP; MF_00110; DHQ_synthase; 1.
DR   InterPro; IPR016037; DHQ_synth_AroB.
DR   InterPro; IPR030963; DHQ_synth_fam.
DR   InterPro; IPR030960; DHQS/DOIS.
DR   Pfam; PF01761; DHQ_synthase; 1.
DR   PIRSF; PIRSF001455; DHQ_synth; 1.
DR   TIGRFAMs; TIGR01357; aroB; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aromatic amino acid biosynthesis; Cobalt;
KW   Cytoplasm; Lyase; Metal-binding; NAD; Nucleotide-binding; Zinc.
FT   CHAIN           1..363
FT                   /note="3-dehydroquinate synthase"
FT                   /id="PRO_1000094567"
FT   BINDING         134..135
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT   BINDING         147
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT   BINDING         156
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT   BINDING         189
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT   BINDING         254
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT   BINDING         271
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
SQ   SEQUENCE   363 AA;  40725 MW;  B28C4E846D6E9F49 CRC64;
     MNKRKILVPL GDKSYEVTLE AGILNNISEE LLKIGITKKR KILVISNEEI SNLYGEKFLN
     NLKDNKFQAK MFLIKAGESY KNLKTLSEIY DVAFEFGLDR NSIIIALGGG IVGDVSGFAA
     ATWLRGIEYI QIPTTLLSMV DSSVGGKTGV NHPKGKNLIG AFNQPKAVFI DPETLKSLPK
     REFSAGMAEV IKYGVIRDKE LFEYLEIEKN KNELINLKNE YLIKIINSSI KTKSNVVSQD
     EHENGVRAIL NYGHSFGHVI ENLCGYGKFL HGEAISIGMN IAGKIAIEKG LWSKEELERQ
     RILLESYDLP TEIPKINKED VLTILMGDKK VRDGKMRFIL PKEIGAVDIY DDVEDSLFLK
     FFS