ID   AROB_PROM9              Reviewed;         363 AA.
AC   Q31BK2;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 95.
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};
GN   OrderedLocusNames=PMT9312_0682;
OS   Prochlorococcus marinus (strain MIT 9312).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74546;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9312;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Thiel J., Schmutz J., Larimer F.,
RA   Land M., Kyrpides N., Lykidis A., Richardson P.;
RT   "Complete sequence of Prochlorococcus marinus str. MIT 9312.";
RL   Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000111; ABB49743.1; -; Genomic_DNA.
DR   RefSeq; WP_011376238.1; NC_007577.1.
DR   AlphaFoldDB; Q31BK2; -.
DR   SMR; Q31BK2; -.
DR   STRING; 74546.PMT9312_0682; -.
DR   EnsemblBacteria; ABB49743; ABB49743; PMT9312_0682.
DR   KEGG; pmi:PMT9312_0682; -.
DR   eggNOG; COG0337; Bacteria.
DR   HOGENOM; CLU_001201_0_2_3; -.
DR   OMA; YGVIWDA; -.
DR   OrthoDB; 1677032at2; -.
DR   UniPathway; UPA00053; UER00085.
DR   Proteomes; UP000002715; 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_0000231110"
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;  40806 MW;  D6ABE17D0C8E56E1 CRC64;
     MNKRKILVPL GNKSYEVTIE AGILNNISEE LLKIGITKNR KILVISNEEI SNFYGEKFLN
     DLKDNKFQVQ MFLIKAGESY KNLKTLSEIY DVAFEFGLDR NSIIIALGGG IVGDVSGFAA
     ATWLRGIEYI QIPTTLLSMV DSSVGGKTGV NHPKGKNLIG AFNQPKAVFI DPETLKSLPK
     REFSAGMAEV IKYGVIRDKE LFEYLEIEKN KNELINLKNE YLIKIINSSI KTKSYIVSQD
     EHENGVRAIL NYGHSFGHVI ENLCGYGKFL HGEAISIGMN IAGEIAIDKG LWSKEELERQ
     KNLLKSYDLP TEIPKINKED VLTILMGDKK VRNGKMRFIL PKEIGVVDIY DDVEDALFLK
     FFS