AROB_SYNP2
ID AROB_SYNP2 Reviewed; 365 AA.
AC B1XKA0;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, 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};
GN OrderedLocusNames=SYNPCC7002_A1146;
OS Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6) (Agmenellum
OS quadruplicatum).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC unclassified Synechococcus.
OX NCBI_TaxID=32049;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27264 / PCC 7002 / PR-6;
RA Li T., Zhao J., Zhao C., Liu Z., Zhao F., Marquardt J., Nomura C.T.,
RA Persson S., Detter J.C., Richardson P.M., Lanz C., Schuster S.C., Wang J.,
RA Li S., Huang X., Cai T., Yu Z., Luo J., Zhao J., Bryant D.A.;
RT "Complete sequence of Synechococcus sp. PCC 7002.";
RL Submitted (FEB-2008) 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; CP000951; ACA99146.1; -; Genomic_DNA.
DR RefSeq; WP_012306769.1; NC_010475.1.
DR AlphaFoldDB; B1XKA0; -.
DR SMR; B1XKA0; -.
DR STRING; 32049.SYNPCC7002_A1146; -.
DR EnsemblBacteria; ACA99146; ACA99146; SYNPCC7002_A1146.
DR KEGG; syp:SYNPCC7002_A1146; -.
DR eggNOG; COG0337; Bacteria.
DR HOGENOM; CLU_001201_0_2_3; -.
DR OMA; YGVIWDA; -.
DR UniPathway; UPA00053; UER00085.
DR Proteomes; UP000001688; 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;
KW Reference proteome; Zinc.
FT CHAIN 1..365
FT /note="3-dehydroquinate synthase"
FT /id="PRO_1000094645"
FT BINDING 107..111
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 131..132
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 144
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 153
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 186
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 251
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 268
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
SQ SEQUENCE 365 AA; 39526 MW; 1BB71A2D05ED8A3F CRC64;
MDATTRVELG ENSYDIAIAK ESLQQIGTFL RPLDLGQKVL IVSNPEIYGH YGETVVNSLQ
AAGFSVDTHL IPAGEQYKNL ASIEKIYDTA FKNRLERSST LLALGGGVIG DMTGFAAATW
LRGINFVQVP TTLLAMVDAS VGGKTGVNHP QGKNLIGAFY QPKFVLIDPT VLKTLPVREF
RAGMAEVIKY GVIWDADLFT KLEAAEQIDS YATIDPDLLD LILERSCRAK AEVVSQDERE
SGLRAILNYG HTLGHAVESL THYETFVHGE GVAIGMALAG AIATRMNLWT TAETQRQDAL
IKKAGLPTEC PNNLAIEAIL ETLQSDKKVK SGKVRFVLPT KIGEVLITDQ VSADLITDVL
APALC
