ID AROB_MICAN Reviewed; 366 AA.
AC B0JID6;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 18-MAR-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=MAE_26120;
OS Microcystis aeruginosa (strain NIES-843 / IAM M-2473).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Microcystaceae; Microcystis.
OX NCBI_TaxID=449447;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NIES-843 / IAM M-247;
RX PubMed=18192279; DOI=10.1093/dnares/dsm026;
RA Kaneko T., Nakajima N., Okamoto S., Suzuki I., Tanabe Y., Tamaoki M.,
RA Nakamura Y., Kasai F., Watanabe A., Kawashima K., Kishida Y., Ono A.,
RA Shimizu Y., Takahashi C., Minami C., Fujishiro T., Kohara M., Katoh M.,
RA Nakazaki N., Nakayama S., Yamada M., Tabata S., Watanabe M.M.;
RT "Complete genomic structure of the bloom-forming toxic cyanobacterium
RT Microcystis aeruginosa NIES-843.";
RL DNA Res. 14:247-256(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; AP009552; BAG02434.1; -; Genomic_DNA.
DR RefSeq; WP_012265710.1; NC_010296.1.
DR AlphaFoldDB; B0JID6; -.
DR SMR; B0JID6; -.
DR STRING; 449447.MAE_26120; -.
DR PaxDb; 449447-MAE_26120; -.
DR EnsemblBacteria; BAG02434; BAG02434; MAE_26120.
DR KEGG; mar:MAE_26120; -.
DR PATRIC; fig|449447.4.peg.2393; -.
DR eggNOG; COG0337; Bacteria.
DR HOGENOM; CLU_001201_0_2_3; -.
DR BioCyc; MAER449447:MAE_RS11425-MONOMER; -.
DR UniPathway; UPA00053; UER00085.
DR Proteomes; UP000001510; 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; Zinc.
FT CHAIN 1..366
FT /note="3-dehydroquinate synthase"
FT /id="PRO_1000094546"
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 366 AA; 39224 MW; 337B346415CE5482 CRC64;
MAICIPVNLP DRSYNILIEK GSLANLGGEM SQLSLGKKVL LVSNPEIFDY YGQIAVNSLE
KAGFAVFTHL IPAGENYKTL DAIAQVYDSA LAHRLERSST MVALGGGVIG DMTGFAAATW
LRGVNFVQVP TTLLAMVDAS IGGKTGVNHP QGKNLIGAFY QPKLVLIDPD VLKTLPVREF
RAGMAEVIKY GVIWDAELFQ QLEDSDNLAS FSQIDGELLQ TIITKSCQAK ADVVSKDEKE
AGLRAILNYG HTIAHGIESL TGYTSVNHGE AVALGMVAAG AIAVKLGMWT AGENQRQTDL
IEKAALETRM PPLNADEMVN ALTADKKVKD GQVRFILPTA IGQVTISDRV TPTLVREVLS
PTESGQ
//
