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DXS_VIBC1
ID   DXS_VIBC1               Reviewed;         621 AA.
AC   A7MYC6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   02-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 92.
DE   RecName: Full=1-deoxy-D-xylulose-5-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00315};
DE            EC=2.2.1.7 {ECO:0000255|HAMAP-Rule:MF_00315};
DE   AltName: Full=1-deoxyxylulose-5-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00315};
DE            Short=DXP synthase {ECO:0000255|HAMAP-Rule:MF_00315};
DE            Short=DXPS {ECO:0000255|HAMAP-Rule:MF_00315};
GN   Name=dxs {ECO:0000255|HAMAP-Rule:MF_00315}; OrderedLocusNames=VIBHAR_01173;
OS   Vibrio campbellii (strain ATCC BAA-1116).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=2902295;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1116 / BB120;
RG   The Vibrio harveyi Genome Sequencing Project;
RA   Bassler B., Clifton S.W., Fulton L., Delehaunty K., Fronick C.,
RA   Harrison M., Markivic C., Fulton R., Tin-Wollam A.-M., Shah N., Pepin K.,
RA   Nash W., Thiruvilangam P., Bhonagiri V., Waters C., Tu K.C., Irgon J.,
RA   Wilson R.K.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the acyloin condensation reaction between C atoms 2
CC       and 3 of pyruvate and glyceraldehyde 3-phosphate to yield 1-deoxy-D-
CC       xylulose-5-phosphate (DXP). {ECO:0000255|HAMAP-Rule:MF_00315}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-glyceraldehyde 3-phosphate + H(+) + pyruvate = 1-deoxy-D-
CC         xylulose 5-phosphate + CO2; Xref=Rhea:RHEA:12605, ChEBI:CHEBI:15361,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:57792,
CC         ChEBI:CHEBI:59776; EC=2.2.1.7; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00315};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00315};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00315};
CC   -!- COFACTOR:
CC       Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00315};
CC       Note=Binds 1 thiamine pyrophosphate per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00315};
CC   -!- PATHWAY: Metabolic intermediate biosynthesis; 1-deoxy-D-xylulose 5-
CC       phosphate biosynthesis; 1-deoxy-D-xylulose 5-phosphate from D-
CC       glyceraldehyde 3-phosphate and pyruvate: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_00315}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00315}.
CC   -!- SIMILARITY: Belongs to the transketolase family. DXPS subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00315}.
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DR   EMBL; CP000789; ABU70163.1; -; Genomic_DNA.
DR   RefSeq; WP_012127162.1; NC_022269.1.
DR   AlphaFoldDB; A7MYC6; -.
DR   SMR; A7MYC6; -.
DR   EnsemblBacteria; ABU70163; ABU70163; VIBHAR_01173.
DR   KEGG; vha:VIBHAR_01173; -.
DR   PATRIC; fig|338187.25.peg.1456; -.
DR   OMA; QVGYHAQ; -.
DR   OrthoDB; 566385at2; -.
DR   UniPathway; UPA00064; UER00091.
DR   Proteomes; UP000008152; Chromosome I.
DR   GO; GO:0008661; F:1-deoxy-D-xylulose-5-phosphate synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0030976; F:thiamine pyrophosphate binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0052865; P:1-deoxy-D-xylulose 5-phosphate biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0016114; P:terpenoid biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009228; P:thiamine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02007; TPP_DXS; 1.
DR   Gene3D; 3.40.50.920; -; 1.
DR   HAMAP; MF_00315; DXP_synth; 1.
DR   InterPro; IPR005477; Dxylulose-5-P_synthase.
DR   InterPro; IPR029061; THDP-binding.
DR   InterPro; IPR009014; Transketo_C/PFOR_II.
DR   InterPro; IPR005475; Transketolase-like_Pyr-bd.
DR   InterPro; IPR020826; Transketolase_BS.
DR   InterPro; IPR033248; Transketolase_C.
DR   InterPro; IPR005474; Transketolase_N.
DR   PANTHER; PTHR43322; PTHR43322; 1.
DR   Pfam; PF13292; DXP_synthase_N; 1.
DR   Pfam; PF02779; Transket_pyr; 1.
DR   Pfam; PF02780; Transketolase_C; 1.
DR   SMART; SM00861; Transket_pyr; 1.
DR   SUPFAM; SSF52518; SSF52518; 2.
DR   SUPFAM; SSF52922; SSF52922; 1.
DR   TIGRFAMs; TIGR00204; dxs; 1.
DR   PROSITE; PS00801; TRANSKETOLASE_1; 1.
DR   PROSITE; PS00802; TRANSKETOLASE_2; 1.
PE   3: Inferred from homology;
KW   Isoprene biosynthesis; Magnesium; Metal-binding; Thiamine biosynthesis;
KW   Thiamine pyrophosphate; Transferase.
FT   CHAIN           1..621
FT                   /note="1-deoxy-D-xylulose-5-phosphate synthase"
FT                   /id="PRO_1000019091"
FT   BINDING         80
FT                   /ligand="thiamine diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58937"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT   BINDING         121..123
FT                   /ligand="thiamine diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58937"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT   BINDING         152
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT   BINDING         153..154
FT                   /ligand="thiamine diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58937"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT   BINDING         181
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT   BINDING         181
FT                   /ligand="thiamine diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58937"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT   BINDING         288
FT                   /ligand="thiamine diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58937"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT   BINDING         370
FT                   /ligand="thiamine diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58937"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
SQ   SEQUENCE   621 AA;  67643 MW;  EA1AC956BEAEDCD4 CRC64;
     MTLDISKYPT LALANTPEEL RLLPKETLPT LCDELRTYLL NSVSQSSGHL ASGLGTVELT
     VALHYVYNTP VDQLIWDVGH QAYPHKILTG RRDQMPTIRQ KDGLHPFPWR EESEYDTLSV
     GHSSTSISAG LGMAISAQKE GEGRKVVSVI GDGAITAGMA FEAMNHAGDV HPDMLVILND
     NEMSISENVG ALNNHLAKVL SGSLYTSIRE GGKKVLSGVP PIKELVRRTE EHLKGMVVPG
     TLFEELGFNY IGPIDGHDVN ELVKTLKNMR ELKGPQFLHI MTKKGKGYEP AEKDPIGYHA
     VPKFAPSNNS LPKSSGGKPN FSKIFGDFLC DMAAQDPKLM AITPAMREGS GMVRFSKEYP
     EQYFDVAIAE QHAVTLATGM AIAGDHPIVA IYSTFLQRGY DQLIHDVAIM DLPVMFAIDR
     AGLVGADGQT HQGAFDLSFM RCIPNMVIMA PSDENECRQM LYTGHKHTGP SAVRYPRGSG
     MGTDIEKDFT ALEIGKGRIV RKGEKVAILS FGTFLGNALE AAENLNATVA DMRFVKPLDE
     ALIRQLAAEH DVLVTLEENA IAGGAGAGVI EFMMQDKIIK PVLNLGLPDR FVPQGTQDEL
     HEDLGLDAKG IEKSINDYLA K
 
 
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