DXS1_ROSDO
ID DXS1_ROSDO Reviewed; 645 AA.
AC Q16DV7;
DT 31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT 25-JUL-2006, sequence version 1.
DT 03-AUG-2022, entry version 95.
DE RecName: Full=1-deoxy-D-xylulose-5-phosphate synthase 1 {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 1 {ECO:0000255|HAMAP-Rule:MF_00315};
DE Short=DXP synthase 1 {ECO:0000255|HAMAP-Rule:MF_00315};
DE Short=DXPS 1 {ECO:0000255|HAMAP-Rule:MF_00315};
GN Name=dxs1 {ECO:0000255|HAMAP-Rule:MF_00315}; OrderedLocusNames=RD1_0101;
OS Roseobacter denitrificans (strain ATCC 33942 / OCh 114) (Erythrobacter sp.
OS (strain OCh 114)) (Roseobacter denitrificans).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Roseobacter.
OX NCBI_TaxID=375451;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33942 / OCh 114;
RX PubMed=17098896; DOI=10.1128/jb.01390-06;
RA Swingley W.D., Sadekar S., Mastrian S.D., Matthies H.J., Hao J., Ramos H.,
RA Acharya C.R., Conrad A.L., Taylor H.L., Dejesa L.C., Shah M.K.,
RA O'Huallachain M.E., Lince M.T., Blankenship R.E., Beatty J.T.,
RA Touchman J.W.;
RT "The complete genome sequence of Roseobacter denitrificans reveals a
RT mixotrophic rather than photosynthetic metabolism.";
RL J. Bacteriol. 189:683-690(2007).
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; CP000362; ABG29836.1; -; Genomic_DNA.
DR RefSeq; WP_011566458.1; NZ_FOOO01000011.1.
DR AlphaFoldDB; Q16DV7; -.
DR SMR; Q16DV7; -.
DR STRING; 375451.RD1_0101; -.
DR EnsemblBacteria; ABG29836; ABG29836; RD1_0101.
DR KEGG; rde:RD1_0101; -.
DR eggNOG; COG1154; Bacteria.
DR HOGENOM; CLU_009227_1_4_5; -.
DR OMA; FAPQGMF; -.
DR OrthoDB; 566385at2; -.
DR UniPathway; UPA00064; UER00091.
DR Proteomes; UP000007029; Chromosome.
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; IPR000399; TPP-bd_CS.
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; Reference proteome;
KW Thiamine biosynthesis; Thiamine pyrophosphate; Transferase.
FT CHAIN 1..645
FT /note="1-deoxy-D-xylulose-5-phosphate synthase 1"
FT /id="PRO_0000256478"
FT REGION 1..20
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 78
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT BINDING 119..121
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT BINDING 150
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT BINDING 151..152
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT BINDING 179
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT BINDING 179
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT BINDING 291
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
FT BINDING 373
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00315"
SQ SEQUENCE 645 AA; 67788 MW; 40CB2BCB726E55C1 CRC64;
MTDTKTPTLD RVAGPADLRS MSDTELRNVA DELRAEVVEA VSQTGGHLGS SLGVVELSVA
IHAVFDTPRD KLVWDVGHQC YPHKILTGRR KQMPTLRQGG GISGFTKRSE SEYDPFGAAH
SSTSISAALG FTISRDMGQP TGDAVAVIGD GSISAGMAYE AMNNAGHEGR RMFVILNDNE
MSIAPPVGAM SSYLSSLSEL SRAGPFGGLV AIAEGMEQLA PKPVRDGARR ARELVTGLEN
RGTFFEELGF DYIGPIDGHD MAQLLSVLRG AKARATGPVL IHCCTVKGKG YAPAEGSADK
YHGVSKFDVG TGVQAKAKAN APSYTAVFGD ALTTLAEEDP SVVAVTAAMP SGTGVDRMAK
RFPNRVFDVG IAEQHGVTFA AAMAATGLKP FCAIYSTFLQ RGYDQIVHDV ALQGLPVRFA
IDRAGLVGAD GATHAGSFDI GYLGALPGMV VMAAADEAEL VHMVATAGAH NDGPIAFRYP
RGNGTGVPLP ETGRVLEIGK GRMIREGDGE VAILSLGTLL SDCEAAARIL EAEGINATIA
DARFAKPLDM ALIANLVQTH KALITVEQGA MAGFGAMVLQ SMAAEGLLDL GCKVRTMCLP
DRFIDQAAPA EMYRDAGLDT MGIVEQVTRV LGRDLKVVTL NAKRR
