ID A0A0U5B4I9_9BACT Unreviewed; 623 AA.
AC A0A0U5B4I9;
DT 16-MAR-2016, integrated into UniProtKB/TrEMBL.
DT 16-MAR-2016, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=1-deoxy-D-xylulose-5-phosphate synthase {ECO:0000256|HAMAP-Rule:MF_00315};
DE EC=2.2.1.7 {ECO:0000256|HAMAP-Rule:MF_00315};
DE AltName: Full=1-deoxyxylulose-5-phosphate synthase {ECO:0000256|HAMAP-Rule:MF_00315};
DE Short=DXP synthase {ECO:0000256|HAMAP-Rule:MF_00315};
DE Short=DXPS {ECO:0000256|HAMAP-Rule:MF_00315};
GN Name=dxs {ECO:0000256|HAMAP-Rule:MF_00315};
GN ORFNames=THC_0582 {ECO:0000313|EMBL:BAU22976.1};
OS Caldimicrobium thiodismutans.
OC Bacteria; Thermodesulfobacteriota; Thermodesulfobacteria;
OC Thermodesulfobacteriales; Thermodesulfobacteriaceae; Caldimicrobium.
OX NCBI_TaxID=1653476 {ECO:0000313|EMBL:BAU22976.1, ECO:0000313|Proteomes:UP000068196};
RN [1] {ECO:0000313|EMBL:BAU22976.1, ECO:0000313|Proteomes:UP000068196}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TF1 {ECO:0000313|EMBL:BAU22976.1,
RC ECO:0000313|Proteomes:UP000068196};
RX PubMed=26842785; DOI=10.1099/ijsem.0.000947;
RA Kojima H., Umezawa K., Fukui M.;
RT "Caldimicrobium thiodismutans sp. nov., a sulfur-disproportionating
RT bacterium isolated from a hot spring, and emended description of the genus
RT Caldimicrobium.";
RL Int. J. Syst. Evol. Microbiol. 66:1828-1831(2016).
RN [2] {ECO:0000313|Proteomes:UP000068196}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TF1 {ECO:0000313|Proteomes:UP000068196};
RA Kojima H., Umezawa K., Fukui M.;
RT "Caldimicrobium thiodismutans sp. nov., a sulfur-disproportionating
RT bacterium isolated from a hot spring.";
RL Int. J. Syst. Evol. Microbiol. 0:0-0(2016).
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:0000256|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:0000256|HAMAP-
CC Rule:MF_00315};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00315};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000256|HAMAP-Rule:MF_00315};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00315};
CC Note=Binds 1 thiamine pyrophosphate per subunit. {ECO:0000256|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.
CC {ECO:0000256|ARBA:ARBA00004980, ECO:0000256|HAMAP-Rule:MF_00315}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_00315}.
CC -!- SIMILARITY: Belongs to the transketolase family. DXPS subfamily.
CC {ECO:0000256|ARBA:ARBA00011081, ECO:0000256|HAMAP-Rule:MF_00315}.
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DR EMBL; AP014945; BAU22976.1; -; Genomic_DNA.
DR RefSeq; WP_068513068.1; NZ_AP014945.1.
DR AlphaFoldDB; A0A0U5B4I9; -.
DR STRING; 1653476.THC_0582; -.
DR KEGG; cthi:THC_0582; -.
DR PATRIC; fig|1653476.3.peg.601; -.
DR OrthoDB; 9803371at2; -.
DR UniPathway; UPA00064; UER00091.
DR Proteomes; UP000068196; 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 CDD; cd07033; TPP_PYR_DXS_TK_like; 1.
DR Gene3D; 3.40.50.920; -; 1.
DR Gene3D; 3.40.50.970; -; 2.
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; IPR049557; Transketolase_CS.
DR NCBIfam; TIGR00204; dxs; 1.
DR PANTHER; PTHR43322; 1-D-DEOXYXYLULOSE 5-PHOSPHATE SYNTHASE-RELATED; 1.
DR PANTHER; PTHR43322:SF5; 1-DEOXY-D-XYLULOSE-5-PHOSPHATE SYNTHASE, CHLOROPLASTIC; 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; Thiamin diphosphate-binding fold (THDP-binding); 2.
DR SUPFAM; SSF52922; TK C-terminal domain-like; 1.
DR PROSITE; PS00801; TRANSKETOLASE_1; 1.
DR PROSITE; PS00802; TRANSKETOLASE_2; 1.
PE 3: Inferred from homology;
KW Isoprene biosynthesis {ECO:0000256|ARBA:ARBA00023229, ECO:0000256|HAMAP-
KW Rule:MF_00315};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00315};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00315}; Reference proteome {ECO:0000313|Proteomes:UP000068196};
KW Thiamine biosynthesis {ECO:0000256|ARBA:ARBA00022977, ECO:0000256|HAMAP-
KW Rule:MF_00315};
KW Thiamine pyrophosphate {ECO:0000256|ARBA:ARBA00023052, ECO:0000256|HAMAP-
KW Rule:MF_00315};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00315}.
FT DOMAIN 315..479
FT /note="Transketolase-like pyrimidine-binding"
FT /evidence="ECO:0000259|SMART:SM00861"
FT BINDING 73
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 114..116
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 145
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 146..147
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 174
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 174
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 284
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 366
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
SQ SEQUENCE 623 AA; 68281 MW; F35DDCE4ACE21690 CRC64;
MSLLSKIEGP EDLKKLKPSQ LKLLAEEIRK LILDVVSKNG GHLAPNLGVV ELTLALHYVF
DTPKDKIIWD VGHQCYTHKI LTGRRDAFKT LRTFQGLAGF PKRAESPYDV LDTGHSSTSI
SAGLGMAVAR RIKGETGKII VVIGDGSITA GMAFEALNNT GYLREDLLII LNDNEMSISP
NVGALSSFVS KRMTGNLARF IKKEIEKIVP RLPGGDNLLH IFKKGEDLLK MAVTPGALFT
ALNFEYVGPV DGHDLDTLIE ILKNLKELKG PIIFHVVTKK GKGYPPAEAD PETFHGIGPF
NLETGRPLKS EGAPPSYTEV FGDTLVKLAE LEPRLIAITA AMKSGTGLKK FAQKYPDRFF
DVGICEQHAV TFAAGLALEG FIPVCAIYST FLQRAYDQII HDVALNKAKV IFAIDRAGLV
GEDGPTHHGA FDLSYLRPIP DLIICAPKDE KELRNLLFSA LKYEGPCAIR YPRGEAIGVK
IDENFSFIPS GKAEVLKEGK DGAIFAIGSM CYPALKAGEE LEKKGFSVAV INVRFLKPLD
RELLLEYAKK TGKVLVVEEN SILGGLRSSV SELLLEEGIY VKFGYLGLPD HFVEQGDLKT
LRKKYGLSTE KIIEKFVNLV GNY
//
