ID DXS_SHISS Reviewed; 620 AA.
AC Q3Z4Y9;
DT 31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT 27-SEP-2005, sequence version 1.
DT 27-MAR-2024, entry version 101.
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=SSON_0397;
OS Shigella sonnei (strain Ss046).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Shigella.
OX NCBI_TaxID=300269;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ss046;
RX PubMed=16275786; DOI=10.1093/nar/gki954;
RA Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA Jin Q.;
RT "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT bacillary dysentery.";
RL Nucleic Acids Res. 33:6445-6458(2005).
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; CP000038; AAZ87173.1; -; Genomic_DNA.
DR RefSeq; WP_000006837.1; NC_007384.1.
DR AlphaFoldDB; Q3Z4Y9; -.
DR SMR; Q3Z4Y9; -.
DR KEGG; ssn:SSON_0397; -.
DR HOGENOM; CLU_009227_1_4_6; -.
DR UniPathway; UPA00064; UER00091.
DR Proteomes; UP000002529; 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; Magnesium; Metal-binding; Reference proteome;
KW Thiamine biosynthesis; Thiamine pyrophosphate; Transferase.
FT CHAIN 1..620
FT /note="1-deoxy-D-xylulose-5-phosphate synthase"
FT /id="PRO_0000256485"
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 620 AA; 67619 MW; D8D9F728A7D5C2A6 CRC64;
MSFDIAKYPT LALVDSTQEL RLLPKESLPK LCDELRRYLL DSVSRSSGHF ASGLGTVELT
VALHYVYNTP FDQLIWDVGH QAYPHKILTG RRDKIGTIRQ KGGLHPFPWR GESEYDVLSV
GHSSTSISAG IGIAVTAEKE GKNRRTVCVI GDGAITAGMA FEAMNHAGDI RPDMLVVLND
NEMSISENVG ALNNHLAQLL SGKLYSSLRE GGKKVFSGVP PIKELLKRTE EHIKGMVVPG
TLFEELGFNY IGPVDGHDVL GLITTLKNMR DLKGPQFLHI MTKKGRGYEP AEKDPITFHA
VPKFDPSSGC LPKSSGGLPS YSKIFGDWLC ETAAKDNKLM AITPAMREGS GMVEFSRKFP
DRYFDVAIAE QHAVTFAAGL AIGGYKPIVA IYSTFLQRAY DQVLHDVAIQ KLPVLFAIDR
AGIVGADGQT HQGAFDLSYL RCIPEMVIMT PSDENECRQM LYTGYHYNDG PSAVRYPRGN
AVGVELTPLE KLPIGKGIVK RRGEKLAILN FGTLMPDAAK VAESLNATLV DMRFVKPLDE
ALILEMAASH EALVTVEENA IMGGAGSGVN EVLMAHRKPV PVLNIGLPDF FIPQGTQEEM
RAELGLDAAG MEAKIKAWLA
//
