ID A0A1A8XK54_9PROT Unreviewed; 630 AA.
AC A0A1A8XK54;
DT 05-OCT-2016, integrated into UniProtKB/TrEMBL.
DT 05-OCT-2016, sequence version 1.
DT 27-MAR-2024, entry version 31.
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 ECO:0000313|EMBL:SBT05515.1};
GN ORFNames=ACCAA_220024 {ECO:0000313|EMBL:SBT05515.1};
OS Candidatus Accumulibacter aalborgensis.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Candidatus Accumulibacter.
OX NCBI_TaxID=1860102 {ECO:0000313|EMBL:SBT05515.1, ECO:0000313|Proteomes:UP000199169};
RN [1] {ECO:0000313|EMBL:SBT05515.1, ECO:0000313|Proteomes:UP000199169}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3 {ECO:0000313|EMBL:SBT05515.1};
RA Kjaerup R.B., Dalgaard T.S., Juul-Madsen H.R.;
RL Submitted (JUN-2016) 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: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; FLQX01000097; SBT05515.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1A8XK54; -.
DR STRING; 1860102.ACCAA_220024; -.
DR UniPathway; UPA00064; UER00091.
DR Proteomes; UP000199169; Unassembled WGS sequence.
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; 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.
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:UP000199169};
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 76
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 117..119
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 148
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 149..150
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 177
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 177
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 630 AA; 67684 MW; 0F1B0E8325470E0F CRC64;
MTRYPLLDTI SDPAQVRKLD RRQLPQLADE LRAFLVESVS RTGGHLSSNL GTVELTVALH
HVFDTPHDRL VWDVGHQTYA HKVLTGRRTG MAKLRMHGGV SGFPKRSESC YDTFGVGHSS
TSISAALGMA IAAKIKGETR KVVAIIGDGA MSAGQAFEAL NNAGVADADM LVVLNDNDMS
ISPPVGALNR YLARLFSGST FNAARKAGEK ILDFSPSLRE FAKRAEEHVK GMLTPGTLFE
ELGLNYIGPI DGHDLESLVP TLQNLKHLKG PQFLHVITKK GQGYKLAEAD PILYHGVSKF
KPEVGIAGGP SGAKPSYTQI FGDWLCDMAA ADPRLVGITP AMREGSGLLR FSERYPQRYY
DVGIAEQHAV TFAAGLACEG LRPVLAIYST FLQRGYDQLV HDVALQNLPV VFALDRGGLV
GADGPTHHGA FDLTFLTCIP NMVIMTPSDE DECRKMLTTA YRRDGPSAVR YPRGNGPGVA
IDKDLVGLAL GKGEIRRRGR GVALLAFGSM LTPALTAAEE IDATVANMRF VKPIDRDLII
ALAAEHSLLV SVEESAVIGG AGSEVERVLA EIASPARLLR LGIPDHFIEH GDQTLLLASI
GLDPDGIIAA IRARPNLAAD AEQQMDPSSE
//
