ID M1MDK7_9PROT Unreviewed; 620 AA.
AC M1MDK7;
DT 01-MAY-2013, integrated into UniProtKB/TrEMBL.
DT 01-MAY-2013, sequence version 1.
DT 24-JAN-2024, entry version 63.
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=BCUE_0626 {ECO:0000313|EMBL:AGF49805.1};
OS Candidatus Kinetoplastibacterium blastocrithidii TCC012E.
OC Bacteria; Pseudomonadota; Betaproteobacteria;
OC Candidatus Kinetoplastibacterium.
OX NCBI_TaxID=1208922 {ECO:0000313|EMBL:AGF49805.1, ECO:0000313|Proteomes:UP000011563};
RN [1] {ECO:0000313|EMBL:AGF49805.1, ECO:0000313|Proteomes:UP000011563}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TCC012E {ECO:0000313|EMBL:AGF49805.1,
RC ECO:0000313|Proteomes:UP000011563};
RX PubMed=23345457;
RA Alves J.M., Serrano M.G., Maia da Silva F., Voegtly L.J., Matveyev A.V.,
RA Teixeira M.M., Camargo E.P., Buck G.A.;
RT "Genome evolution and phylogenomic analysis of candidatus
RT kinetoplastibacterium, the betaproteobacterial endosymbionts of strigomonas
RT and angomonas.";
RL Genome Biol. Evol. 5:338-350(2013).
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; CP003807; AGF49805.1; -; Genomic_DNA.
DR RefSeq; WP_015238053.1; NC_020285.1.
DR AlphaFoldDB; M1MDK7; -.
DR KEGG; kbt:BCUE_0626; -.
DR PATRIC; fig|1208922.3.peg.359; -.
DR HOGENOM; CLU_009227_1_4_4; -.
DR UniPathway; UPA00064; UER00091.
DR Proteomes; UP000011563; 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; IPR005474; Transketolase_N.
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:UP000011563};
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 31..50
FT /note="Transketolase signature 1"
FT /evidence="ECO:0000259|PROSITE:PS00801"
FT BINDING 75
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 116..118
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 147
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 148..149
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 620 AA; 68275 MW; 87CEA3857564CCA3 CRC64;
MTINLLDCIS SPCDLKKLNT TELTSLAKDI RREILELVSK TGGHLSSNLG VVELTLAIHY
VFNAPKDRII WDVGHQSYVH KILTGRRELM STLRQYNGIS GFPNRSESCY DAFGTAHSST
SISAALGMAF AAKELNIIRN NIAIIGDGAI SSGMAFEAMN NAGNIKDINL IVILNDNHMS
ISQPVGSLNN YFSQLMDGRF YAKAKNVGKV VLRHIPSVLK LAKSFESHAK DIIKTSIIFE
EFGFRYFGPI NGHNIDDLIS ELNIVNSYQG LKFLHIVTKK GKGYKLAEKD PILYHGPGKF
NINTGIKLPQ KNITKTFTNI FSEWICDMAR SDSKLIAITP AMSEGSGLVK FEELYPERYF
DVGISEQHAI TFAAGMSCDG LKPVVAIYST FLQRGYDQFI HDICIQGLDV TLALDRAGIV
GADGPTHAGN YDISFLRCIP GIVIATPSDE NEERILLNTC YKYQGPASVR YPRGSIFGVE
MDMDLSVVEI GKGVIRRIGK NIAILCFGTL LQKALDVADI LNTSVVDMRF VKPIDYEMII
DISKNHKAIV TIEDSSIMGG AGSAVLETLQ KFNLLIPVLQ LGIPDCFIAH GDTNILMSSI
GLDVYGIENS IRSRFYNLID
//