ID B8KWB8_9GAMM Unreviewed; 641 AA.
AC B8KWB8;
DT 03-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 03-MAR-2009, sequence version 1.
DT 27-MAR-2024, entry version 79.
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:EED34559.1};
GN ORFNames=NOR51B_496 {ECO:0000313|EMBL:EED34559.1};
OS Luminiphilus syltensis NOR5-1B.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales; Halieaceae;
OC Luminiphilus.
OX NCBI_TaxID=565045 {ECO:0000313|EMBL:EED34559.1, ECO:0000313|Proteomes:UP000004699};
RN [1] {ECO:0000313|Proteomes:UP000004699}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NOR51-B {ECO:0000313|Proteomes:UP000004699};
RX PubMed=23705883;
RA Spring S., Riedel T., Sproer C., Yan S., Harder J., Fuchs B.M.;
RT "Taxonomy and evolution of bacteriochlorophyll a-containing members of the
RT OM60/NOR5 clade of marine gammaproteobacteria: description of Luminiphilus
RT syltensis gen. nov., sp. nov., reclassification of Haliea rubra as
RT Pseudohaliea rubra gen. nov., comb. nov., and emendation of Chromatocurvus
RT halotolerans.";
RL BMC Microbiol. 13:118-118(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; DS999411; EED34559.1; -; Genomic_DNA.
DR RefSeq; WP_009019307.1; NZ_DS999411.1.
DR AlphaFoldDB; B8KWB8; -.
DR STRING; 565045.NOR51B_496; -.
DR eggNOG; COG1154; Bacteria.
DR HOGENOM; CLU_009227_1_4_6; -.
DR OrthoDB; 9803371at2; -.
DR UniPathway; UPA00064; UER00091.
DR Proteomes; UP000004699; 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; 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:UP000004699};
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 326..490
FT /note="Transketolase-like pyrimidine-binding"
FT /evidence="ECO:0000259|SMART:SM00861"
FT BINDING 85
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 126..128
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 157
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 158..159
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 186
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 186
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 293
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
FT BINDING 377
FT /ligand="thiamine diphosphate"
FT /ligand_id="ChEBI:CHEBI:58937"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00315"
SQ SEQUENCE 641 AA; 68886 MW; F134F6B3BD7F73C7 CRC64;
MQDQLPTTTP DTPLLEALES QQLDIRQLTE PQLLSLADEV RRFLLFTVSQ TGGHFGAGLG
VVELTIALHH VLNTPHDRIV WDVGHQTYPH KILTGRRAQM HTMRQAGGLS GFPKRSESPF
DTFGVGHSST SVSAGMGMAL AATQQGIKRR TVAVIGDGAI TGGMAFEALA HAGHVRPNLL
IVLNDNQMSI GHNTGGLATY FAKIWASRAY ISLREGSKKL LENVRTAWEV AKRTEEHMKS
MVAPGTLFEE LGFNYIGPLD GHDLPQLVQA LGNMTELSGP QLLHIRTVKG KGYSPAEADP
VGYHALNKLE KSDPSVPPKP PMPKPPKYQD VFGQWLCDIA AVDPLLIGIT PAMCEGSGMV
TFARDFPDRY YDVAIAEQHA VTLAAGMACD GLKPVVAIYS TFLQRAYDQL IHDVALQELD
VTFALDRAGL VGQDGATHHG VFDLSYLRCV PNMIIAAPAD ENECRQLLYT AYQHPGAAAV
RYPRGNGIGV PIESEMSVLP VGKGRRVREG EAIAIVNFGV LLPEALVAAE QLNATVVDMR
WVKPLDEALL EALASTHELL ITVEENMIAG GAGSGVAEWL AANGLQCRIK HVGIGDEFIE
QASQQQNRDM AGLNAAAILD AAAPTAPVAA AADNPSLQAI H
//
