THIG_CLOP1
ID THIG_CLOP1 Reviewed; 254 AA.
AC Q0TQ02;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-SEP-2006, sequence version 1.
DT 03-AUG-2022, entry version 87.
DE RecName: Full=Thiazole synthase {ECO:0000255|HAMAP-Rule:MF_00443};
DE EC=2.8.1.10 {ECO:0000255|HAMAP-Rule:MF_00443};
GN Name=thiG {ECO:0000255|HAMAP-Rule:MF_00443}; OrderedLocusNames=CPF_1854;
OS Clostridium perfringens (strain ATCC 13124 / DSM 756 / JCM 1290 / NCIMB
OS 6125 / NCTC 8237 / Type A).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=195103;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 13124 / DSM 756 / JCM 1290 / NCIMB 6125 / NCTC 8237 / S 107 /
RC Type A;
RX PubMed=16825665; DOI=10.1101/gr.5238106;
RA Myers G.S.A., Rasko D.A., Cheung J.K., Ravel J., Seshadri R., DeBoy R.T.,
RA Ren Q., Varga J., Awad M.M., Brinkac L.M., Daugherty S.C., Haft D.H.,
RA Dodson R.J., Madupu R., Nelson W.C., Rosovitz M.J., Sullivan S.A.,
RA Khouri H., Dimitrov G.I., Watkins K.L., Mulligan S., Benton J., Radune D.,
RA Fisher D.J., Atkins H.S., Hiscox T., Jost B.H., Billington S.J.,
RA Songer J.G., McClane B.A., Titball R.W., Rood J.I., Melville S.B.,
RA Paulsen I.T.;
RT "Skewed genomic variability in strains of the toxigenic bacterial pathogen,
RT Clostridium perfringens.";
RL Genome Res. 16:1031-1040(2006).
CC -!- FUNCTION: Catalyzes the rearrangement of 1-deoxy-D-xylulose 5-phosphate
CC (DXP) to produce the thiazole phosphate moiety of thiamine. Sulfur is
CC provided by the thiocarboxylate moiety of the carrier protein ThiS. In
CC vitro, sulfur can be provided by H(2)S. {ECO:0000255|HAMAP-
CC Rule:MF_00443}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-deoxy-D-xylulose 5-phosphate + 2-iminoacetate + [sulfur-
CC carrier protein ThiS]-C-terminal Gly-NH-CH2-C(O)SH = 2-[(2R,5Z)-2-
CC carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate + [sulfur-
CC carrier protein ThiS]-C-terminal Gly-Gly + 2 H(+) + 2 H2O;
CC Xref=Rhea:RHEA:26297, Rhea:RHEA-COMP:12908, Rhea:RHEA-COMP:12909,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:57792,
CC ChEBI:CHEBI:62899, ChEBI:CHEBI:77846, ChEBI:CHEBI:90619,
CC ChEBI:CHEBI:90778; EC=2.8.1.10; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00443};
CC -!- PATHWAY: Cofactor biosynthesis; thiamine diphosphate biosynthesis.
CC {ECO:0000255|HAMAP-Rule:MF_00443}.
CC -!- SUBUNIT: Homotetramer. Forms heterodimers with either ThiH or ThiS.
CC {ECO:0000255|HAMAP-Rule:MF_00443}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00443}.
CC -!- SIMILARITY: Belongs to the ThiG family. {ECO:0000255|HAMAP-
CC Rule:MF_00443}.
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DR EMBL; CP000246; ABG82704.1; -; Genomic_DNA.
DR RefSeq; WP_011590908.1; NC_008261.1.
DR AlphaFoldDB; Q0TQ02; -.
DR SMR; Q0TQ02; -.
DR STRING; 195103.CPF_1854; -.
DR EnsemblBacteria; ABG82704; ABG82704; CPF_1854.
DR GeneID; 29571046; -.
DR KEGG; cpf:CPF_1854; -.
DR eggNOG; COG2022; Bacteria.
DR HOGENOM; CLU_062233_1_0_9; -.
DR OMA; PHNFQLI; -.
DR OrthoDB; 784095at2; -.
DR UniPathway; UPA00060; -.
DR Proteomes; UP000001823; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:1990107; F:thiazole synthase activity; IEA:RHEA.
DR GO; GO:0009229; P:thiamine diphosphate biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd04728; ThiG; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR HAMAP; MF_00443; ThiG; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR033983; Thiazole_synthase_ThiG.
DR InterPro; IPR008867; ThiG.
DR PANTHER; PTHR34266; PTHR34266; 1.
DR Pfam; PF05690; ThiG; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Schiff base; Thiamine biosynthesis; Transferase.
FT CHAIN 1..254
FT /note="Thiazole synthase"
FT /id="PRO_1000026001"
FT ACT_SITE 96
FT /note="Schiff-base intermediate with DXP"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
FT BINDING 157
FT /ligand="1-deoxy-D-xylulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:57792"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
FT BINDING 183..184
FT /ligand="1-deoxy-D-xylulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:57792"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
FT BINDING 205..206
FT /ligand="1-deoxy-D-xylulose 5-phosphate"
FT /ligand_id="ChEBI:CHEBI:57792"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
SQ SEQUENCE 254 AA; 27233 MW; E0419A9E82763EA7 CRC64;
MDKLIIGGVE IKNRLFVGSG KYPSNEIIKD VLEGSGSQVI TLALRRVDLD NKEEDILQNI
PKDVILLPNT SGATNAEEAI RIARIARAMG CGNWIKIEVI SDSKYLLPDN EETIKATKVL
ADEGFIVLPY MCPDLYAGRR LIEAGAAAVM PLGAPIGSNR GLKTKELIQI MIDELDIPII
VDAGIGKPSQ AMEAMEIGAA ACLVNTAIAS SEDPINMARA FKMAVEGGRL AYEAKMGRES
KFGNASSPLT GFLD
