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THIG_BORBR
ID   THIG_BORBR              Reviewed;         265 AA.
AC   Q7WF21;
DT   19-JUL-2005, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2005, sequence version 2.
DT   03-AUG-2022, entry version 96.
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=BB4459;
OS   Bordetella bronchiseptica (strain ATCC BAA-588 / NCTC 13252 / RB50)
OS   (Alcaligenes bronchisepticus).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Alcaligenaceae; Bordetella.
OX   NCBI_TaxID=257310;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-588 / NCTC 13252 / RB50;
RX   PubMed=12910271; DOI=10.1038/ng1227;
RA   Parkhill J., Sebaihia M., Preston A., Murphy L.D., Thomson N.R.,
RA   Harris D.E., Holden M.T.G., Churcher C.M., Bentley S.D., Mungall K.L.,
RA   Cerdeno-Tarraga A.-M., Temple L., James K.D., Harris B., Quail M.A.,
RA   Achtman M., Atkin R., Baker S., Basham D., Bason N., Cherevach I.,
RA   Chillingworth T., Collins M., Cronin A., Davis P., Doggett J., Feltwell T.,
RA   Goble A., Hamlin N., Hauser H., Holroyd S., Jagels K., Leather S.,
RA   Moule S., Norberczak H., O'Neil S., Ormond D., Price C., Rabbinowitsch E.,
RA   Rutter S., Sanders M., Saunders D., Seeger K., Sharp S., Simmonds M.,
RA   Skelton J., Squares R., Squares S., Stevens K., Unwin L., Whitehead S.,
RA   Barrell B.G., Maskell D.J.;
RT   "Comparative analysis of the genome sequences of Bordetella pertussis,
RT   Bordetella parapertussis and Bordetella bronchiseptica.";
RL   Nat. Genet. 35:32-40(2003).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAE34822.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; BX640450; CAE34822.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_033446412.1; NC_002927.3.
DR   AlphaFoldDB; Q7WF21; -.
DR   SMR; Q7WF21; -.
DR   STRING; 257310.BB4459; -.
DR   EnsemblBacteria; CAE34822; CAE34822; BB4459.
DR   GeneID; 56477042; -.
DR   GeneID; 66440434; -.
DR   KEGG; bbr:BB4459; -.
DR   eggNOG; COG2022; Bacteria.
DR   HOGENOM; CLU_062233_1_1_4; -.
DR   UniPathway; UPA00060; -.
DR   Proteomes; UP000001027; 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..265
FT                   /note="Thiazole synthase"
FT                   /id="PRO_0000162792"
FT   ACT_SITE        103
FT                   /note="Schiff-base intermediate with DXP"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
FT   BINDING         164
FT                   /ligand="1-deoxy-D-xylulose 5-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:57792"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
FT   BINDING         190..191
FT                   /ligand="1-deoxy-D-xylulose 5-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:57792"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
FT   BINDING         212..213
FT                   /ligand="1-deoxy-D-xylulose 5-phosphate"
FT                   /ligand_id="ChEBI:CHEBI:57792"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00443"
SQ   SEQUENCE   265 AA;  28164 MW;  6988F3F3795EDA58 CRC64;
     MTTEDTLTIA GRSYQSRLLV GTGKYQDFAQ TRAALDASGT QIVTVAIRRT NIGQNPDEPS
     LLDFVPPSQF TLLPNTAGCY SADDAVRTLR LARELLDGHD LVKLEVLGDP QNLFPNMPET
     LKATRTLVDE GFKVMVYCTD DPIQCRMLED LGAVAVMPLA SLIGSGMGIL NPWNLRLIID
     QSSVPVLVDA GVGTASDAAI AMELGCDGVL MNTAIAGARD PILMASAMRK AVEGGREAYL
     AGRVPRKLYS AAPSSPTEGL IAAVK
 
 
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