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THIC_COXB2
ID   THIC_COXB2              Reviewed;         554 AA.
AC   B6J1X8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 1.
DT   03-AUG-2022, entry version 74.
DE   RecName: Full=Phosphomethylpyrimidine synthase {ECO:0000255|HAMAP-Rule:MF_00089};
DE            EC=4.1.99.17 {ECO:0000255|HAMAP-Rule:MF_00089};
DE   AltName: Full=Hydroxymethylpyrimidine phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00089};
DE            Short=HMP-P synthase {ECO:0000255|HAMAP-Rule:MF_00089};
DE            Short=HMP-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00089};
DE            Short=HMPP synthase {ECO:0000255|HAMAP-Rule:MF_00089};
DE   AltName: Full=Thiamine biosynthesis protein ThiC {ECO:0000255|HAMAP-Rule:MF_00089};
GN   Name=thiC {ECO:0000255|HAMAP-Rule:MF_00089}; OrderedLocusNames=CbuG_1676;
OS   Coxiella burnetii (strain CbuG_Q212) (Coxiella burnetii (strain Q212)).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales; Coxiellaceae;
OC   Coxiella.
OX   NCBI_TaxID=434923;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CbuG_Q212;
RX   PubMed=19047403; DOI=10.1128/iai.01141-08;
RA   Beare P.A., Unsworth N., Andoh M., Voth D.E., Omsland A., Gilk S.D.,
RA   Williams K.P., Sobral B.W., Kupko J.J. III, Porcella S.F., Samuel J.E.,
RA   Heinzen R.A.;
RT   "Comparative genomics reveal extensive transposon-mediated genomic
RT   plasticity and diversity among potential effector proteins within the genus
RT   Coxiella.";
RL   Infect. Immun. 77:642-656(2009).
CC   -!- FUNCTION: Catalyzes the synthesis of the hydroxymethylpyrimidine
CC       phosphate (HMP-P) moiety of thiamine from aminoimidazole ribotide (AIR)
CC       in a radical S-adenosyl-L-methionine (SAM)-dependent reaction.
CC       {ECO:0000255|HAMAP-Rule:MF_00089}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-amino-1-(5-phospho-beta-D-ribosyl)imidazole + S-adenosyl-L-
CC         methionine = 4-amino-2-methyl-5-(phosphooxymethyl)pyrimidine + 5'-
CC         deoxyadenosine + CO + formate + 3 H(+) + L-methionine;
CC         Xref=Rhea:RHEA:24840, ChEBI:CHEBI:15378, ChEBI:CHEBI:15740,
CC         ChEBI:CHEBI:17245, ChEBI:CHEBI:17319, ChEBI:CHEBI:57844,
CC         ChEBI:CHEBI:58354, ChEBI:CHEBI:59789, ChEBI:CHEBI:137981;
CC         EC=4.1.99.17; Evidence={ECO:0000255|HAMAP-Rule:MF_00089};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00089};
CC       Note=Binds 1 [4Fe-4S] cluster per subunit. The cluster is coordinated
CC       with 3 cysteines and an exchangeable S-adenosyl-L-methionine.
CC       {ECO:0000255|HAMAP-Rule:MF_00089};
CC   -!- PATHWAY: Cofactor biosynthesis; thiamine diphosphate biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00089}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00089}.
CC   -!- SIMILARITY: Belongs to the ThiC family. {ECO:0000255|HAMAP-
CC       Rule:MF_00089}.
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DR   EMBL; CP001019; ACJ18956.1; -; Genomic_DNA.
DR   AlphaFoldDB; B6J1X8; -.
DR   SMR; B6J1X8; -.
DR   PRIDE; B6J1X8; -.
DR   KEGG; cbg:CbuG_1676; -.
DR   HOGENOM; CLU_013181_2_1_6; -.
DR   OMA; TWELFRD; -.
DR   UniPathway; UPA00060; -.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0016830; F:carbon-carbon lyase activity; IEA:InterPro.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009228; P:thiamine biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009229; P:thiamine diphosphate biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.20.20.540; -; 1.
DR   HAMAP; MF_00089; ThiC; 1.
DR   InterPro; IPR037509; ThiC.
DR   InterPro; IPR025747; ThiC-associated_dom.
DR   InterPro; IPR038521; ThiC/Bza_core_dom.
DR   InterPro; IPR002817; ThiC/BzaA/B.
DR   PANTHER; PTHR30557; PTHR30557; 1.
DR   Pfam; PF13667; ThiC-associated; 1.
DR   Pfam; PF01964; ThiC_Rad_SAM; 1.
DR   SFLD; SFLDF00407; phosphomethylpyrimidine_syntha; 1.
DR   TIGRFAMs; TIGR00190; thiC; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Iron; Iron-sulfur; Lyase; Metal-binding; S-adenosyl-L-methionine;
KW   Thiamine biosynthesis; Zinc.
FT   CHAIN           1..554
FT                   /note="Phosphomethylpyrimidine synthase"
FT                   /id="PRO_1000198048"
FT   BINDING         188
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         217
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         246
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         282
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         302..304
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         343..346
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         382
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         386
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         409
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         450
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         530
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         533
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
FT   BINDING         538
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00089"
SQ   SEQUENCE   554 AA;  62516 MW;  52B7719C5C0917D5 CRC64;
     MRREGTMRLH RTFLLRVYLK ESAVITYPAS KKIYCQGKIF PTIRVGMREI QLTNGDSLTL
     YDTSGPYSDP NISIKSPQGL PRLREPWIKV RPRKTQLAFA KEGVITPEME YAAIRENQKR
     ELKKNTDQER ERRLQGNSLS ARIPNPITPE FIRNEIACGR AILPANINHP ESEPMIIGRH
     FLVKVNANIG NSSLTSSVEE EVEKLIWALR WGADTVMDLS TGKKIKEIRE TILRHSPVPI
     GTVPLYEALE KVDGDVKALT WEIFRDTLIS QAEQGVDYFT IHAGVLNRFI PLAQKRVTGI
     VSRGGSLMAK WCLLHREENF LYTHFTEICE IMRAYDVSFS LGDGLRPGSI ADANDEAQFA
     ELKIQGELNR IAWKYGVQVM NEGPGHIPLN LIEENMTKQL AYCREAPFYT LGPLTTDIAP
     GYDHIGSAIG AAFIAWQGCA LLCYVTPKEH LGLPNKQDVK EGLIAYKIAA HAADLAKGHP
     AARQRDDLLS QARFEFRWHD QFNLALDAET ARLFHDETLP KEAAKHAHFC SLCGPKFCAY
     KTSHEVRDTL QKVT
 
 
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