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Entry: A0A1G1J2F1_9BACT
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ID   A0A1G1J2F1_9BACT        Unreviewed;       258 AA.
AC   A0A1G1J2F1;
DT   15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT   15-FEB-2017, sequence version 1.
DT   03-JUL-2019, entry version 10.
DE   RecName: Full=Thiamine thiazole synthase {ECO:0000256|HAMAP-Rule:MF_00304};
DE            EC=2.4.2.59 {ECO:0000256|HAMAP-Rule:MF_00304};
GN   Name=thi4 {ECO:0000256|HAMAP-Rule:MF_00304};
GN   ORFNames=A2Z72_04940 {ECO:0000313|EMBL:OGW74646.1};
OS   Omnitrophica bacterium RBG_13_46_9.
OC   Bacteria; Candidatus Omnitrophica.
OX   NCBI_TaxID=1801818 {ECO:0000313|EMBL:OGW74646.1};
RN   [1] {ECO:0000313|EMBL:OGW74646.1}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=27774985; DOI=10.1038/ncomms13219;
RA   Anantharaman K., Brown C.T., Hug L.A., Sharon I., Castelle C.J.,
RA   Probst A.J., Thomas B.C., Singh A., Wilkins M.J., Karaoz U.,
RA   Brodie E.L., Williams K.H., Hubbard S.S., Banfield J.F.;
RT   "Thousands of microbial genomes shed light on interconnected
RT   biogeochemical processes in an aquifer system.";
RL   Nat. Commun. 7:13219-13219(2016).
CC   -!- FUNCTION: Involved in the biosynthesis of the thiazole moiety of
CC       thiamine. Catalyzes the conversion of NAD and glycine to adenosine
CC       diphosphate 5-(2-hydroxyethyl)-4-methylthiazole-2-carboxylate
CC       (ADT), an adenylated thiazole intermediate, using free sulfide as
CC       a source of sulfur. {ECO:0000256|HAMAP-Rule:MF_00304}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=glycine + hydrogen sulfide + NAD(+) = ADP-5-ethyl-4-
CC         methylthiazole-2-carboxylate + H(+) + 3 H2O + nicotinamide;
CC         Xref=Rhea:RHEA:55704, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:17154, ChEBI:CHEBI:29919, ChEBI:CHEBI:57305,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:139151; EC=2.4.2.59;
CC         Evidence={ECO:0000256|HAMAP-Rule:MF_00304};
CC   -!- COFACTOR:
CC       Name=Fe(2+); Xref=ChEBI:CHEBI:29033; Evidence={ECO:0000256|HAMAP-
CC         Rule:MF_00304};
CC   -!- PATHWAY: Cofactor biosynthesis; thiamine diphosphate biosynthesis.
CC       {ECO:0000256|HAMAP-Rule:MF_00304}.
CC   -!- SUBUNIT: Homooctamer; tetramer of dimers. {ECO:0000256|HAMAP-
CC       Rule:MF_00304}.
CC   -!- SIMILARITY: Belongs to the THI4 family. {ECO:0000256|HAMAP-
CC       Rule:MF_00304}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation
CC       of feature annotation. {ECO:0000256|HAMAP-Rule:MF_00304}.
CC   -!- CAUTION: The sequence shown here is derived from an
CC       EMBL/GenBank/DDBJ whole genome shotgun (WGS) entry which is
CC       preliminary data. {ECO:0000313|EMBL:OGW74646.1}.
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DR   EMBL; MHFD01000082; OGW74646.1; -; Genomic_DNA.
DR   UniPathway; UPA00060; -.
DR   GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016853; F:isomerase activity; IEA:UniProtKB-KW.
DR   GO; GO:0016763; F:transferase activity, transferring pentosyl groups; 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   GO; GO:0052837; P:thiazole biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.50.50.60; -; 1.
DR   HAMAP; MF_00304; Thi4; 1.
DR   InterPro; IPR036188; FAD/NAD-bd_sf.
DR   InterPro; IPR002922; Thi4_fam.
DR   InterPro; IPR022828; Thi4_prok.
DR   SUPFAM; SSF51905; SSF51905; 1.
DR   TIGRFAMs; TIGR00292; TIGR00292; 1.
PE   3: Inferred from homology;
KW   Iron {ECO:0000256|HAMAP-Rule:MF_00304};
KW   Isomerase {ECO:0000313|EMBL:OGW74646.1};
KW   Metal-binding {ECO:0000256|HAMAP-Rule:MF_00304};
KW   NAD {ECO:0000256|HAMAP-Rule:MF_00304};
KW   Thiamine biosynthesis {ECO:0000256|HAMAP-Rule:MF_00304};
KW   Transferase {ECO:0000256|HAMAP-Rule:MF_00304}.
FT   NP_BIND      53     54       NAD. {ECO:0000256|HAMAP-Rule:MF_00304}.
FT   NP_BIND     151    153       NAD; shared with adjacent protomer.
FT                                {ECO:0000256|HAMAP-Rule:MF_00304}.
FT   METAL       153    153       Iron; shared with adjacent protomer.
FT                                {ECO:0000256|HAMAP-Rule:MF_00304}.
FT   METAL       168    168       Iron. {ECO:0000256|HAMAP-Rule:MF_00304}.
FT   BINDING      34     34       NAD. {ECO:0000256|HAMAP-Rule:MF_00304}.
FT   BINDING      61     61       NAD; via amide nitrogen and carbonyl
FT                                oxygen. {ECO:0000256|HAMAP-Rule:
FT                                MF_00304}.
FT   BINDING     125    125       NAD; via amide nitrogen and carbonyl
FT                                oxygen. {ECO:0000256|HAMAP-Rule:
FT                                MF_00304}.
FT   BINDING     222    222       NAD; via amide nitrogen.
FT                                {ECO:0000256|HAMAP-Rule:MF_00304}.
FT   BINDING     232    232       Glycine. {ECO:0000256|HAMAP-Rule:
FT                                MF_00304}.
SQ   SEQUENCE   258 AA;  27938 MW;  EBCC5F73F31ECB1B CRC64;
     MDEALISRAI TESFTKDFID AFNVDVAIAG AGPSGLICAY YLAKQNVKVA VFERHLRVGG
     GMPGGGMMFN RIVVQEEAMP ILKEFGVSAK RYKKDLYIVD ALEAISTFCS KTIKRGAKIF
     NLINVEDVVI RKDRIAGVVL NWSAVSWAKL HVDPMAVRSK AVVDATGHDS EIARIVERKT
     GPVLRTETGG VIGEKSMWAE IGEKMILENT KEIYPGLIVC GMAANAVFGS PRMGAIFGGM
     LLSGKKAAEV ARKVIKSK
//
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