THIE2_AQUAE
ID THIE2_AQUAE Reviewed; 186 AA.
AC O67378;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-AUG-1998, sequence version 1.
DT 03-AUG-2022, entry version 108.
DE RecName: Full=Putative thiamine-phosphate synthase 2;
DE Short=TP synthase 2;
DE Short=TPS 2;
DE EC=2.5.1.3;
DE AltName: Full=Thiamine-phosphate pyrophosphorylase 2;
DE Short=TMP pyrophosphorylase 2;
DE Short=TMP-PPase 2;
GN Name=thiE2; OrderedLocusNames=aq_1366;
OS Aquifex aeolicus (strain VF5).
OC Bacteria; Aquificae; Aquificales; Aquificaceae; Aquifex.
OX NCBI_TaxID=224324;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=VF5;
RX PubMed=9537320; DOI=10.1038/32831;
RA Deckert G., Warren P.V., Gaasterland T., Young W.G., Lenox A.L.,
RA Graham D.E., Overbeek R., Snead M.A., Keller M., Aujay M., Huber R.,
RA Feldman R.A., Short J.M., Olsen G.J., Swanson R.V.;
RT "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus.";
RL Nature 392:353-358(1998).
CC -!- FUNCTION: Condenses 4-methyl-5-(beta-hydroxyethyl)thiazole
CC monophosphate (THZ-P) and 2-methyl-4-amino-5-hydroxymethyl pyrimidine
CC pyrophosphate (HMP-PP) to form thiamine monophosphate (TMP).
CC {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl
CC phosphate + 4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine + 2
CC H(+) = CO2 + diphosphate + thiamine phosphate; Xref=Rhea:RHEA:47844,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:37575, ChEBI:CHEBI:57841, ChEBI:CHEBI:62899; EC=2.5.1.3;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate + 4-amino-2-
CC methyl-5-(diphosphooxymethyl)pyrimidine + 2 H(+) = CO2 + diphosphate
CC + thiamine phosphate; Xref=Rhea:RHEA:47848, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16526, ChEBI:CHEBI:33019, ChEBI:CHEBI:37575,
CC ChEBI:CHEBI:57841, ChEBI:CHEBI:62890; EC=2.5.1.3;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine + 4-methyl-
CC 5-(2-phosphooxyethyl)-thiazole + H(+) = diphosphate + thiamine
CC phosphate; Xref=Rhea:RHEA:22328, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:37575, ChEBI:CHEBI:57841,
CC ChEBI:CHEBI:58296; EC=2.5.1.3;
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000250};
CC -!- PATHWAY: Cofactor biosynthesis; thiamine diphosphate biosynthesis;
CC thiamine phosphate from 4-amino-2-methyl-5-diphosphomethylpyrimidine
CC and 4-methyl-5-(2-phosphoethyl)-thiazole: step 1/1.
CC -!- SIMILARITY: Belongs to the thiamine-phosphate synthase family.
CC {ECO:0000305}.
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DR EMBL; AE000657; AAC07326.1; -; Genomic_DNA.
DR PIR; G70418; G70418.
DR RefSeq; NP_213942.1; NC_000918.1.
DR RefSeq; WP_010880880.1; NC_000918.1.
DR AlphaFoldDB; O67378; -.
DR SMR; O67378; -.
DR STRING; 224324.aq_1366; -.
DR EnsemblBacteria; AAC07326; AAC07326; aq_1366.
DR KEGG; aae:aq_1366; -.
DR PATRIC; fig|224324.8.peg.1069; -.
DR eggNOG; COG0352; Bacteria.
DR HOGENOM; CLU_018272_3_2_0; -.
DR InParanoid; O67378; -.
DR OMA; EVDFIHI; -.
DR OrthoDB; 1558094at2; -.
DR UniPathway; UPA00060; UER00141.
DR Proteomes; UP000000798; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004789; F:thiamine-phosphate diphosphorylase activity; IBA:GO_Central.
DR GO; GO:0009228; P:thiamine biosynthetic process; IBA:GO_Central.
DR GO; GO:0009229; P:thiamine diphosphate biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd00564; TMP_TenI; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR036206; ThiamineP_synth_sf.
DR InterPro; IPR022998; ThiamineP_synth_TenI.
DR InterPro; IPR034291; TMP_synthase.
DR Pfam; PF02581; TMP-TENI; 1.
DR SUPFAM; SSF51391; SSF51391; 1.
DR TIGRFAMs; TIGR00693; thiE; 1.
PE 3: Inferred from homology;
KW Magnesium; Metal-binding; Reference proteome; Thiamine biosynthesis;
KW Transferase.
FT CHAIN 1..186
FT /note="Putative thiamine-phosphate synthase 2"
FT /id="PRO_0000157088"
FT BINDING 35..39
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000250"
FT BINDING 67
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000250"
FT BINDING 68
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000250"
FT BINDING 105
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000250"
FT BINDING 131..133
FT /ligand="2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-
FT ylidene]ethyl phosphate"
FT /ligand_id="ChEBI:CHEBI:62899"
FT /evidence="ECO:0000250"
FT BINDING 134
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000250"
FT BINDING 161
FT /ligand="2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-
FT ylidene]ethyl phosphate"
FT /ligand_id="ChEBI:CHEBI:62899"
FT /evidence="ECO:0000250"
FT BINDING 181..182
FT /ligand="2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-
FT ylidene]ethyl phosphate"
FT /ligand_id="ChEBI:CHEBI:62899"
FT /evidence="ECO:0000250"
SQ SEQUENCE 186 AA; 21031 MW; 0C9D78E643EB1452 CRC64;
MELPRLYAIT DRKKYGENFL ETLEKILKKG VRMVQLREKD LKDRELYKLA KEVRALTKKY
KALLLINERF DIALAVEADG VHLPEQSFPP SVVKRVNPNF IVGFSAHSLE SAKYAEKEGA
DFITLSPIFK TSSHPEAQPI GLKTLKEVSE KVNIPVYALG GITWEKIKVC YKNGAYGIAG
ISMFLE
