ID THIE_NOSS1 Reviewed; 351 AA.
AC Q8YX72;
DT 19-OCT-2002, integrated into UniProtKB/Swiss-Prot.
DT 16-JAN-2004, sequence version 2.
DT 27-MAR-2024, entry version 111.
DE RecName: Full=Thiamine-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_01327};
DE Short=TP synthase {ECO:0000255|HAMAP-Rule:MF_01327};
DE Short=TPS {ECO:0000255|HAMAP-Rule:MF_01327};
DE EC=2.5.1.3 {ECO:0000255|HAMAP-Rule:MF_01327};
DE AltName: Full=Thiamine-phosphate pyrophosphorylase {ECO:0000255|HAMAP-Rule:MF_01327};
DE Short=TMP pyrophosphorylase {ECO:0000255|HAMAP-Rule:MF_01327};
DE Short=TMP-PPase {ECO:0000255|HAMAP-Rule:MF_01327};
GN Name=thiE {ECO:0000255|HAMAP-Rule:MF_01327}; OrderedLocusNames=alr1343;
OS Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Nostocaceae; Nostoc.
OX NCBI_TaxID=103690;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT "Complete genomic sequence of the filamentous nitrogen-fixing
RT cyanobacterium Anabaena sp. strain PCC 7120.";
RL DNA Res. 8:205-213(2001).
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:0000255|HAMAP-Rule:MF_01327}.
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 Evidence={ECO:0000255|HAMAP-Rule:MF_01327};
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 Evidence={ECO:0000255|HAMAP-Rule:MF_01327};
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; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01327};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01327};
CC Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01327};
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. {ECO:0000255|HAMAP-
CC Rule:MF_01327}.
CC -!- SIMILARITY: Belongs to the thiamine-phosphate synthase family.
CC {ECO:0000255|HAMAP-Rule:MF_01327}.
CC -!- SEQUENCE CAUTION:
CC Sequence=BAB73300.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; BA000019; BAB73300.1; ALT_INIT; Genomic_DNA.
DR PIR; AD1974; AD1974.
DR AlphaFoldDB; Q8YX72; -.
DR SMR; Q8YX72; -.
DR STRING; 103690.gene:10493358; -.
DR KEGG; ana:alr1343; -.
DR eggNOG; COG0352; Bacteria.
DR UniPathway; UPA00060; UER00141.
DR Proteomes; UP000002483; Chromosome.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004789; F:thiamine-phosphate diphosphorylase activity; 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 CDD; cd00564; TMP_TenI; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_00097; TMP_synthase; 1.
DR HAMAP; MF_01327; TMP_synthase_cyanobact; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR036206; ThiamineP_synth_sf.
DR InterPro; IPR022998; ThiamineP_synth_TenI.
DR InterPro; IPR041397; ThiD2.
DR InterPro; IPR034291; TMP_synthase.
DR InterPro; IPR016229; TMP_synthase_cyanobac_bac.
DR NCBIfam; TIGR00693; thiE; 1.
DR PANTHER; PTHR20857:SF15; THIAMINE BIOSYNTHETIC BIFUNCTIONAL ENZYME; 1.
DR PANTHER; PTHR20857; THIAMINE-PHOSPHATE PYROPHOSPHORYLASE; 1.
DR Pfam; PF17792; ThiD2; 1.
DR Pfam; PF02581; TMP-TENI; 1.
DR PIRSF; PIRSF000512; TMP_PPase_Cyanobac_prd; 1.
DR SUPFAM; SSF51391; Thiamin phosphate synthase; 1.
PE 3: Inferred from homology;
KW Magnesium; Metal-binding; Reference proteome; Thiamine biosynthesis;
KW Transferase.
FT CHAIN 1..351
FT /note="Thiamine-phosphate synthase"
FT /id="PRO_0000157078"
FT REGION 1..129
FT /note="Unknown"
FT REGION 130..351
FT /note="Thiamine-phosphate synthase"
FT BINDING 177..181
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
FT BINDING 209
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
FT BINDING 210
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
FT BINDING 229
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
FT BINDING 248
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
FT BINDING 274..276
FT /ligand="2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-
FT ylidene]ethyl phosphate"
FT /ligand_id="ChEBI:CHEBI:62899"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
FT BINDING 277
FT /ligand="4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine"
FT /ligand_id="ChEBI:CHEBI:57841"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
FT BINDING 304
FT /ligand="2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-
FT ylidene]ethyl phosphate"
FT /ligand_id="ChEBI:CHEBI:62899"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01327"
SQ SEQUENCE 351 AA; 39251 MW; 8F2A372F5F947546 CRC64;
MVEPYSQQKQ IQQVVYRILD ANLDRAREGL RIIEEWCRFG LNSGQLAGEC KYLRQEVAVW
HTEELRAARD TAGDPGTDLS HPQEEQRSSI KALLQANFCR VEEALRVLEE YGKLYHPKMG
QACKQMRYRV YSLETNLMGH QRHQLLRRSR LYLVTSPSES LLPTVEAALK GGLTLLQYRD
KDTDDFVRLE LATKLRQLCH SYGALFIIND RVDLALAVDA DGVHLGQQDM PIATARQLLG
PQRLIGRSTT NADEMQKAIA EGADYIGVGP VYETPTKIGK AAAGLGYVSY AAQHSSVPWF
AIGGIDANNI NDVIDAGAER VAVVRSLMQA EQPTLVTQYL ISQLNRIKPE S
//
