ID   TPIS_NOSS1              Reviewed;         241 AA.
AC   Q8YP17;
DT   27-MAR-2002, integrated into UniProtKB/Swiss-Prot.
DT   27-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 107.
DE   RecName: Full=Triosephosphate isomerase {ECO:0000255|HAMAP-Rule:MF_00147};
DE            Short=TIM {ECO:0000255|HAMAP-Rule:MF_00147};
DE            Short=TPI {ECO:0000255|HAMAP-Rule:MF_00147};
DE            EC=5.3.1.1 {ECO:0000255|HAMAP-Rule:MF_00147};
DE   AltName: Full=Triose-phosphate isomerase {ECO:0000255|HAMAP-Rule:MF_00147};
GN   Name=tpiA {ECO:0000255|HAMAP-Rule:MF_00147}; OrderedLocusNames=alr4385;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; 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: Involved in the gluconeogenesis. Catalyzes stereospecifically
CC       the conversion of dihydroxyacetone phosphate (DHAP) to D-
CC       glyceraldehyde-3-phosphate (G3P). {ECO:0000255|HAMAP-Rule:MF_00147}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-glyceraldehyde 3-phosphate = dihydroxyacetone phosphate;
CC         Xref=Rhea:RHEA:18585, ChEBI:CHEBI:57642, ChEBI:CHEBI:59776;
CC         EC=5.3.1.1; Evidence={ECO:0000255|HAMAP-Rule:MF_00147};
CC   -!- PATHWAY: Carbohydrate biosynthesis; gluconeogenesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00147}.
CC   -!- PATHWAY: Carbohydrate degradation; glycolysis; D-glyceraldehyde 3-
CC       phosphate from glycerone phosphate: step 1/1. {ECO:0000255|HAMAP-
CC       Rule:MF_00147}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00147}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00147}.
CC   -!- SIMILARITY: Belongs to the triosephosphate isomerase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00147}.
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DR   EMBL; BA000019; BAB76084.1; -; Genomic_DNA.
DR   PIR; AI2353; AI2353.
DR   RefSeq; WP_010998522.1; NZ_RSCN01000051.1.
DR   AlphaFoldDB; Q8YP17; -.
DR   SMR; Q8YP17; -.
DR   STRING; 103690.17133521; -.
DR   EnsemblBacteria; BAB76084; BAB76084; BAB76084.
DR   KEGG; ana:alr4385; -.
DR   eggNOG; COG0149; Bacteria.
DR   OMA; QEVCGAI; -.
DR   OrthoDB; 1266295at2; -.
DR   UniPathway; UPA00109; UER00189.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004807; F:triose-phosphate isomerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006094; P:gluconeogenesis; IEA:UniProtKB-UniRule.
DR   GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00311; TIM; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_00147_B; TIM_B; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR035990; TIM_sf.
DR   InterPro; IPR022896; TrioseP_Isoase_bac/euk.
DR   InterPro; IPR000652; Triosephosphate_isomerase.
DR   InterPro; IPR020861; Triosephosphate_isomerase_AS.
DR   PANTHER; PTHR21139; PTHR21139; 1.
DR   Pfam; PF00121; TIM; 1.
DR   SUPFAM; SSF51351; SSF51351; 1.
DR   TIGRFAMs; TIGR00419; tim; 1.
DR   PROSITE; PS00171; TIM_1; 1.
DR   PROSITE; PS51440; TIM_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Gluconeogenesis; Glycolysis; Isomerase; Reference proteome.
FT   CHAIN           1..241
FT                   /note="Triosephosphate isomerase"
FT                   /id="PRO_0000090172"
FT   ACT_SITE        96
FT                   /note="Electrophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00147"
FT   ACT_SITE        165
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00147"
FT   BINDING         9..11
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00147"
FT   BINDING         171
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00147"
FT   BINDING         204
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00147"
FT   BINDING         225..226
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00147"
SQ   SEQUENCE   241 AA;  26552 MW;  BCF9634603CF65EE CRC64;
     MRKIVIAGNW KMFKTQAESQ EFLKEFLPAL EETPQEREVL LCVPFTDLAI LSQSLHGSLV
     QLGAQNVHWA ENGAYTGEIS GPMLTEIGVR YVIVGHSERR QFFGETDETV NLRLQAAQKY
     GLTPILCVGE TKQQRDSGET ESLIVSQLDK DLINVDQTNL VIAYEPIWAI GTGDTCETTE
     ANRVIGLIRS QLKNSDVPIQ YGGSVKPNNI DEIMAQPEID GVLVGGASLE AASFARIVNY
     L