ID   G6PI_FRAT1              Reviewed;         540 AA.
AC   Q14GS7;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   03-AUG-2022, entry version 75.
DE   RecName: Full=Glucose-6-phosphate isomerase {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=GPI {ECO:0000255|HAMAP-Rule:MF_00473};
DE            EC=5.3.1.9 {ECO:0000255|HAMAP-Rule:MF_00473};
DE   AltName: Full=Phosphoglucose isomerase {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=PGI {ECO:0000255|HAMAP-Rule:MF_00473};
DE   AltName: Full=Phosphohexose isomerase {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=PHI {ECO:0000255|HAMAP-Rule:MF_00473};
GN   Name=pgi {ECO:0000255|HAMAP-Rule:MF_00473}; OrderedLocusNames=FTF1315c;
OS   Francisella tularensis subsp. tularensis (strain FSC 198).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=393115;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=FSC 198;
RX   PubMed=17406676; DOI=10.1371/journal.pone.0000352;
RA   Chaudhuri R.R., Ren C.-P., Desmond L., Vincent G.A., Silman N.J.,
RA   Brehm J.K., Elmore M.J., Hudson M.J., Forsman M., Isherwood K.E.,
RA   Gurycova D., Minton N.P., Titball R.W., Pallen M.J., Vipond R.;
RT   "Genome sequencing shows that European isolates of Francisella tularensis
RT   subspecies tularensis are almost identical to US laboratory strain Schu
RT   S4.";
RL   PLoS ONE 2:E352-E352(2007).
CC   -!- FUNCTION: Catalyzes the reversible isomerization of glucose-6-phosphate
CC       to fructose-6-phosphate. {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=alpha-D-glucose 6-phosphate = beta-D-fructose 6-phosphate;
CC         Xref=Rhea:RHEA:11816, ChEBI:CHEBI:57634, ChEBI:CHEBI:58225;
CC         EC=5.3.1.9; Evidence={ECO:0000255|HAMAP-Rule:MF_00473};
CC   -!- PATHWAY: Carbohydrate biosynthesis; gluconeogenesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- PATHWAY: Carbohydrate degradation; glycolysis; D-glyceraldehyde 3-
CC       phosphate and glycerone phosphate from D-glucose: step 2/4.
CC       {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00473}.
CC   -!- SIMILARITY: Belongs to the GPI family. {ECO:0000255|HAMAP-
CC       Rule:MF_00473}.
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DR   EMBL; AM286280; CAL09331.1; -; Genomic_DNA.
DR   RefSeq; WP_003022047.1; NC_008245.1.
DR   AlphaFoldDB; Q14GS7; -.
DR   SMR; Q14GS7; -.
DR   KEGG; ftf:FTF1315c; -.
DR   HOGENOM; CLU_017947_3_1_6; -.
DR   OMA; IGVWYIN; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0097367; F:carbohydrate derivative binding; IEA:InterPro.
DR   GO; GO:0004347; F:glucose-6-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; cd05015; SIS_PGI_1; 1.
DR   CDD; cd05016; SIS_PGI_2; 1.
DR   Gene3D; 1.10.1390.10; -; 1.
DR   HAMAP; MF_00473; G6P_isomerase; 1.
DR   InterPro; IPR001672; G6P_Isomerase.
DR   InterPro; IPR023096; G6P_Isomerase_C.
DR   InterPro; IPR018189; Phosphoglucose_isomerase_CS.
DR   InterPro; IPR046348; SIS_dom_sf.
DR   InterPro; IPR035476; SIS_PGI_1.
DR   InterPro; IPR035482; SIS_PGI_2.
DR   PANTHER; PTHR11469; PTHR11469; 1.
DR   Pfam; PF00342; PGI; 1.
DR   PRINTS; PR00662; G6PISOMERASE.
DR   SUPFAM; SSF53697; SSF53697; 1.
DR   PROSITE; PS00765; P_GLUCOSE_ISOMERASE_1; 1.
DR   PROSITE; PS00174; P_GLUCOSE_ISOMERASE_2; 1.
DR   PROSITE; PS51463; P_GLUCOSE_ISOMERASE_3; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Gluconeogenesis; Glycolysis; Isomerase.
FT   CHAIN           1..540
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_1000013965"
FT   ACT_SITE        346
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        377
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        505
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   540 AA;  61152 MW;  4D34257EBD77D2FD CRC64;
     MLFCDDSKKY LKEQNINLKN EFDKDDKRVE KFSLKHQNIY FDYSKNLIND YILKSLLESA
     EKSSLKDKIK QMFNGAKINS TEHRAVLHTA LRDLSSTPLI VDGQDIRQEV TKEKQRVKEL
     VEKVVSGRWR GFSGKKITDI VNIGIGGSDL GPKMVVRALQ PYHCTDLKVH FVSNVDADSL
     LQALHVVDPE TTLFIIASKS FSTEETLLNS ISAREWLLDH YEDEKAVANH FVAISSKLDK
     VKEFGIDLEH CYKMWDWVGG RYSLWSSIGM SIAFAIGYDN FEKLLAGAYS VDKHFKETEF
     SKNIPVIMAL LASYYSCTYN SQSQALLPYD ERLCYFVDYL QQADMESNGK SVNIAGETVN
     YQTGVVLWGG VGTNGQHAFH QLLHQGNIFI PVDFIAIATS HHNYDNHQQA LLANCFAQSQ
     ALMFGQSYDM VYNELLKSGL NETQAKELAA HKVIPGNRPS TTILLDELSP YSLGALIALY
     EHKIFVQGVL WDINSYDQWG VELGKKLGKN ILKAMNDDSS DEYQNLDDST RQLIAKVKNK