ID   G6PI_PSEFL              Reviewed;         554 AA.
AC   Q848I4;
DT   14-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 65.
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};
OS   Pseudomonas fluorescens.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=294;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Q8r1-96;
RA   Mavrodi D.V., Weller D.M., Thomashow L.S.;
RT   "A modified IVET system for plant-associated fluorescent Pseudomonas spp.";
RL   Submitted (JAN-2003) to the EMBL/GenBank/DDBJ databases.
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; AY210414; AAO60163.1; -; Genomic_DNA.
DR   STRING; 690597.JH730984_gene304; -.
DR   PRIDE; Q848I4; -.
DR   eggNOG; COG0166; Bacteria.
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..554
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000180709"
FT   ACT_SITE        359
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        390
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        518
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   554 AA;  61526 MW;  8502AF3FB71A8DF5 CRC64;
     MAYYRTPHDV TALPAWQALN DHRKAMQDFS MREAFNADPQ RFTQFTLSSC GLFLDYSKNL
     INAQTRDLLV GLANEVDLKG AIKSLFEGEI VNASENRPAL HTALRRPVGD KLLVNGVNVM
     PDVHKVLNQI TDLVGRIHDG LWRGYTEKPI TDVVNIGIGG SFLGPELVSE ALLSYAQKGV
     RCHYLANIDG SEFHELTMKL RAETTLFIVS SKSFNTLETL KNAQAARAWY LAQGGSEAEL
     YRHFIAVSSN NAAAVAFGIR EENIFPMWDW VGGRYSLWSA IGLPIALAIG MSNFKELLSG
     AYSMDQHFQS APFEQNMPVL LALLGVWYGN FWGAQSHAIL PYDHYLRNIT KHLQQLDMES
     NGKSVRQDGT PVSTDTGPVI WGGVGCNGQH AYHQLLHQGT QLIPADFIVP IVSFNPVSDH
     HQWLYANCLS QSQALMLGKT RAEAEXELRD KGASEEEVQK LASHKVIPGN RPSNTLVVER
     ISPRRLGALV ALYEHKVFVQ SVVWGINAFD QWGVELGKEL GKGVYNRLVG SEESLAEDAS
     TQGLINYFRG RHRG