ID   G6PI_ENTFA              Reviewed;         449 AA.
AC   Q835G1;
DT   29-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   27-MAR-2024, entry version 104.
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=EF_1416;
OS   Enterococcus faecalis (strain ATCC 700802 / V583).
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Enterococcaceae;
OC   Enterococcus.
OX   NCBI_TaxID=226185;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700802 / V583;
RX   PubMed=12663927; DOI=10.1126/science.1080613;
RA   Paulsen I.T., Banerjei L., Myers G.S.A., Nelson K.E., Seshadri R.,
RA   Read T.D., Fouts D.E., Eisen J.A., Gill S.R., Heidelberg J.F., Tettelin H.,
RA   Dodson R.J., Umayam L.A., Brinkac L.M., Beanan M.J., Daugherty S.C.,
RA   DeBoy R.T., Durkin S.A., Kolonay J.F., Madupu R., Nelson W.C.,
RA   Vamathevan J.J., Tran B., Upton J., Hansen T., Shetty J., Khouri H.M.,
RA   Utterback T.R., Radune D., Ketchum K.A., Dougherty B.A., Fraser C.M.;
RT   "Role of mobile DNA in the evolution of vancomycin-resistant Enterococcus
RT   faecalis.";
RL   Science 299:2071-2074(2003).
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; AE016830; AAO81207.1; -; Genomic_DNA.
DR   RefSeq; NP_815137.1; NC_004668.1.
DR   RefSeq; WP_002357685.1; NZ_KE136528.1.
DR   AlphaFoldDB; Q835G1; -.
DR   SMR; Q835G1; -.
DR   STRING; 226185.EF_1416; -.
DR   EnsemblBacteria; AAO81207; AAO81207; EF_1416.
DR   GeneID; 60893796; -.
DR   KEGG; efa:EF1416; -.
DR   PATRIC; fig|226185.45.peg.2085; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_037303_0_1_9; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000001415; Chromosome.
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   HAMAP; MF_00473; G6P_isomerase; 1.
DR   InterPro; IPR001672; G6P_Isomerase.
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; GLUCOSE-6-PHOSPHATE ISOMERASE; 1.
DR   PANTHER; PTHR11469:SF1; GLUCOSE-6-PHOSPHATE ISOMERASE; 1.
DR   Pfam; PF00342; PGI; 1.
DR   PRINTS; PR00662; G6PISOMERASE.
DR   SUPFAM; SSF53697; SIS domain; 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; Reference proteome.
FT   CHAIN           1..449
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000180639"
FT   ACT_SITE        291
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        312
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        426
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   449 AA;  49734 MW;  1DF1A5B5D483D336 CRC64;
     MSHIQLDYSK LAPFVADHEL EYMQTQVTAV DKALREGTGA GNDFTGWIDL PENYDKEEFA
     RIKKAAAKIQ SDSEVLVVIG IGGSYLGARA AIEFLTHSFN NLLSKEERKA PQIFFAGNSI
     SSTYLADLIN VIGDRDFSVN VISKSGTTTE PAIAFRVFKE LLINKYGKEE ANKRIYATTD
     RAKGAVKVEA DAEGWETFVI PDDVGGRFTV LTPVGLLPIA VSGADIDRLM EGANDARKEY
     GATSDLKENQ AYQYAALRNI LYRKGKTTEM LINYEPGMHY FSEWWKQLYG ESEGKDGKGI
     FPAAADFSTD LHSMGQYVQE GMRNLFETVV KIENPRHSIS IPEQNEDLDG LGYLQGKEID
     FVNTKAFEGT LLAHTDGGVP NMIVKVPTMD AYSLGYVMYF FEIAVGISGY LNGVNPFDQP
     GVEAYKRNMF ALLGKPGFEE LAKDLNARL
//