ID   G6PI_LEGPH              Reviewed;         499 AA.
AC   Q5ZXH2;
DT   29-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   29-MAR-2005, sequence version 2.
DT   03-AUG-2022, entry version 92.
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=lpg0759;
OS   Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC
OS   33152 / DSM 7513).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=272624;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Philadelphia 1 / ATCC 33152 / DSM 7513;
RX   PubMed=15448271; DOI=10.1126/science.1099776;
RA   Chien M., Morozova I., Shi S., Sheng H., Chen J., Gomez S.M., Asamani G.,
RA   Hill K., Nuara J., Feder M., Rineer J., Greenberg J.J., Steshenko V.,
RA   Park S.H., Zhao B., Teplitskaya E., Edwards J.R., Pampou S., Georghiou A.,
RA   Chou I.-C., Iannuccilli W., Ulz M.E., Kim D.H., Geringer-Sameth A.,
RA   Goldsberry C., Morozov P., Fischer S.G., Segal G., Qu X., Rzhetsky A.,
RA   Zhang P., Cayanis E., De Jong P.J., Ju J., Kalachikov S., Shuman H.A.,
RA   Russo J.J.;
RT   "The genomic sequence of the accidental pathogen Legionella pneumophila.";
RL   Science 305:1966-1968(2004).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAU26848.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE017354; AAU26848.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; YP_094795.1; NC_002942.5.
DR   AlphaFoldDB; Q5ZXH2; -.
DR   SMR; Q5ZXH2; -.
DR   STRING; 272624.lpg0759; -.
DR   PaxDb; Q5ZXH2; -.
DR   PRIDE; Q5ZXH2; -.
DR   EnsemblBacteria; AAU26848; AAU26848; lpg0759.
DR   KEGG; lpn:lpg0759; -.
DR   PATRIC; fig|272624.6.peg.784; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_017947_3_1_6; -.
DR   OMA; VERCKAM; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000000609; 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; 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; Reference proteome.
FT   CHAIN           1..499
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000180664"
FT   ACT_SITE        352
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        383
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        487
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   499 AA;  56152 MW;  9049F98135DA80EB CRC64;
     MIRNSMKSHT ELLSWNLLQK EADRVRLNSD SLTCVVPDSN NYESSKQINC IEYDYSRQRV
     NRTIIDLLID LANEVKLQEK IDNLINGKKI NISENRPALH TALRDLGNKS IMIDGLDIMS
     AVINTREKIK VISNQIREKK WLGHSGLPIT DIVNIGIGGS DLGPRVCINA LSNYISKEFN
     YHFISDVDPA SFNDVIAKIN PQTTLFIVSS KSFTTKETLL NARKAFALYE DTASIDQHFI
     AVTAHPERAY QMGIKTVLPI WDWVGGRFSF CSAVNLITAI AIGYEQFVEL LAGAHDVDTH
     VQFTDFKNNI PVLMALIGIW NNNFLNIHNL LILTYSKKLE YFVPYVQQLD MESNGKSIDV
     NGSMVDYATG PIVWGGLGNQ AQHSYFQLLC QGTHRCVGDF ITLKTNDEHE INSMCHYKMK
     VLSEGIQTIE NPYGYIPGNM PMNHLILSDC SPYTLGALVA LYEHKIFVQS VIWNINPFDQ
     PGIESAKSAH REITLSSES