ID   G6PI_ERYLH              Reviewed;         517 AA.
AC   Q2NB79;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   03-AUG-2022, entry version 86.
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=ELI_04850;
OS   Erythrobacter litoralis (strain HTCC2594).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Sphingomonadales;
OC   Erythrobacteraceae; Erythrobacter/Porphyrobacter group; Erythrobacter.
OX   NCBI_TaxID=314225;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTCC2594;
RX   PubMed=19168610; DOI=10.1128/jb.00026-09;
RA   Oh H.M., Giovannoni S.J., Ferriera S., Johnson J., Cho J.C.;
RT   "Complete genome sequence of Erythrobacter litoralis HTCC2594.";
RL   J. Bacteriol. 191:2419-2420(2009).
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; CP000157; ABC63062.1; -; Genomic_DNA.
DR   RefSeq; WP_011413898.1; NC_007722.1.
DR   AlphaFoldDB; Q2NB79; -.
DR   SMR; Q2NB79; -.
DR   STRING; 314225.ELI_04850; -.
DR   EnsemblBacteria; ABC63062; ABC63062; ELI_04850.
DR   KEGG; eli:ELI_04850; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_017947_3_1_5; -.
DR   OMA; IGVWYIN; -.
DR   OrthoDB; 417261at2; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000008808; 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   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; Reference proteome.
FT   CHAIN           1..517
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_1000013964"
FT   ACT_SITE        345
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        376
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        490
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   517 AA;  54607 MW;  7E4F45FB35DD3CDC CRC64;
     MSDAETNAWD AIHRVEKRTL LELFDADSER VSKLSHRLAW GVESPGGQEA GGILFDWSKT
     HLTDELLDGF EALADAMDFA GAREKLLSGA KINVTEGRAA EHTAQRGTGA EASVEEAVAL
     MGRMKALVDA IHGGAMGEVK HLIHVGIGGS ALGPKLALDA LTRDLALVDV HVVSNIDGVA
     LEQAFAACDP ATTLIAIASK TFTTIETMTN ATSALHWLKT NGVDDPHGRV VALTANPEAA
     VEFGVDETRV LPFMESVGGR YSLWSSIGFP VALGAGWDEF EGMLAGAQAM DEHFASADGR
     ANLPLLAAFA DLYYTRVRGC QARACFAYDE RLGLLPDYLQ QLEMESNGKR VKADGTPVDG
     PTAPITWGGV GTDAQHAVFQ LLHQGTHLVP VDFIASIAPG DDLDPAHHRI LLTNCFAQGA
     ALMAGGNMAA DEKDPARVFP GDRPSATMLC DDLDAVTLGA LIAFHEHRTF ANAVLMGINP
     FDQFGVELGK KMAKDIESGG AEFDASTQAL VGAAGLA