ID   G6PI_RHIEC              Reviewed;         541 AA.
AC   Q2KCY8;
DT   17-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   07-MAR-2006, sequence version 1.
DT   03-AUG-2022, 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=RHE_CH00477;
OS   Rhizobium etli (strain CFN 42 / ATCC 51251).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX   NCBI_TaxID=347834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CFN 42 / ATCC 51251;
RX   PubMed=16505379; DOI=10.1073/pnas.0508502103;
RA   Gonzalez V., Santamaria R.I., Bustos P., Hernandez-Gonzalez I.,
RA   Medrano-Soto A., Moreno-Hagelsieb G., Janga S.C., Ramirez M.A.,
RA   Jimenez-Jacinto V., Collado-Vides J., Davila G.;
RT   "The partitioned Rhizobium etli genome: genetic and metabolic redundancy in
RT   seven interacting replicons.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:3834-3839(2006).
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; CP000133; ABC89298.1; -; Genomic_DNA.
DR   RefSeq; WP_011423855.1; NC_007761.1.
DR   AlphaFoldDB; Q2KCY8; -.
DR   SMR; Q2KCY8; -.
DR   STRING; 347834.RHE_CH00477; -.
DR   EnsemblBacteria; ABC89298; ABC89298; RHE_CH00477.
DR   GeneID; 61478931; -.
DR   KEGG; ret:RHE_CH00477; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_017947_3_1_5; -.
DR   OMA; IGVWYIN; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000001936; 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..541
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000252635"
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        506
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   541 AA;  58618 MW;  FBEC2EA6354DE7B0 CRC64;
     MNAIVEQLKS TAAATKATDL RAAFAADAQR FSRFSVSLDD LLMDYSKTAV NDEILKLLVK
     LAEEGGVERK REEMFSGKAI NFTEDRAVLH TALRNRSNTP VLVDGKDVMP DVNAVLAAMG
     KFADDIRSGA LKGATGKAIT DVINIGIGGS DLGPVMATLA LAPFHDGPRA HFVSNIDGAH
     IADILKLVQP ETTLFIVASK TFTTVETMTN AQTARSFIAK SLGEAAVQHH FAAVSTALDK
     VAAFGIDSAR VFGFWDWVGG RYSIWSAIGL PLMIAIGPEN FGKFLDGAHA VDNHFRQAPV
     TENLPMLLGL IGFYHRNVLG YPTRAILPYD QRLSRFPAYL QQLDMESNGK GVTIDGTPVD
     GNSGPVVWGE PGTNGQHAFY QLIHQGTSII PAEFMIAANA FEPELRHQHQ LLISNVLAQS
     EALMKGRTFA EAKKQLTDKG MDDKKADFIA PHRVFTGNRP SITFVYDKLT PYALGRLIAL
     YEHRVFVEGV LFRINSFDQW GVELGKELAT GLLPVVEGKE SAASHDSSTQ GLVAALAKLA
     K