ID   G6PI_CUPTR              Reviewed;         547 AA.
AC   B3R508;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 76.
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=RALTA_A1441;
OS   Cupriavidus taiwanensis (strain DSM 17343 / BCRC 17206 / CCUG 44338 / CIP
OS   107171 / LMG 19424 / R1) (Ralstonia taiwanensis (strain LMG 19424)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Cupriavidus.
OX   NCBI_TaxID=977880;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17343 / BCRC 17206 / CCUG 44338 / CIP 107171 / LMG 19424 / R1;
RX   PubMed=18490699; DOI=10.1101/gr.076448.108;
RA   Amadou C., Pascal G., Mangenot S., Glew M., Bontemps C., Capela D.,
RA   Carrere S., Cruveiller S., Dossat C., Lajus A., Marchetti M., Poinsot V.,
RA   Rouy Z., Servin B., Saad M., Schenowitz C., Barbe V., Batut J., Medigue C.,
RA   Masson-Boivin C.;
RT   "Genome sequence of the beta-rhizobium Cupriavidus taiwanensis and
RT   comparative genomics of rhizobia.";
RL   Genome Res. 18:1472-1483(2008).
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; CU633749; CAQ69390.1; -; Genomic_DNA.
DR   RefSeq; WP_012352713.1; NC_010528.1.
DR   AlphaFoldDB; B3R508; -.
DR   SMR; B3R508; -.
DR   STRING; 977880.RALTA_A1441; -.
DR   EnsemblBacteria; CAQ69390; CAQ69390; RALTA_A1441.
DR   GeneID; 29763084; -.
DR   KEGG; cti:RALTA_A1441; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_017947_3_1_4; -.
DR   OMA; IGVWYIN; -.
DR   OrthoDB; 417261at2; -.
DR   BioCyc; CTAI977880:RALTA_RS06900-MON; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000001692; Chromosome 1.
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..547
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_1000125713"
FT   ACT_SITE        356
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        387
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        508
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   547 AA;  59932 MW;  F70811411318D230 CRC64;
     MPTDLHAWNA LLRHHDTLRD AQMRDWFDRE GAQRVAQCSL EAAGLYLDYS KNRITPQTMS
     LLMQLAAEAG VTRRRDAMFA GEHINTTEDR AVLHVALRAP AGAAFKVDGE AVVPAIHQVL
     ARMRDFSARV RSGAWKGATG ERITDVINIG IGGSDLGPRM VCRALSHLAD ADGHAAPRMH
     FVSNVDGTDL AETLVRLDPQ RTLVIVCSKT FTTLETMANA RSARAWFVAS GVAEQDLAKH
     FVAVSTNTEA VREFGIDPAN MFEFWDWIGG RFSLWSSVGL SITLAVGFDA FSDLLAGGHA
     MDEHFRTAPL ERNMPVILGM LGVWYRNFWN LPTSCMAPYS TSLELFPAFL QQLEMESNGK
     SVQLDGQRIR THTSPVVWGT AGTNGQHAYF QQIHQGSQVV PVDFVAPLVP PRRLPGHHAK
     LLANCFAQAE ALMRGRSADE LRASGLKDEV RIAHMVFDGN RPSNTLLMED LTPNVLGALI
     ALYEHRTFVQ GVVWRINSFD QWGVELGKIL ARPIEAELTG TATGQHDAST AALIARARAV
     LKAGAAS