ID   G6PI_MYCCT              Reviewed;         427 AA.
AC   Q2SS24;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   24-JAN-2006, sequence version 1.
DT   27-MAR-2024, entry version 96.
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};
GN   OrderedLocusNames=MCAP_0465;
OS   Mycoplasma capricolum subsp. capricolum (strain California kid / ATCC 27343
OS   / NCTC 10154).
OC   Bacteria; Mycoplasmatota; Mollicutes; Mycoplasmataceae; Mycoplasma.
OX   NCBI_TaxID=340047;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=California kid / ATCC 27343 / NCTC 10154;
RA   Glass J.I., Lartigue C., Pfannkoch C., Baden-Tillson H., Smith H.O.,
RA   Venter J.C., Roske K., Wise K.S., Calcutt M.J., Nelson W.C., Nierman W.C.;
RL   Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000123; ABC01694.1; -; Genomic_DNA.
DR   RefSeq; WP_011387338.1; NC_007633.1.
DR   AlphaFoldDB; Q2SS24; -.
DR   SMR; Q2SS24; -.
DR   GeneID; 23778579; -.
DR   KEGG; mcp:MCAP_0465; -.
DR   HOGENOM; CLU_037303_0_1_14; -.
DR   PhylomeDB; Q2SS24; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000001928; 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.
FT   CHAIN           1..427
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000230920"
FT   ACT_SITE        277
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        298
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        414
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   427 AA;  48526 MW;  D1CAE9A23AF8BCA0 CRC64;
     MIKVNLDHTD ININKVADLN KIKEIHQMIF NKTGKGNDFL GWLNWPVNFN KTEYEQMKLV
     ANDLKNQIEV LVVIGIGGSY LGCRAADEMI RGLYHQNKVE LIYTGNTMSS TYIYQVVEYL
     KNKNFGICVI SKSGTTTEPG ISFRVFEKLL VDKVGLEKAK SLIVAITDKN KGALKQLAEK
     KGYQTFVIPN DIGGRFSVLT PVGIFPLLVS GINTDKIFQG ALKAKNDLIN DDLSNQAYKY
     AVVRNYLYNQ GYKTEALISY ELQLQMLTEW WKQLFGESEG KENKGLLPSS MIFSTDLHSL
     GQWVQEGPRN VMFETIIKIE KPNHDLNVPI DEDNYDGLNY LTKKSFHQIN QTALKGVIQA
     HSVTGKMPNI VLEFEKMDDE QFGYLVYFFE LALAMSAYLL DVNPFNQPGV EVYKYNMFKL
     LNKPGIK
//