ID   G6PI_MYCMS              Reviewed;         427 AA.
AC   Q6MTA3;
DT   08-NOV-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 98.
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=MSC_0505;
OS   Mycoplasma mycoides subsp. mycoides SC (strain PG1).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasma.
OX   NCBI_TaxID=272632;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PG1;
RX   PubMed=14762060; DOI=10.1101/gr.1673304;
RA   Westberg J., Persson A., Holmberg A., Goesmann A., Lundeberg J.,
RA   Johansson K.-E., Pettersson B., Uhlen M.;
RT   "The genome sequence of Mycoplasma mycoides subsp. mycoides SC type strain
RT   PG1T, the causative agent of contagious bovine pleuropneumonia (CBPP).";
RL   Genome Res. 14:221-227(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}.
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DR   EMBL; BX293980; CAE77133.1; -; Genomic_DNA.
DR   RefSeq; NP_975491.1; NC_005364.2.
DR   AlphaFoldDB; Q6MTA3; -.
DR   SMR; Q6MTA3; -.
DR   STRING; 272632.MSC_0505; -.
DR   EnsemblBacteria; CAE77133; CAE77133; MSC_0505.
DR   KEGG; mmy:MSC_0505; -.
DR   PATRIC; fig|272632.4.peg.545; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_037303_0_1_14; -.
DR   OMA; CPAYAYG; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000001016; 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..427
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000180684"
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;  48539 MW;  AF14C1026A04A111 CRC64;
     MIKVNLDHTN IDINKVVDLN KVKQIHQMII NKTGKGNDYL GWLNWPNDYN KTEYEQMKQV
     ANKLRSEIEV LVVIGIGGSY LGCRAADEMI RGLYHQDKVE LIYAGNTMSS TYIYQLVEYL
     KNKNFGICVI SKSGTTTEPG ISFRVFEKLL VDKVGLNKAK DLIVAITDKN KGALKQLADK
     KGYQTFVIPN DIGGRFSVLT PVGIFPLLVS GINTDNIFNG ALKAKNELIN DDLSNQAYKY
     AVIRNYLYNQ GYKTDALISY ELQLQMLTEW WKQLFGESEG KDNKGLLPSS MIFSTDLHSL
     GQWVQEGPRN VMFETIIKIE KPNYDLNVPI DEDNYDGLNY LTKNSFHQIN QTALKGAIQA
     HSVTGNMPNI VLEFEKMDDE QFGYLVYFFE LALTMSAYLL DVNPFNQPGV EVYKYNMFKL
     LNKPGIK