ID   G6PI_MYCPU              Reviewed;         427 AA.
AC   Q98R79;
DT   02-NOV-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2001, sequence version 1.
DT   03-AUG-2022, entry version 108.
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=MYPU_1310;
OS   Mycoplasmopsis pulmonis (strain UAB CTIP) (Mycoplasma pulmonis).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasmopsis.
OX   NCBI_TaxID=272635;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UAB CTIP;
RX   PubMed=11353084; DOI=10.1093/nar/29.10.2145;
RA   Chambaud I., Heilig R., Ferris S., Barbe V., Samson D., Galisson F.,
RA   Moszer I., Dybvig K., Wroblewski H., Viari A., Rocha E.P.C., Blanchard A.;
RT   "The complete genome sequence of the murine respiratory pathogen Mycoplasma
RT   pulmonis.";
RL   Nucleic Acids Res. 29:2145-2153(2001).
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, ECO:0000305}.
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DR   EMBL; AL445563; CAC13304.1; -; Genomic_DNA.
DR   PIR; C90528; C90528.
DR   RefSeq; WP_010924935.1; NC_002771.1.
DR   AlphaFoldDB; Q98R79; -.
DR   SMR; Q98R79; -.
DR   STRING; 272635.MYPU_1310; -.
DR   PRIDE; Q98R79; -.
DR   EnsemblBacteria; CAC13304; CAC13304; CAC13304.
DR   KEGG; mpu:MYPU_1310; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_037303_0_1_14; -.
DR   OMA; CPAYAYG; -.
DR   OrthoDB; 417261at2; -.
DR   BioCyc; MPUL272635:G1GT6-130-MON; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000000528; 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_0000180687"
FT   ACT_SITE        281
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        302
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        417
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   427 AA;  48383 MW;  7E3CA7379C631683 CRC64;
     MRRIRLNLQN AINEEKLKEY VSEVEQINTK MNNLSLEGFE YLGWKDLPEN INKNEIDKII
     ETANFFKKEG IEVLVVIGIG GSFLGAKSAM DFIQGNYPTK KNMEIIFAGT SISSTELTQL
     LYYVENKKFA INVISKSGTT LEPAIAFREF RNLLNSRLGE NNAKRYIVAT TDANKGLLFE
     MAKEKGYARF VVPDNVGGRF SVLTPVGLLP LACAGIDIEK LLEGAKEANA LYKNSNLLEN
     DAYKYAVARF LLQKKFPVEM LVSYEPNHMF LLEWWKQLFG ESEGKQGKGI LPHSAIFTRD
     LHSLGQFIQD GSKIMFETVI WVDKPIFDLK IEKEIEDLDK LNYLTNKSLH QINKAAFEAT
     VEAHTKVGLV PNIILELEDS SEKTLGALFM FFERAVAMSG YLLKVNPFNQ PGVEVYKSNL
     FKILEKK