ID   G6PI_ECOSM              Reviewed;         549 AA.
AC   B1LPI9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-APR-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=EcSMS35_4486;
OS   Escherichia coli (strain SMS-3-5 / SECEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=439855;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SMS-3-5 / SECEC;
RX   PubMed=18708504; DOI=10.1128/jb.00661-08;
RA   Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C.,
RA   Ravel J., Stepanauskas R.;
RT   "Insights into the environmental resistance gene pool from the genome
RT   sequence of the multidrug-resistant environmental isolate Escherichia coli
RT   SMS-3-5.";
RL   J. Bacteriol. 190:6779-6794(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; CP000970; ACB18320.1; -; Genomic_DNA.
DR   RefSeq; WP_000790015.1; NC_010498.1.
DR   AlphaFoldDB; B1LPI9; -.
DR   SMR; B1LPI9; -.
DR   EnsemblBacteria; ACB18320; ACB18320; EcSMS35_4486.
DR   KEGG; ecm:EcSMS35_4486; -.
DR   HOGENOM; CLU_017947_3_1_6; -.
DR   OMA; IGVWYIN; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000007011; 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   Acetylation; Cytoplasm; Gluconeogenesis; Glycolysis; Isomerase.
FT   CHAIN           1..549
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_1000125723"
FT   ACT_SITE        355
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        386
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        514
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   MOD_RES         80
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   MOD_RES         228
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   MOD_RES         234
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   549 AA;  61558 MW;  74AEDDB13D068A01 CRC64;
     MKNINPTQTA AWQALQKHFD EMKDVTIADL FAKDGDRFSK FSVTFDDQML VDYSKNRITE
     ETLAKLQDLA KECDLAGAIK SMFSGEKINR TENRAVLHVA LRNRSNTPIL VDGKDVMPEV
     NAVLEKMKTF SEAIISGEWK GYTGKAITDV VNIGIGGSDL GPYMVTEALR PYKNHLNMHF
     VSNVDGTHIA EVLKKVNPET TLFLVASKTF TTQETMTNAH SARDWFLKAA GDEKHVAKHF
     AALSTNAKAV GEFGIDTANM FEFWDWVGGR YSLWSAIGLS IVLSIGFDNF VELLSGAHAM
     DKHFSTTPAE KNLPVLLALI GIWYNNFFGA ETEAILPYDQ YMHRFAAYFQ QGNMESNGKY
     VDRNGNVVDY QTGPIIWGEP GTNGQHAFYQ LIHQGTKMVP CDFIAPAITH NPLSDHHQKL
     LSNFFAQTEA LAFGKSREVV EQEYRDQGKD PATLDYVVPF KVFEGNRPTN SILLREITPF
     SLGALIALYE HKIFTQGVIL NIFTFDQWGV ELGKQLANRI LPELKDDKEI SSHDSSTNGL
     INRYKAWRG