G6PI_BUCAP
ID G6PI_BUCAP Reviewed; 555 AA.
AC Q8K910;
DT 08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 1.
DT 03-AUG-2022, entry version 104.
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=BUsg_553;
OS Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=198804;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sg;
RX PubMed=12089438; DOI=10.1126/science.1071278;
RA Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT "50 million years of genomic stasis in endosymbiotic bacteria.";
RL Science 296:2376-2379(2002).
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; AE013218; AAM68091.1; -; Genomic_DNA.
DR RefSeq; WP_011054057.1; NC_004061.1.
DR AlphaFoldDB; Q8K910; -.
DR SMR; Q8K910; -.
DR STRING; 198804.BUsg_553; -.
DR EnsemblBacteria; AAM68091; AAM68091; BUsg_553.
DR KEGG; bas:BUsg_553; -.
DR eggNOG; COG0166; Bacteria.
DR HOGENOM; CLU_017947_3_1_6; -.
DR OMA; IGVWYIN; -.
DR OrthoDB; 417261at2; -.
DR UniPathway; UPA00109; UER00181.
DR UniPathway; UPA00138; -.
DR Proteomes; UP000000416; 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 Cytoplasm; Gluconeogenesis; Glycolysis; Isomerase.
FT CHAIN 1..555
FT /note="Glucose-6-phosphate isomerase"
FT /id="PRO_0000180613"
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"
SQ SEQUENCE 555 AA; 63957 MW; 5472E184C3D72A30 CRC64;
MKNINLIETK SWKDLKNHFK EVKNIHLKDL FLSDFNRFKK FSIFFENEIL IDFSKNRITE
KTLILLLNLA KEMNVKSAIK LMFSGSKINQ TENRSVLHIA LRNRSNFPIL LNNSDIMSEV
NDVLKKMKNF SELVIDGTWK GYSGKSISDV VNIGIGGSDL GPYMVTEALR PYKNHLNIHY
VSNIDGTHLS EILKKINPET TIFLIASKTF TTDETITNAN SAKFWFLKHS KTKETLDKHF
FALSANINNA VNFGINIKNI FQFWDWVGGR FSLWSSAGLS IVLSIGFNNF EKFLQGAHVM
DNHFYHTEYD KNIPILLALI SIWYTNFFNS ETEAIFPYDQ YMHRFSAYFQ QSNMESNGKS
IDKNGNKVCY QTGPIIWGEP GTNGQHAFFQ LIHQGTKLIP SDFIVPTVSH NNLNDHHLKL
ISNFLAQTQV LAFGKSKNSF LKESTSFKKE EDEFNRILPF KICEGNKPTN SILLRKITPY
TLGMLIALYE HKIFVQGHIL NIFSFDQWGV EIGKEVAQSI YKNINEKTKN SKSYDSSTQG
LIDFYNFFKN KQNYL