G6PI_BUCAI
ID G6PI_BUCAI Reviewed; 549 AA.
AC P57636;
DT 01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-DEC-2000, sequence version 1.
DT 03-AUG-2022, entry version 103.
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=BU573;
OS Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon
OS pisum symbiotic bacterium).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=107806;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=APS;
RX PubMed=10993077; DOI=10.1038/35024074;
RA Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H.;
RT "Genome sequence of the endocellular bacterial symbiont of aphids Buchnera
RT sp. APS.";
RL Nature 407:81-86(2000).
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; BA000003; BAB13263.1; -; Genomic_DNA.
DR RefSeq; NP_240377.1; NC_002528.1.
DR RefSeq; WP_010896169.1; NC_002528.1.
DR AlphaFoldDB; P57636; -.
DR SMR; P57636; -.
DR STRING; 107806.10039229; -.
DR EnsemblBacteria; BAB13263; BAB13263; BAB13263.
DR KEGG; buc:BU573; -.
DR PATRIC; fig|107806.10.peg.576; -.
DR eggNOG; COG0166; Bacteria.
DR HOGENOM; CLU_017947_3_1_6; -.
DR OMA; IGVWYIN; -.
DR UniPathway; UPA00109; UER00181.
DR UniPathway; UPA00138; -.
DR Proteomes; UP000001806; 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; Reference proteome.
FT CHAIN 1..549
FT /note="Glucose-6-phosphate isomerase"
FT /id="PRO_0000180611"
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 549 AA; 63436 MW; 8DF547CE08382244 CRC64;
MKNINFNNTQ SYQDLKNHFR KIKNIHLRDL FASDLNRFKK FSIIFENEML IDFSKNRITD
ETLIYLLNLA KETDVKSGIK LMFSGAKINK TENRSVLHIA LRNRTNRPII LNNCNIMLEV
NALLEKMKNF SKMVIHGEWK GYTGKSISNV VNIGIGGSDL GPYMVTEALR PYKNHLNMYY
VSNIDGTHLT EVLKKINPEN TIFLIASKTF TTDETITNAH SAKKWFLHYS QDQSALDKHF
FALSANIKNA LNFGININNI FKFWDWVGGR FSLWSSAGLS IMLSIGFDNF EKFLDGAHAM
DNHFYHTNYK ENIPILLALI SIWYTNFFGS ETEAIFPYDQ YMHRFSAYFQ QSNMESNGKS
INRNGQRINY QTGPIIWGEP GTNGQHAFYQ LIHQGTRLIP CDFIAPVFSH NDLNNHHMKL
ISNFFAQTQA LAFGQSRDSI LHRLILSKKN QDDIKRILPF KICKGNQPTN SILIRKITPY
NLGALIALYE HKIFVQGYIL NIFSFDQWGV ELGKELSQNI YNYLNINVKN KSYDASTEGL
INFYKSFMI