ID   G6PI1_COLP3             Reviewed;         546 AA.
AC   Q487J6;
DT   08-NOV-2005, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 96.
DE   RecName: Full=Glucose-6-phosphate isomerase 1 {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=GPI 1 {ECO:0000255|HAMAP-Rule:MF_00473};
DE            EC=5.3.1.9 {ECO:0000255|HAMAP-Rule:MF_00473};
DE   AltName: Full=Phosphoglucose isomerase 1 {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=PGI 1 {ECO:0000255|HAMAP-Rule:MF_00473};
DE   AltName: Full=Phosphohexose isomerase 1 {ECO:0000255|HAMAP-Rule:MF_00473};
DE            Short=PHI 1 {ECO:0000255|HAMAP-Rule:MF_00473};
GN   Name=pgi1 {ECO:0000255|HAMAP-Rule:MF_00473}; OrderedLocusNames=CPS_1020;
OS   Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio
OS   psychroerythus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Colwelliaceae; Colwellia.
OX   NCBI_TaxID=167879;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=34H / ATCC BAA-681;
RX   PubMed=16043709; DOI=10.1073/pnas.0504766102;
RA   Methe B.A., Nelson K.E., Deming J.W., Momen B., Melamud E., Zhang X.,
RA   Moult J., Madupu R., Nelson W.C., Dodson R.J., Brinkac L.M.,
RA   Daugherty S.C., Durkin A.S., DeBoy R.T., Kolonay J.F., Sullivan S.A.,
RA   Zhou L., Davidsen T.M., Wu M., Huston A.L., Lewis M., Weaver B.,
RA   Weidman J.F., Khouri H., Utterback T.R., Feldblyum T.V., Fraser C.M.;
RT   "The psychrophilic lifestyle as revealed by the genome sequence of
RT   Colwellia psychrerythraea 34H through genomic and proteomic analyses.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:10913-10918(2005).
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; CP000083; AAZ27551.1; -; Genomic_DNA.
DR   RefSeq; WP_011041863.1; NC_003910.7.
DR   AlphaFoldDB; Q487J6; -.
DR   SMR; Q487J6; -.
DR   STRING; 167879.CPS_1020; -.
DR   EnsemblBacteria; AAZ27551; AAZ27551; CPS_1020.
DR   KEGG; cps:CPS_1020; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_017947_3_1_6; -.
DR   OMA; VERCKAM; -.
DR   OrthoDB; 417261at2; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000000547; 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..546
FT                   /note="Glucose-6-phosphate isomerase 1"
FT                   /id="PRO_0000180629"
FT   ACT_SITE        353
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        384
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        512
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   546 AA;  60935 MW;  F34654E22FAE76C7 CRC64;
     MSSRQTLASW KKLQLLAQDK KSQHMNTLFA QDSERFNKFS IELPNMLLDY SKNLIDTETL
     DALLALAEET QVCDWRAKMF AGEKINKTED RAVLHTALRR QSDEAFIIEG ENVTEHVKNQ
     LAEMEVFVNK VRQGHWLGYS GKRITDIVNI GVGGSNLGPQ MVTEALKHYS DGSVNVHYVS
     NVDGAQIAEV LRPLEPEKVL FIVSSKTFTT TETMTNARTA INWLTSASFD ENSVAKHFVA
     VTANKENAMS FGIEEQNIFD MWDWVGGRFS LWSAIGLAIA LDLGFDKFEE LLAGAHDMDQ
     HFINAPLKDN FPAILALISV WNTTFLGSQS QAILPYDQTL HMLTAYLQQA EMESNGKSVS
     WDGDEIDYAT VPSIWGELGI NGQHAFYQYL HQSNNVVPAD FIGSVKSVTP VKGHHETLMA
     NFFAQTQALM VGVNEEQVRA DLKAKGRNAE YIDNVAPHKV HKGNRPTNTI LLKCINPRNL
     GSLIAAYEHK IFVQGIILQI CSFDQWGVEL GKGLAAEIQT ELQTDNISAQ HDCSTSSLLK
     FYQSAK