ID   G6PI_STRGG              Reviewed;         552 AA.
AC   B1W0Z7;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-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=SGR_5578;
OS   Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350).
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces.
OX   NCBI_TaxID=455632;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JCM 4626 / NBRC 13350;
RX   PubMed=18375553; DOI=10.1128/jb.00204-08;
RA   Ohnishi Y., Ishikawa J., Hara H., Suzuki H., Ikenoya M., Ikeda H.,
RA   Yamashita A., Hattori M., Horinouchi S.;
RT   "Genome sequence of the streptomycin-producing microorganism Streptomyces
RT   griseus IFO 13350.";
RL   J. Bacteriol. 190:4050-4060(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; AP009493; BAG22407.1; -; Genomic_DNA.
DR   RefSeq; WP_012381401.1; NC_010572.1.
DR   AlphaFoldDB; B1W0Z7; -.
DR   SMR; B1W0Z7; -.
DR   STRING; 455632.SGR_5578; -.
DR   EnsemblBacteria; BAG22407; BAG22407; SGR_5578.
DR   GeneID; 6214275; -.
DR   KEGG; sgr:SGR_5578; -.
DR   PATRIC; fig|455632.4.peg.5713; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_017947_3_1_11; -.
DR   OMA; IGVWYIN; -.
DR   OrthoDB; 417261at2; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000001685; 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; 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..552
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_1000125762"
FT   ACT_SITE        359
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        390
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        514
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   552 AA;  60820 MW;  2E34413F7DE110F0 CRC64;
     MNAASRTKLN QTPEWTALAK HREELGAPRL RELFARQPDR GTAYTLRVGD LHLDYSKHLV
     TDETLRLLRE LAAATGVAEL REAMFRGEKI NTTEDRAVLH TALRAPRDAV VEVDGENVVP
     AVHAVLDKMA GFAEKVRSGQ WTGHTGKPVK NIVNIGIGGS DLGPAMAYEV LRSFTDRDLT
     LRFVSNVDGA DLHEAVRDLD PAETLFVIAS KTFTTIETIT NATSARDWLL TELRTGQDAV
     AKHFVALSTN AEKVEEFGID TANMFEFWDW VGGRYSYDSA IGLSLMVAIG PDRFREMLEG
     FHLVDEHFRT APPEENAPLL LGLLGVWYGN FFDAQSHAVL PYSHYLSKFT AYLQQLDMES
     NGKSVDRDGN PVDWQTGPVV WGTPGTNGQH AYYQLIHQGT KLIPADFIGF AAPVHDLLPG
     LIAQHDLLMA NFFAQTQALA FGKTPEEVRA EGVPEELVPH KTFRGNHPTT TILADKLTPS
     VLGQLIALYE HKVFVQGAIW NIDSFDQWGV ELGKVLAKKI EPLLTGDGGA DAGELDSSTA
     ALVDAYRTLR GR