ID   G6PI_CHLTR              Reviewed;         525 AA.
AC   P0CD72; O84382; Q46402;
DT   09-FEB-2010, integrated into UniProtKB/Swiss-Prot.
DT   09-FEB-2010, sequence version 1.
DT   27-MAR-2024, entry version 63.
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=CT_378;
OS   Chlamydia trachomatis (strain D/UW-3/Cx).
OC   Bacteria; Chlamydiota; Chlamydiia; Chlamydiales; Chlamydiaceae;
OC   Chlamydia/Chlamydophila group; Chlamydia.
OX   NCBI_TaxID=272561;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=D/UW-3/Cx;
RX   PubMed=9784136; DOI=10.1126/science.282.5389.754;
RA   Stephens R.S., Kalman S., Lammel C.J., Fan J., Marathe R., Aravind L.,
RA   Mitchell W.P., Olinger L., Tatusov R.L., Zhao Q., Koonin E.V., Davis R.W.;
RT   "Genome sequence of an obligate intracellular pathogen of humans: Chlamydia
RT   trachomatis.";
RL   Science 282:754-759(1998).
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; AE001273; AAC67974.1; -; Genomic_DNA.
DR   PIR; F71521; F71521.
DR   RefSeq; NP_219887.1; NC_000117.1.
DR   RefSeq; WP_009871730.1; NC_000117.1.
DR   AlphaFoldDB; P0CD72; -.
DR   SMR; P0CD72; -.
DR   STRING; 272561.CT_378; -.
DR   EnsemblBacteria; AAC67974; AAC67974; CT_378.
DR   GeneID; 884740; -.
DR   KEGG; ctr:CT_378; -.
DR   PATRIC; fig|272561.5.peg.407; -.
DR   HOGENOM; CLU_017947_3_1_0; -.
DR   InParanoid; P0CD72; -.
DR   OrthoDB; 140919at2; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000000431; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0097367; F:carbohydrate derivative binding; IEA:InterPro.
DR   GO; GO:0004347; F:glucose-6-phosphate isomerase activity; IBA:GO_Central.
DR   GO; GO:0048029; F:monosaccharide binding; IBA:GO_Central.
DR   GO; GO:0006094; P:gluconeogenesis; IBA:GO_Central.
DR   GO; GO:0051156; P:glucose 6-phosphate metabolic process; IBA:GO_Central.
DR   GO; GO:0006096; P:glycolytic process; IBA:GO_Central.
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; GLUCOSE-6-PHOSPHATE ISOMERASE; 1.
DR   PANTHER; PTHR11469:SF1; GLUCOSE-6-PHOSPHATE ISOMERASE; 1.
DR   Pfam; PF00342; PGI; 1.
DR   PRINTS; PR00662; G6PISOMERASE.
DR   SUPFAM; SSF53697; SIS domain; 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..525
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000180620"
FT   ACT_SITE        347
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        378
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        493
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   525 AA;  57771 MW;  41F37FEDFC4C233E CRC64;
     MMGKGFLDCE SLVALQEMAL HPIDLTASGC LSEERIQKNS LSAEGFTYSY ATERVDDRCL
     EALQGLTEER ELIKQMECMQ QGAIMNRIEG FQSESRPVLH TATRAWVRDQ DLHEEAAAIA
     RHSKEEALRL AEFLYIARAK FSTLVQMGIG GSELGPKAMY FAMQGSCPSD KRIFFVSNID
     PDNAAEVLRE IDLEQTLVVV VSKSGTTLEP AANEELFRQA YQNKGLSIAE HFVAVTSQGS
     PMDDKSRYLE VFHLWDSIGG RFSATSMVGG VVLGFAFGYE AFIEFLQGAA AIDAHALTPK
     MRENLPLLSA MLGVWNRNLL GYPTTAVIPY STGLKYFTAH LQQCGMESNG KSISREGKEI
     SFRTSPIIWG DVGTNCQHSF FQSLHQGTDI VPVEFIGFLH NQRGLDCVLS GSSSSQKLFA
     NLVAQSLALA QGRDNANSNK RFKGNRPSSI LVAQQLSPRI AGSLLAFYEH KFAFQGFCWG
     INSFDQEGVS LGKELATQII GIMSGNAPVE FSEARGMLRL FNVLT
//