ID   G6PI_ONYPE              Reviewed;         426 AA.
AC   Q6YQU0;
DT   29-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 102.
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=PAM_283;
OS   Onion yellows phytoplasma (strain OY-M).
OC   Bacteria; Tenericutes; Mollicutes; Acholeplasmatales; Acholeplasmataceae;
OC   Candidatus Phytoplasma; Candidatus Phytoplasma asteris.
OX   NCBI_TaxID=262768;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=OY-M;
RX   PubMed=14661021; DOI=10.1038/ng1277;
RA   Oshima K., Kakizawa S., Nishigawa H., Jung H.-Y., Wei W., Suzuki S.,
RA   Arashida R., Nakata D., Miyata S., Ugaki M., Namba S.;
RT   "Reductive evolution suggested from the complete genome sequence of a
RT   plant-pathogenic phytoplasma.";
RL   Nat. Genet. 36:27-29(2004).
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; AP006628; BAD04368.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q6YQU0; -.
DR   SMR; Q6YQU0; -.
DR   STRING; 262768.PAM_283; -.
DR   EnsemblBacteria; BAD04368; BAD04368; PAM_283.
DR   KEGG; poy:PAM_283; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_037303_0_1_14; -.
DR   OMA; CPAYAYG; -.
DR   OrthoDB; 417261at2; -.
DR   BioCyc; OYEL262768:G1G26-341-MON; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
DR   Proteomes; UP000002523; 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   HAMAP; MF_00473; G6P_isomerase; 1.
DR   InterPro; IPR001672; G6P_Isomerase.
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..426
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_0000180698"
FT   ACT_SITE        282
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        303
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        417
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   426 AA;  48481 MW;  0EEFCA851209A4AF CRC64;
     MLKLNLEGIY NFLDWHNYAQ TFAPQIKVIH QKLHQDQQLK EKYLGWLELP LHFDFQELEK
     MKQLKNSHPN LDVLVVIGIG GSYLGAKAGI EFLQTPFKKT KPEILFAGHQ ASGNYLTNLL
     HYLKDKNWAI NVISKSGITL EPALAFRILK KEIEEKYGKQ LAKNRIFVTT DSQKGVLLNL
     ALKEGYQTFV IPDSVGGRFS VFTSVGILPF VFANLDVVSM MKGALQAYHD TFQEDLFQNQ
     AYQYALARYL LHTQQNKKME LLVSYEPHLL SFSEWWKQLF AESEGKEEKG LFVGATNNST
     DLHSLGQFIQ EGTKMLFETV LNVTSIKDDC VVPHIPNELD NLNYVAGKTY SQINQKILQA
     TKQAHIEGKV PNLEIVIPTL DAYHFGYLAY FFQKACAMSG SLLGINPFNQ PGVEIYKQKM
     FALLKS