ID   G6PI_MARMS              Reviewed;         548 AA.
AC   A6W2I5;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   27-MAR-2024, entry version 81.
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};
GN   OrderedLocusNames=Mmwyl1_4018;
OS   Marinomonas sp. (strain MWYL1).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC   Oceanospirillaceae; Marinomonas.
OX   NCBI_TaxID=400668;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MWYL1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Kiss H., Brettin T., Bruce D., Detter J.C., Han C.,
RA   Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Johnston A.W.B., Todd J.D., Rogers R., Wexler M., Bond P.L., Li Y.,
RA   Richardson P.;
RT   "Complete sequence of Marinomonas sp. MWYL1.";
RL   Submitted (JUN-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000749; ABR72914.1; -; Genomic_DNA.
DR   AlphaFoldDB; A6W2I5; -.
DR   SMR; A6W2I5; -.
DR   STRING; 400668.Mmwyl1_4018; -.
DR   KEGG; mmw:Mmwyl1_4018; -.
DR   eggNOG; COG0166; Bacteria.
DR   HOGENOM; CLU_017947_3_1_6; -.
DR   OrthoDB; 140919at2; -.
DR   UniPathway; UPA00109; UER00181.
DR   UniPathway; UPA00138; -.
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; 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.
FT   CHAIN           1..548
FT                   /note="Glucose-6-phosphate isomerase"
FT                   /id="PRO_1000081241"
FT   ACT_SITE        354
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        385
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
FT   ACT_SITE        513
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00473"
SQ   SEQUENCE   548 AA;  59829 MW;  0C7C2616E6D1D066 CRC64;
     MSSPTKLTAW QKLTEHKQEM ASVSMKSLFE ADPKRAEKYT TQAAGWTLDY AKNRANEKTL
     SLLTDLAKEA GLESAIKGMF SGAHINNTED RSVLHIALRA SQAQETLMVD GVNVLAEVRA
     TLKQMEAFVT QLHNGEWKGY TGKRITDVIS IGIGGSYLGP KVVAEALTPY KKDGIKVHFV
     ANIDGSDITG KLKLVNPETT VFVISSKTFG TLETLSNANA ARDWFLSNGG SQSDVSKHFA
     AVSSNVKKAV DFGMAEENIF PMWDWVGGRY SLWSAIGLPV AIAVGMDNFY ELLDGAHQMD
     EHFRTTPFEE NLPVIMGTLG VWYINFHNAQ THALIPYDHY LRAMPAHIQQ LDMESNGKST
     LLNGDGVETD TGPIIWGGAG TNGQHAYHQL LHQGTRLVPV DFIVPLASHN PIGEHHAQLF
     ANCLSQSQAL MVGKTLEQAQ QELRDAGASP DQVEAIAPHK VIKGNRPSNT LLTDKMTPAT
     VGALIALYEH RTFVQGTIWG INSFDQWGVE LGKVLGTDIY NRLVSDSDNS ALDASTQALI
     KAFKKAQA
//