ID   G6PI2_RHIME             Reviewed;         200 AA.
AC   Q92UI1;
DT   08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   27-MAR-2024, entry version 110.
DE   RecName: Full=Putative glucose-6-phosphate isomerase 2;
DE            Short=GPI 2;
DE            EC=5.3.1.9;
DE   AltName: Full=Phosphoglucose isomerase 2;
DE            Short=PGI 2;
DE   AltName: Full=Phosphohexose isomerase 2;
DE            Short=PHI 2;
GN   Name=pgiA2; OrderedLocusNames=RB1150; ORFNames=SMb20857;
OS   Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS   meliloti).
OG   Plasmid pSymB (megaplasmid 2).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=266834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11481431; DOI=10.1073/pnas.161294698;
RA   Finan T.M., Weidner S., Wong K., Buhrmester J., Chain P., Vorhoelter F.J.,
RA   Hernandez-Lucas I., Becker A., Cowie A., Gouzy J., Golding B., Puehler A.;
RT   "The complete sequence of the 1,683-kb pSymB megaplasmid from the N2-fixing
RT   endosymbiont Sinorhizobium meliloti.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:9889-9894(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11474104; DOI=10.1126/science.1060966;
RA   Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA   Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA   Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA   Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F., Gloux S.,
RA   Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA   Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA   Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA   Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA   Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA   Wong K., Yeh K.-C., Batut J.;
RT   "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL   Science 293:668-672(2001).
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;
CC   -!- COFACTOR:
CC       Name=Fe cation; Xref=ChEBI:CHEBI:24875; Evidence={ECO:0000250};
CC       Note=Binds 1 Fe cation per subunit. {ECO:0000250};
CC   -!- PATHWAY: Carbohydrate degradation; glycolysis; D-glyceraldehyde 3-
CC       phosphate and glycerone phosphate from D-glucose: step 2/4.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- MISCELLANEOUS: R.meliloti has a classic glucose-6-phosphate isomerase
CC       (AC Q92SC4) and two archaeal-type glucose-6-phosphate isomerases.
CC   -!- SIMILARITY: Belongs to the archaeal-type GPI family. {ECO:0000305}.
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DR   EMBL; AL591985; CAC49550.1; -; Genomic_DNA.
DR   PIR; F95985; F95985.
DR   RefSeq; NP_437690.1; NC_003078.1.
DR   AlphaFoldDB; Q92UI1; -.
DR   SMR; Q92UI1; -.
DR   EnsemblBacteria; CAC49550; CAC49550; SM_b20857.
DR   KEGG; sme:SM_b20857; -.
DR   PATRIC; fig|266834.11.peg.6079; -.
DR   eggNOG; COG2140; Bacteria.
DR   HOGENOM; CLU_105797_0_0_5; -.
DR   OrthoDB; 5592106at2; -.
DR   UniPathway; UPA00109; UER00181.
DR   Proteomes; UP000001976; Plasmid pSymB.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004347; F:glucose-6-phosphate isomerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0006094; P:gluconeogenesis; IEA:UniProtKB-UniRule.
DR   GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02218; cupin_PGI; 1.
DR   Gene3D; 2.60.120.10; Jelly Rolls; 1.
DR   HAMAP; MF_01410; G6P_isomerase_arch; 1.
DR   InterPro; IPR016758; G6P_isomerase_archaea/bacteria.
DR   InterPro; IPR010551; G6P_isomerase_prok.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   InterPro; IPR011051; RmlC_Cupin_sf.
DR   Pfam; PF06560; GPI; 1.
DR   PIRSF; PIRSF019325; Glucose-6-phosphate_isomerase; 1.
DR   SUPFAM; SSF51182; RmlC-like cupins; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Gluconeogenesis; Glycolysis; Iron; Isomerase; Metal-binding;
KW   Plasmid; Reference proteome.
FT   CHAIN           1..200
FT                   /note="Putative glucose-6-phosphate isomerase 2"
FT                   /id="PRO_0000185362"
FT   BINDING         92
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         94
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         101
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
FT   BINDING         140
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   200 AA;  22063 MW;  7D397D5ADC890AD3 CRC64;
     MLILFEPGVC QVDVATGRLK GATNRYVKTF RDLAGLYRDE SAYQALIATR GDDVAYEVTD
     YKPSANGGDI IIGVTRMEPG KIGDEYFMTR GHIHARPNRP EMYYGEAGVG VMLLESPHGE
     IRTIEMRART MCYVPPFWIH RSVNVGLEPL VMTFSYPADA GQDYDVIAKA GGMRTVLSMT
     GTVDGPQSIT PVIQGDTHRL
//