ID A0A1Q8Z8L4_9CYAN Unreviewed; 528 AA.
AC A0A1Q8Z8L4;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=Glucose-6-phosphate isomerase {ECO:0000256|HAMAP-Rule:MF_00473};
DE Short=GPI {ECO:0000256|HAMAP-Rule:MF_00473};
DE EC=5.3.1.9 {ECO:0000256|HAMAP-Rule:MF_00473};
DE AltName: Full=Phosphoglucose isomerase {ECO:0000256|HAMAP-Rule:MF_00473};
DE Short=PGI {ECO:0000256|HAMAP-Rule:MF_00473};
DE AltName: Full=Phosphohexose isomerase {ECO:0000256|HAMAP-Rule:MF_00473};
DE Short=PHI {ECO:0000256|HAMAP-Rule:MF_00473};
GN Name=pgi {ECO:0000256|HAMAP-Rule:MF_00473,
GN ECO:0000313|EMBL:OLP16574.1};
GN ORFNames=BST81_20470 {ECO:0000313|EMBL:OLP16574.1};
OS Leptolyngbya sp. 'hensonii'.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Leptolyngbyales; Leptolyngbyaceae;
OC Leptolyngbya group; Leptolyngbya.
OX NCBI_TaxID=1922337 {ECO:0000313|EMBL:OLP16574.1, ECO:0000313|Proteomes:UP000186296};
RN [1] {ECO:0000313|EMBL:OLP16574.1, ECO:0000313|Proteomes:UP000186296}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=hensonii {ECO:0000313|Proteomes:UP000186296};
RA Hamilton T.L., Klatt J.M., De Beer D., Macalady J.;
RT "Physiology of photosynthesis in the novel isolate Oscillatoriales
RT cyanobacterium hensonii.";
RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible isomerization of glucose-6-phosphate
CC to fructose-6-phosphate. {ECO:0000256|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:0000256|ARBA:ARBA00029321,
CC ECO:0000256|HAMAP-Rule:MF_00473, ECO:0000256|RuleBase:RU000612};
CC -!- PATHWAY: Carbohydrate biosynthesis; gluconeogenesis.
CC {ECO:0000256|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:0000256|ARBA:ARBA00004926, ECO:0000256|HAMAP-Rule:MF_00473,
CC ECO:0000256|RuleBase:RU000612}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00473}.
CC -!- SIMILARITY: Belongs to the GPI family. {ECO:0000256|ARBA:ARBA00006604,
CC ECO:0000256|HAMAP-Rule:MF_00473, ECO:0000256|RuleBase:RU000612}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OLP16574.1}.
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DR EMBL; MQTZ01000048; OLP16574.1; -; Genomic_DNA.
DR RefSeq; WP_075600373.1; NZ_MQTZ01000048.1.
DR AlphaFoldDB; A0A1Q8Z8L4; -.
DR STRING; 1922337.BST81_20470; -.
DR OrthoDB; 140919at2; -.
DR UniPathway; UPA00109; UER00181.
DR UniPathway; UPA00138; -.
DR Proteomes; UP000186296; Unassembled WGS sequence.
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; GLUCOSE-6-PHOSPHATE ISOMERASE; 1.
DR PANTHER; PTHR11469:SF1; GLUCOSE-6-PHOSPHATE ISOMERASE; 1.
DR Pfam; PF00342; PGI; 2.
DR PRINTS; PR00662; G6PISOMERASE.
DR SUPFAM; SSF53697; SIS domain; 1.
DR PROSITE; PS00174; P_GLUCOSE_ISOMERASE_2; 1.
DR PROSITE; PS51463; P_GLUCOSE_ISOMERASE_3; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00473};
KW Gluconeogenesis {ECO:0000256|ARBA:ARBA00022432, ECO:0000256|HAMAP-
KW Rule:MF_00473};
KW Glycolysis {ECO:0000256|ARBA:ARBA00023152, ECO:0000256|HAMAP-
KW Rule:MF_00473};
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_00473};
KW Reference proteome {ECO:0000313|Proteomes:UP000186296}.
FT ACT_SITE 322
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00473"
FT ACT_SITE 351
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00473"
FT ACT_SITE 455
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00473"
SQ SEQUENCE 528 AA; 58019 MW; E03887B63CE69770 CRC64;
MDNLELWQRY QEWLYYHPGI NLYLDVSRMR FNPELVQALE PKFVRAFQDM AALEGGAIAN
PDEDRMVGHY WLRDPDLAPS EALKQEIRES LDQIETFVRK VHSGAIRPPH AERFTDILAI
GIGGSALGPQ FVAEALAPHH PPMAIHFVDN IDPAGIDRTL AQLGDRLDRT LVIVTSKSGG
TPETRNGMLE VSHVYQQKGL AFSQHAVAIT MKGSKMDEYA TSEHWLASFP MFDWVGGRTS
ELSAVGLLPA ALQGIDIRAM LAGAKEMDGA TRISDLKTNP AALLALAWYH AGGGKGEKDM
VILPYKDSLL LFSRYLQQLV MESLGKEKDL EGQTVYQGIA VYGNKGSTDQ HAYVQQLREG
VPNFFLTFIE VLEDRQGNVL ELEPGITSGD YLSGLLMGTR QALYENQRDS ITITIPRVNP
YTVGALIALY ERAVGLYASL VNINAYHQPG VEAGKKAAAS VLDLQKRVLQ ALQVTTEPIG
LATLAAKAGA ADQVEAVYKI VRHLEANHRG VKLEGDRARP GMLKVLAG
//
