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Protein

Glucose-6-phosphate isomerase

Gene

GPI

Organism
Pongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Status
Reviewed-Annotation score: Annotation score: 4 out of 5-Experimental evidence at transcript leveli

Functioni

Besides it's role as a glycolytic enzyme, mammalian GPI can function as a tumor-secreted cytokine and an angiogenic factor (AMF) that stimulates endothelial cell motility. GPI is also a neurotrophic factor (Neuroleukin) for spinal and sensory neurons (By similarity).By similarity

Catalytic activityi

D-glucose 6-phosphate = D-fructose 6-phosphate.

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei358 – 3581Proton donorBy similarity
Active sitei389 – 3891By similarity
Active sitei519 – 5191By similarity

GO - Molecular functioni

  1. glucose-6-phosphate isomerase activity Source: UniProtKB-EC

GO - Biological processi

  1. angiogenesis Source: UniProtKB-KW
  2. gluconeogenesis Source: UniProtKB-KW
  3. glycolytic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Cytokine, Isomerase

Keywords - Biological processi

Angiogenesis, Gluconeogenesis, Glycolysis

Enzyme and pathway databases

UniPathwayiUPA00109; UER00181.

Names & Taxonomyi

Protein namesi
Recommended name:
Glucose-6-phosphate isomerase (EC:5.3.1.9)
Short name:
GPI
Alternative name(s):
Autocrine motility factor
Short name:
AMF
Neuroleukin
Short name:
NLK
Phosphoglucose isomerase
Short name:
PGI
Phosphohexose isomerase
Short name:
PHI
Gene namesi
Name:GPI
OrganismiPongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Taxonomic identifieri9601 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaePongo
ProteomesiUP000001595 Componenti: Unplaced

Subcellular locationi

Cytoplasm. Secreted By similarity

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
  2. extracellular space Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11RemovedBy similarity
Chaini2 – 558557Glucose-6-phosphate isomerasePRO_0000180539Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei2 – 21N-acetylalanineBy similarity
Modified residuei12 – 121N6-acetyllysineBy similarity
Modified residuei109 – 1091PhosphothreonineBy similarity
Modified residuei142 – 1421N6-acetyllysineBy similarity
Modified residuei185 – 1851Phosphoserine; by CK2By similarity
Modified residuei454 – 4541N6-malonyllysineBy similarity

Post-translational modificationi

ISGylated.By similarity

Keywords - PTMi

Acetylation, Phosphoprotein, Ubl conjugation

Proteomic databases

PRIDEiQ5R4E3.

Interactioni

Subunit structurei

Homodimer in the catalytically active form, monomer in the secreted form.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ5R4E3.
SMRiQ5R4E3. Positions 2-556.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the GPI family.Curated

Phylogenomic databases

HOVERGENiHBG002877.
InParanoidiQ5R4E3.
KOiK01810.

Family and domain databases

Gene3Di1.10.1390.10. 1 hit.
HAMAPiMF_00473. G6P_isomerase.
InterProiIPR001672. G6P_Isomerase.
IPR023096. G6P_Isomerase_C.
IPR018189. Phosphoglucose_isomerase_CS.
[Graphical view]
PANTHERiPTHR11469. PTHR11469. 1 hit.
PfamiPF00342. PGI. 1 hit.
[Graphical view]
PRINTSiPR00662. G6PISOMERASE.
PROSITEiPS00765. P_GLUCOSE_ISOMERASE_1. 1 hit.
PS00174. P_GLUCOSE_ISOMERASE_2. 1 hit.
PS51463. P_GLUCOSE_ISOMERASE_3. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q5R4E3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAALTRDPQF QKLQQWYREH GSELNLRRLF DANKDRFNHF SLTLNTNHGH
60 70 80 90 100
ILVDYSKNLV TEDVMRMLVD LAKSRGVEAA RERMFNGEKI NYTEGRAVLH
110 120 130 140 150
VALRNRSNTP ILVDGKDVMP EVNKVLDKMK SFCQRVRSGD WKGYTGKTIT
160 170 180 190 200
DIINIGIGGS DLGPLMVTEA LKPYSSGGPR VWYVSNIDGT HIAKTLAQLN
210 220 230 240 250
PESSVSIIAS KTFTTQETIT NAETAKEWFL QTAKDPSAVA KHFVALSTNT
260 270 280 290 300
TKVKEFGIDP QNMFEFWDWV GGRYSLWSAI GLSIALHVGF DNFEQLLSGA
310 320 330 340 350
HWMDQHFRTT PLEKNAPVLL ALLGIWYINC FGCETHAMLP YDQYLHRFAA
360 370 380 390 400
YFQQGDMESN GKYITKSGTR VDHQTGPIVW GEPGTNGQHA FYQLIHQGTK
410 420 430 440 450
MIPCDFLIPV QTQHPIRKGL HHKVLLANFL AQTEALMRGK STEEARKELQ
460 470 480 490 500
AAGKSPEDLE RLLPHKVFEG NRPTNSIVFT KLTPFMLGAL VAMYEHKIFV
510 520 530 540 550
QGIIWDINSF DQWGVELGKQ LAKKIEPELD GSAQVTSHDA STNGLINFIK

QQREARIQ
Length:558
Mass (Da):63,018
Last modified:January 23, 2007 - v3
Checksum:iD8A5039C0E4C2B06
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CR861307 mRNA. Translation: CAH93373.1.
RefSeqiNP_001126984.1. NM_001133512.1.
UniGeneiPab.18209.

Genome annotation databases

GeneIDi100174006.
KEGGipon:100174006.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CR861307 mRNA. Translation: CAH93373.1.
RefSeqiNP_001126984.1. NM_001133512.1.
UniGeneiPab.18209.

3D structure databases

ProteinModelPortaliQ5R4E3.
SMRiQ5R4E3. Positions 2-556.
ModBaseiSearch...
MobiDBiSearch...

Proteomic databases

PRIDEiQ5R4E3.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi100174006.
KEGGipon:100174006.

Organism-specific databases

CTDi2821.

Phylogenomic databases

HOVERGENiHBG002877.
InParanoidiQ5R4E3.
KOiK01810.

Enzyme and pathway databases

UniPathwayiUPA00109; UER00181.

Family and domain databases

Gene3Di1.10.1390.10. 1 hit.
HAMAPiMF_00473. G6P_isomerase.
InterProiIPR001672. G6P_Isomerase.
IPR023096. G6P_Isomerase_C.
IPR018189. Phosphoglucose_isomerase_CS.
[Graphical view]
PANTHERiPTHR11469. PTHR11469. 1 hit.
PfamiPF00342. PGI. 1 hit.
[Graphical view]
PRINTSiPR00662. G6PISOMERASE.
PROSITEiPS00765. P_GLUCOSE_ISOMERASE_1. 1 hit.
PS00174. P_GLUCOSE_ISOMERASE_2. 1 hit.
PS51463. P_GLUCOSE_ISOMERASE_3. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. The German cDNA consortium
    Submitted (OCT-2004) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Brain cortex.

Entry informationi

Entry nameiG6PI_PONAB
AccessioniPrimary (citable) accession number: Q5R4E3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 12, 2005
Last sequence update: January 23, 2007
Last modified: March 4, 2015
This is version 63 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.