Homo sapiens Protein: GGH
Summary
InnateDB Protein IDBP-23339.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol GGH
Protein Name gamma-glutamyl hydrolase (conjugase, folylpolygammaglutamyl hydrolase)
Synonyms GH;
Species Homo sapiens
Ensembl Protein ENSP00000260118
InnateDB Gene IDBG-23337 (GGH)
Protein Structure
UniProt Annotation
Function Hydrolyzes the polyglutamate sidechains of pteroylpolyglutamates. Progressively removes gamma-glutamyl residues from pteroylpoly-gamma-glutamate to yield pteroyl-alpha- glutamate (folic acid) and free glutamate. May play an important role in the bioavailability of dietary pteroylpolyglutamates and in the metabolism of pteroylpolyglutamates and antifolates.
Subcellular Localization Secreted, extracellular space. Lysosome. Melanosome. Note=While its intracellular location is primarily the lysosome, most of the enzyme activity is secreted. Identified by mass spectrometry in melanosome fractions from stage I to stage IV.
Disease Associations
Tissue Specificity
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 16 experimentally validated interaction(s) in this database.
Experimentally validated
Total 16 [view]
Protein-Protein 13 [view]
Protein-DNA 3 [view]
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0008238 exopeptidase activity
GO:0008242 omega peptidase activity
GO:0016787 hydrolase activity
GO:0034722 gamma-glutamyl-peptidase activity
Biological Process
GO:0006508 proteolysis
GO:0006541 glutamine metabolic process
GO:0010043 response to zinc ion
GO:0032868 response to insulin
GO:0042493 response to drug
GO:0045471 response to ethanol
Cellular Component
GO:0005615 extracellular space
GO:0005634 nucleus
GO:0005764 lysosome
GO:0005829 cytosol
GO:0042470 melanosome
GO:0070062 extracellular vesicular exosome
Protein Structure and Domains
PDB ID
InterPro IPR011697 Peptidase C26
IPR017926 Glutamine amidotransferase
IPR029062 Class I glutamine amidotransferase-like
PFAM PF07722
PF00117
PRINTS
PIRSF
SMART
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt Q92820
PhosphoSite PhosphoSite-Q92820
TrEMBL
UniProt Splice Variant
Entrez Gene 8836
UniGene Hs.78619
RefSeq NP_003869
HUGO HGNC:4248
OMIM 601509
CCDS CCDS6177
HPRD 03299
IMGT
EMBL AF147081 AF147082 AF147083 BC025025 U55206
GenPept AAC05579 AAF03360 AAH25025