Homo sapiens Protein: GPAA1
Summary
InnateDB Protein IDBP-39951.7
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol GPAA1
Protein Name glycosylphosphatidylinositol anchor attachment protein 1 homolog (yeast)
Synonyms GAA1; hGAA1;
Species Homo sapiens
Ensembl Protein ENSP00000354316
InnateDB Gene IDBG-39947 (GPAA1)
Protein Structure
UniProt Annotation
Function Essential for GPI-anchoring of precursor proteins but not for GPI synthesis. Acts before or during formation of the carbonyl intermediate. {ECO:0000269PubMed:9468317}.
Subcellular Localization Endoplasmic reticulum membrane {ECO:0000269PubMed:11483512}; Multi-pass membrane protein {ECO:0000269PubMed:11483512}.
Disease Associations
Tissue Specificity Ubiquitously expressed in fetal and adult tissues. Expressed at higher levels in fetal tissues than adult tissues. {ECO:0000269PubMed:9468317}.
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 12 experimentally validated interaction(s) in this database.
Experimentally validated
Total 12 [view]
Protein-Protein 12 [view]
Protein-DNA 0
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0003923 GPI-anchor transamidase activity
GO:0005515 protein binding
GO:0015631 tubulin binding
GO:0034235 GPI anchor binding
Biological Process
GO:0006461 protein complex assembly
GO:0006501 C-terminal protein lipidation
GO:0006621 protein retention in ER lumen
GO:0016255 attachment of GPI anchor to protein
GO:0043687 post-translational protein modification
GO:0044267 cellular protein metabolic process
Cellular Component
GO:0005789 endoplasmic reticulum membrane
GO:0016020 membrane
GO:0016021 integral component of membrane
GO:0042765 GPI-anchor transamidase complex
Protein Structure and Domains
PDB ID
InterPro IPR007246 Gaa1-like, GPI transamidase component
IPR017063 Glycosylphosphatidylinositol:protein transamidase complex, GAA1 component
PFAM PF04114
PRINTS
PIRSF PIRSF036762
SMART
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt O43292
PhosphoSite PhosphoSite-O43292
TrEMBL
UniProt Splice Variant
Entrez Gene 8733
UniGene Hs.627962
RefSeq
HUGO HGNC:4446
OMIM 603048
CCDS
HPRD 04334
IMGT
EMBL AB002135 AB002137 AB006969 AB017267 AL157437 BC003171 BC004129 BC006383
GenPept AAH03171 AAH04129 AAH06383 BAA24035 BAA82587 BAA82588 BAA82590 CAB75660