Aliases for WIPI2 Gene
External Ids for WIPI2 Gene
Previous GeneCards Identifiers for WIPI2 Gene
WD40 repeat proteins are key components of many essential biologic functions. They regulate the assembly of multiprotein complexes by presenting a beta-propeller platform for simultaneous and reversible protein-protein interactions. Members of the WIPI subfamily of WD40 repeat proteins, such as WIPI2, have a 7-bladed propeller structure and contain a conserved motif for interaction with phospholipids (Proikas-Cezanne et al., 2004 [PubMed 15602573]).[supplied by OMIM, Mar 2008]
GeneCards Summary for WIPI2 Gene
WIPI2 (WD Repeat Domain, Phosphoinositide Interacting 2) is a Protein Coding gene. Diseases associated with WIPI2 include Intellectual Developmental Disorder With Short Stature And Variable Skeletal Anomalies and Neurodegeneration With Brain Iron Accumulation 5. Among its related pathways are Autophagy - animal and Autophagy Pathway. Gene Ontology (GO) annotations related to this gene include phosphatidylinositol-3-phosphate binding and phosphatidylinositol-3,5-bisphosphate binding. An important paralog of this gene is WIPI1.
UniProtKB/Swiss-Prot Summary for WIPI2 Gene
Component of the autophagy machinery that controls the major intracellular degradation process by which cytoplasmic materials are packaged into autophagosomes and delivered to lysosomes for degradation (PubMed:20505359, PubMed:28561066). Involved in an early step of the formation of preautophagosomal structures (PubMed:20505359, PubMed:28561066). Binds and is activated by phosphatidylinositol 3-phosphate (PtdIns3P) forming on membranes of the endoplasmic reticulum upon activation of the upstream ULK1 and PI3 kinases (PubMed:28561066). Once activated, WIPI2 recruits at phagophore assembly sites the ATG12-ATG5-ATG16L1 complex that directly controls the elongation of the nascent autophagosomal membrane (PubMed:20505359, PubMed:28561066).
[Isoform 4]: Recruits the ATG12-ATG5-ATG16L1 complex to omegasomes and preautophagosomal structures, resulting in ATG8 family proteins lipidation and starvation-induced autophagy. Isoform 4 is also required for autophagic clearance of pathogenic bacteria. Isoform 4 binds the membrane surrounding Salmonella and recruits the ATG12-5-16L1 complex, initiating LC3 conjugation, autophagosomal membrane formation, and engulfment of Salmonella.