Probably plays a role as positive regulator of autophagy. Interacts with the ATG8 family members GABARAP, GABARAPL1, GABARAPL2, MAP1LC3B and MAP1LC3C. Detected in skin fibroblast (at protein level). The disease is caused by variants affecting the gene represented in this entry. Belongs to the WD repeat KIAA0329 family. Extended N-terminus.