While ULK1, ULK2, and ULK3 have been characterized, and very little is known about ULK4. Recently, deletions in ULK4 have genetically linked to increased susceptibility to developing schizophrenia, which is a devastating neuropsychiatric disease with high heritability (Khamrui et al., 2019). The gene discussed is ULK2; the disease is schizophrenia.