Arthrogryposis, Distal, Type 4, also known as distal arthrogryposis type 4, is related to alzheimer disease, familial, 1 and photoallergic dermatitis, and has symptoms including torticollis An important gene associated with Arthrogryposis, Distal, Type 4 is SNORA4 (Small Nucleolar RNA, H/ACA Box 4), and among its related pathways/superpathways are Thermogenesis and G-protein signaling_Rap2B regulation pathway. Related phenotypes are scoliosis and nystagmus