Abstract 3974 Pathogenic or not Pathogenic: Sequence Variant Classification Rules for Ornithine Transcarbamylase, N-Acetylglutamate Synthase and Carbamylphosphate Synthetase 1 - Ljubica Caldovic; Kennedy Blancher; Yem Nguimbous; Alyssa Kowalczyk; Hiroki Morizono; Nicholas AhMew; Kara Sympson; Mirian Nybor; UCD VCEP (Journal of Biological Chemistry, 2026)