NDUFB3 (NADH:Ubiquinone Oxidoreductase Subunit B3) is a Protein Coding gene. Diseases associated with NDUFB3 include Mitochondrial Complex I Deficiency and Juvenile Amyotrophic Lateral Sclerosis. Among its related pathways are Metabolism and Respiratory electron transport, ATP synthesis by chemiosmotic coupling, and heat production by uncoupling proteins.