The amount of a NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 3 when measured in blood serum. The trait is OBA_2044730 (level of NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 3 in blood serum). Also known as: blood serum NADH dehydrogenase [ubiquinone] 1 alpha subcomplex assembly factor 3 amount.