3D structure of the IDH3 complex and the location of the missense variants.
The IDH3 protein complex contains two alpha subunits (pink, yellow), one beta
subunit (purple) and one gamma subunit (blue). Missense variants are indicated
in red in only one of the two alpha subunits for clarity. In patients with
compound heterozygous variants, the NAD-IDH complex may consist of two identical
alpha subunits altered by the same variant or two different alpha subunits.