Hyperprolinemia, Type Ii, also known as hyperprolinemia type 2, is related to hyperprolinemia, type i and hyperprolinemia. An important gene associated with Hyperprolinemia, Type Ii is ALDH4A1 (Aldehyde Dehydrogenase 4 Family Member A1), and among its related pathways/superpathways are Metabolism and Regulation of expression of SLITs and ROBOs. Affiliated tissues include eye and brain, and related phenotypes are intellectual disability and seizure