Peroxisome Biogenesis Disorder 3b, is also known as peroxisome biogenesis disorder type 3b, and has symptoms including decreased tendon reflex An important gene associated with Peroxisome Biogenesis Disorder 3b is PEX12 (Peroxisomal Biogenesis Factor 12). Affiliated tissues include liver and brain, and related phenotypes are intellectual disability and nystagmus