Epilepsy, Early-Onset, 1, Vitamin B6-Dependent, is also known as epilepsy, early-onset, vitamin b6-dependent. An important gene associated with Epilepsy, Early-Onset, 1, Vitamin B6-Dependent is PLPBP (Pyridoxal Phosphate Binding Protein). Affiliated tissues include brain, and related phenotypes are global developmental delay and tonic seizure