Epilepsy, action tremor, ataxia, hyperprolinemia Myoclonus-Ataxia Syndrome Associated with Hyperprolinemia Type I Keywords: epilepsy; action tremor; ataxia; hyperprolinemia EN epilepsy action tremor ataxia hyperprolinemia S38 S40 3 08/28/23 20230802 NES 230802 Hyperprolinemiatype I (HPIOMIM# 239500) is a rare autosomal recessive metabolic disorder of proline metabolism caused by deficiency in enzyme proline oxidase, also known as proline dehydrogenase (PRODH) encoded by I PRODH i gene located on the chromosome 22 (22q11.21). [Extracted from the article]