ALDH7A1: Multifunctional enzyme mediating important protective effects. Metabolizes betaine aldehyde to betaine, an important cellular osmolyte and methyl donor. Protects cells from oxidative stress by metabolizing a number of lipid peroxidation-derived aldehydes. Involved in lysine catabolism. Defects in ALDH7A1 are the cause of pyridoxine-dependent epilepsy (PDE). PDE is characterized by a combination of various seizure types. It usually occurs in the first hours of life and is unresponsive to standard anticonvulsants, responding only to immediate administration of pyridoxine hydrochloride. Belongs to the aldehyde dehydrogenase family. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: Amino Acid Metabolism - arginine and proline; Amino Acid Metabolism - valine, leucine and isoleucine degradation; EC 1.2.1.8; Carbohydrate Metabolism - pyruvate; Mitochondrial; Carbohydrate Metabolism - butanoate; Amino Acid Metabolism - lysine degradation; Carbohydrate Metabolism - propanoate; Lipid Metabolism - fatty acid; Secondary Metabolites Metabolism - limonene and pinene degradation; Amino Acid Metabolism - histidine; Amino Acid Metabolism - tryptophan; EC 1.2.1.3; EC 1.2.1.31; Carbohydrate Metabolism - glycolysis and gluconeogenesis; Oxidoreductase; Other Amino Acids Metabolism - beta-alanine; Lipid Metabolism - glycerolipid; Carbohydrate Metabolism - ascorbate and aldarate
Chromosomal Location of Human Ortholog: 5q31
Cellular Component: mitochondrion; mitochondrial matrix; cytoplasm; cytosol; nucleus
Molecular Function: L-aminoadipate-semialdehyde dehydrogenase activity; protein binding; aldehyde dehydrogenase (NAD) activity; betaine-aldehyde dehydrogenase activity
Biological Process: sensory perception of sound; glycine betaine biosynthetic process from choline; lysine catabolic process; aldehyde metabolic process
Disease: Epilepsy, Pyridoxine-dependent
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