TH: an enzyme involved in the conversion of phenylalanine to dopamine. As the rate-limiting enzyme in the synthesis of catecholamines, tyrosine hydroxylase has a key role in the physiology of adrenergic neurons. Four splice variant isoforms have been described.
Protein type: Mitochondrial; Oxidoreductase; Vesicle; Endoplasmic reticulum; EC 1.14.16.2; Amino Acid Metabolism - tyrosine
Chromosomal Location of Human Ortholog: 11p15.5
Cellular Component: synaptic vesicle; neuron projection; internal side of plasma membrane; smooth endoplasmic reticulum; mitochondrion; cytoplasm; dendrite; melanosome membrane; terminal button; perikaryon; cytoplasmic vesicle; nucleus; cytosol
Molecular Function: amino acid binding; protein domain specific binding; protein binding; enzyme binding; ferric iron binding; ferrous iron binding; dopamine binding; oxygen binding; tyrosine 3-monooxygenase activity
Biological Process: heart morphogenesis; synaptic transmission, dopaminergic; response to peptide hormone stimulus; heart development; response to lipopolysaccharide; locomotory behavior; dopamine biosynthetic process; fatty acid metabolic process; regulation of heart contraction; phytoalexin metabolic process; response to salt stress; response to estradiol stimulus; norepinephrine biosynthetic process; dopamine biosynthetic process from tyrosine; catecholamine biosynthetic process; sensory perception of sound; visual perception; response to electrical stimulus; glycoside metabolic process; epinephrine biosynthetic process; response to pyrethroid; neurotransmitter biosynthetic process; response to corticosterone stimulus; response to nutrient levels; response to light stimulus; anatomical structure morphogenesis; terpene metabolic process; sphingolipid metabolic process; eating behavior; response to amphetamine; phthalate metabolic process; mating behavior; multicellular organismal aging; isoquinoline alkaloid metabolic process; social behavior; response to herbicide; learning; response to ether; synaptic vesicle amine transport; memory; eye photoreceptor cell development; organ morphogenesis; circadian sleep/wake cycle; response to ethanol; pigmentation; response to zinc ion; response to hypoxia; embryonic camera-type eye morphogenesis; response to activity; cerebral cortex development; response to water deprivation
Disease: Segawa Syndrome, Autosomal Recessive
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