Tyrosine hydroxylase (TH) catalyzes the rate-limiting step in the synthesis of the catecholamine neurotransmitters and hormones dopamine (DA). adrenaline and noradrenaline. Here. the authors present the cryo-EM structures of full-length human TH in the apo form and bound with DA. https://fitnessgravesyardes.shop/product-category/cup-holder/