Its chemical formula is H2NCH2CH2CH2COOH . It forms needle -shaped or lobular crystals that are easily soluble in water. Its melting point is 202°C. It is a type of amino acid that exists in living organisms. Although it is not an amino acid that constitutes protein, it acts as a neurotransmitter in many animal bodies. In mammals, it is found in the spinal cord, cerebellum, hippocampus, and substantia nigra, and is thought to increase the permeability of chloride ions Cl(-/) and act as an inhibitory neurotransmitter. In neuroscience, it is often abbreviated as GABA. Source : Heibonsha Encyclopedia About MyPedia Information |
化学式はH2NCH2CH2CH2COOH。水に易溶の針状または小葉状の結晶。融点202℃。生体に存在するアミノ酸の一種。タンパク質を構成するアミノ酸ではないが,多くの動物体内で神経伝達物質として働く。哺乳(ほにゅう)類では脊髄・小脳・海馬・黒質などに見出され,多くは塩素イオンCl(-/)の透過性を高め,抑制性神経伝達物質として作用すると考えられる。神経科学では,GABA(ギャバ)と略称されることが多い。
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