蛋氨酸在骨骼肌中会发生转氨作用吗？
Is methionine transaminated in skeletal muscle?
作者信息
Wu G Y, Thompson J R
机构信息
Department of Animal Science, University of Alberta, Edmonton, Canada.
出版信息
Biochem J. 1989 Jan 1;257(1):281-4. doi: 10.1042/bj2570281.
Abstract
Methionine transamination is extensive in rat and chick skeletal-muscle homogenates, but is barely detectable in intact rat, but not chick, skeletal muscles. Branched-chain amino acids essentially block methionine transamination in intact muscles and homogenates from both species. The physiological significance of methionine transamination in skeletal muscle is questioned.
摘要
甲硫氨酸转氨作用在大鼠和鸡的骨骼肌匀浆中广泛存在，但在完整的大鼠骨骼肌中几乎检测不到，而在鸡的完整骨骼肌中则可以检测到。支链氨基酸基本上会阻断两种动物完整肌肉和匀浆中的甲硫氨酸转氨作用。骨骼肌中甲硫氨酸转氨作用的生理意义受到质疑。
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