脊椎动物视网膜中的乙醛酸转氨酶活性
Glyoxylate aminotransferase activity in vertebrate retina.
作者信息
Dasgupta P, Narayanaswami A
出版信息
J Neurochem. 1981 Dec;37(6):1603-6. doi: 10.1111/j.1471-4159.1981.tb06333.x.
Abstract
Glyoxylate aminotransferase activity with L-glutamate, L-glutamine and L-alanine as substrates, has been estimated in rat, guinea pig and goat retinae. Enhanced enzyme activity was found in the presence of Triton X-100. The presence of significant aminotransferase activity raises a possibility of glyoxylate as a precursor of glycine in vertebrate retina.
摘要
以L-谷氨酸、L-谷氨酰胺和L-丙氨酸为底物，对大鼠、豚鼠和山羊视网膜中的乙醛酸转氨酶活性进行了测定。在Triton X-100存在的情况下，发现酶活性增强。显著的转氨酶活性表明，在脊椎动物视网膜中，乙醛酸有可能作为甘氨酸的前体。
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