Selenocysteine | 蔬菜好營養
由TCStadtman著作·1996·被引用1201次—Selenocysteineisrecognizedasthe21staminoacidinribosome-mediatedproteinsynthesisanditsspecificincorporationisdirectedbytheUGAcodon.
Selenocysteine is recognized as the 21st amino acid in ribosome-mediated protein synthesis and its specific incorporation is directed by the UGA codon. Unique tRNAs that have complementary UCA anticodons are aminoacylated with serine, the seryl-tRNA is converted to selenocysteyl-tRNA and the latter binds specifically to a special elongation factor and is delivered to the ribosome. Recognition elements within the mRNAs are essential for translation of UGA as selenocysteine. A reactive oxygen-labile compound, selenophosphate, is the selenium donor required for synthesis of selenocysteyl-tRNA. Selenophosphate synthetase, which forms selenophosphate from selenide and ATP, is found in various prokaryotes, eukaryotes, and archaebacteria. The distribution and properties of selenocysteine-containing enzymes and proteins that have been discovered to date are discussed. Artificial selenoenzymes such as selenosubtilisin have b...
Selenocysteine | 蔬菜好營養
Selenocysteine | 蔬菜好營養
Selenocysteine | 蔬菜好營養
Synthesis and decoding of selenocysteine and human health | 蔬菜好營養
硒半胱氨酸 | 蔬菜好營養
硒半胱胺酸(Selenocysteine) | 蔬菜好營養
硒氨酸Selenocysteine--- | 蔬菜好營養
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