|Molecular function||• tRNA binding
• tyrosine-tRNA ligase activity
• signal transducer activity
• interleukin-8 receptor binding
• ATP binding
|Cellular component||• extracellular space
|Biological process||• tRNA aminoacylation for protein translation
• tyrosyl-tRNA aminoacylation
• apoptotic process
• signal transduction
• gene expression
|Sources: Amigo / QuickGO|
33.24 – 33.28 Mb
129.19 – 129.22 Mb
Tyrosyl-tRNA synthetase, cytoplasmic is an enzyme that in humans is encoded by the YARS gene.
Aminoacyl-tRNA synthetases catalyze the aminoacylation of tRNA by their cognate amino acid. Because of their central role in linking amino acids with nucleotide triplets contained in tRNAs, aminoacyl-tRNA synthetases are thought to be among the first proteins that appeared in evolution. Tyrosyl-tRNA synthetase belongs to the class I tRNA synthetase family. Cytokine activities have also been observed for the human tyrosyl-tRNA synthetase, after it is split into two parts, an N-terminal fragment that harbors the catalytic site and a C-terminal fragment found only in the mammalian enzyme. The N-terminal fragment is an interleukin-8-like cytokine, whereas the released C-terminal fragment is an EMAP II-like cytokine.
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