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1991年Taniguchi等从猪脾cDNA首先发现脾酪氨酸激酶(spleen tyrosine kinase,Syk)基因,其编码产物Syk是一种非受体型蛋白酪氨酸激酶,故称之为Syk。Syk蛋白由N端的2个串联Src同源结构域2(SH2)和C端1个激酶结构域组成
In 1991, Taniguchi et al. First discovered the spleen tyrosine kinase (Syk) gene from porcine spleen cDNA. The gene encoding Syk is a non-receptor protein tyrosine kinase, so it is called Syk. The Syk protein consists of two tandem Src homology domain 2 (SH2) N-terminal and one C-terminal kinase domain