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蛋白酪氨酸磷酸酶非受体型22在自身免疫性疾病中的研究进展 被引量:1

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摘要 蛋白酪氨酸磷酸酶非受体型22(protein tyrosine phosphatase nonreceptor 22,PTPN22)是编码淋巴特异性蛋白酪氨酸磷酸酶(lymphoid protein tyrosine phosphatase,LYP)的基因,位于1号染色体短臂(1p13)。LYP是T细胞活化过程中的一种起调节作用的蛋白酪氨酸磷酸酶,相对分子质量约为110000,由C端富含脯氨酸的基序和N端磷酸酶活性区域组成,主要分布在淋巴细胞内。它通过C端一个命名为P1的富含脯氨酸基序与Csk蛋白酪氨酸激酶的SH3结构域连接。协同Csk抑制T细胞活化。
出处 《中华风湿病学杂志》 CAS CSCD 2006年第11期690-691,共2页 Chinese Journal of Rheumatology
基金 国家自然科学基金资助项目(30471617)
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