Rat liver histidyl-tRNA synthetase. Purification and inhibition by the myositis-specific anti-Jo-1 autoantibody.
Rat liver histidyl-tRNA synthetase. Purification and inhibition by the myositis-specific anti-Jo-1 autoantibody.
复制标题
大鼠肝脏组氨酰-tRNA 合成酶。
DOI:
10.1016/0006-291x(84)91407-4
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发表时间:
1984
影响因子:
3.1
通讯作者:
Arnett,FC
中科院分区:
文献类型:
--
作者:
Yang,DC;Dang,CV;Arnett,FC
Myositis is an autoimmune inflammatory muscle disease of unknown etiology. We demonstrate directly that the antigen to the myositis-specific anti-Jo-1 antibody is histidyl-tRNA synthetase. The anti-Jo-1 antibody inhibits human HeLa and rat liver histidyl-tRNA synthetase. Using conventional and immunoaffinity chromatography with immobilized anti-Jo-1 antibody, we have purified rat liver histidyl-tRNA synthetase which has a subunit Mr64,000 and an estimated native Mrsuggesting an α2structure. The evidence indicates that the Jo-1 antigen is histidyl-tRNA synthetase, and that some of the histidyl-tRNA synthetase structure are conserved across species.
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