[动物中氨酰 - tRNA合成酶的高分子量形式。I. 兔肝胞质溶胶中高分子量合成酶的含量及酶组成]
[High molecular weight forms of aminoacyl-tRNA synthetases in animals. I. Amount and enzymatic composition of high molecular weight synthetase in cytosol from rabbit liver].
作者信息
Berbeć H, Paszkowska A
机构信息
Katedra i Zakład Chemii Fizjologicznej, Akademia Medyczna w Lublinie.
出版信息
Ann Univ Mariae Curie Sklodowska Med. 1993;48:29-34.
PMID:8534160
Abstract
A high-molecular-weight complex composed of 15 amino acid-tRNA synthetases occurs in the rabbit liver cytosol apart from the free enzymes. The greatest activities in the complex are exhibited by lysyl- and arginyl-tRNA synthetases. The complex has the mass of about 4,000 kDa and the sedimentation constant about 19 S.
摘要
除了游离酶之外，兔肝胞质溶胶中还存在一种由15种氨基酸 - tRNA合成酶组成的高分子量复合物。该复合物中赖氨酸 - 和精氨酸 - tRNA合成酶的活性最高。该复合物的质量约为4000 kDa，沉降常数约为19 S。
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