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STUDIES OF IMMUNOGLOBULIN GENE REARRANGEMENT

STUDIES OF IMMUNOGLOBULIN GENE REARRANGEMENT
免疫球蛋白基因重排的研究
批准号:
3754210
负责人:
M GELLERT
金额:
$0.0万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
起止时间:
至

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中文摘要
翻译
已知RAG-1和RAG-2基因的产物是唯一的 抗原重排所需的淋巴特异性因子 受体基因(通常称为V(D)J重组)。 我们取得了 小鼠RAG-1和RAG-2基因中的大量突变, 目的是了解不同部分的功能, proteins. 到目前为止,我们已经了解到这两种蛋白质的大部分都是 用于重组活性。 RAG-1的N-末端35%可 在不显著降低活性的情况下被去除;同样,C- RAG-2的末端25%不是必需的。 删除的区域包括 RAG-1中的锌指基序和RAG-2中的高酸性序列, 因此被证明是不必要的。
英文摘要
The products of the RAG-1 and RAG-2 genes are known to be the only lymphoid-specific factors required for the rearrangement of antigen receptor genes (generally known as V(D)J recombination). We have made a large number of mutations in the mouse RAG-1 and RAG-2 genes, for the purpose of understanding the functions of different parts of the proteins. So far, we have learned that large parts of both proteins are dispensable for recombination activity. The N-terminal 35% of RAG-1 can be removed without a significant decrease of activity; similarly, the C- terminal 25% of RAG-2 is not essential. The deleted regions include a zinc-finger motif in RAG-1 and a highly acidic sequence in RAG-2, which are thus shown to be non-essential.
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EFFECTS OF DNA SUPERCOILING ON THE TOPOLOGICAL PROPERTIES OF NUCLEOSOMES
EFFECTS OF DNA SUPERCOILING ON THE TOPOLOGICAL PROPERTIES OF NUCLEOSOMES
STUDIES OF IMMUNOGLOBULIN GENE REARRANGEMENT
EFFECTS OF DNA SUPERCOILING ON THE TOPOLOGICAL PROPERTIES OF NUCLEOSOMES
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