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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:
5201975
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
功能性抗原受体基因在淋巴细胞中的组装 已知V(D)j重组(通常称为V(D)j重组)取决于 RAG-1和RAG-2基因的产物,但尚不清楚是否 这些蛋白质在重组中直接起作用, 活化剂。 众所周知,膨胀开始时会有一个双兰德断裂 在DNA中,正好在每个编码片段和它的 相邻重组信号序列。 我们现在已经成功地 在无细胞反应中再现该特定的断裂步骤, 只有纯化的RG-1和RAG-2蛋白。 因此,RAG-1和RAG-2起作用 直接在V(D)J重组,并包含所有的信息, 反应的位点特异性。
英文摘要
The assembly of functional antigen receptor genes in lymphoid cells (generally known as V (D)j recombination) is known to depend on the products of the RAG-1 and RAG-2 genes, but it has not been clear whether these proteins act directly in recombination or whether they are indirect activators. Recombination is known to begin with a double st rand break in DNA, exactly at the border between each coding segment and its neighboring recombination signal sequence. We have now succeeded in reproducing this specific breakage step in a cell-free reaction requiring only the purified RG-1 and RAG-2 proteins. Thus RAG-1 and RAG-2 act directly in V(D)J recombination, and contain all the information for the site specificity of the reaction.
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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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