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小鼠Ia同种异体抗原的结构研究。V. I-E/Cβ多肽结构基因在I-A亚区内编码的证据。

Structural studies on the murine Ia alloantigens. V. Evidence that the structural gene for the I-E/C beta polypeptide is encoded within the I-A subregion.

作者信息

Cook R G, Vitetta E S, Uhr J W, Capra J D

出版信息

J Exp Med. 1979 Apr 1;149(4):981-6. doi: 10.1084/jem.149.4.981.

Abstract

The E/C alpha- and beta-subunits of intra-I-region recombinants were analyzed for primary structural variation by comparative tryptic peptide mapping. The E/C alpha-polypeptides from B10.A, B10.A (3R) and B10.A (5R) showed complete coincident elution of peptides; the E/C beta-chains from B10.A and 3R (or 5R) were approximately 40% different. This suggests that the structural gene for the E/C beta-polypeptide is within the I-A subregion.

摘要

通过比较胰蛋白酶肽图谱分析I区内重组体的E/Cα和β亚基的一级结构变异。来自B10.A、B10.A(3R)和B10.A(5R)的E/Cα多肽显示出肽的完全一致洗脱;来自B10.A和3R(或5R)的E/Cβ链大约有40%的差异。这表明E/Cβ多肽的结构基因位于I-A亚区内。

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