中性子小角散乱で見るタンパク質の異常凝集

書誌事項

タイトル別名
  • SANS Observation of Abnormal Aggregation of Protein
  • サイエンス キジ チュウセイシ ショウカク サンラン デ ミル タンパクシツ ノ イジョウ ギョウシュウ

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説明

Abnormal aggregation of lens protein, α-crystallin, has been observed with in situ small-angle neutron scattering under external stresses. Alpha-crystallin is a complex consisting of 40 subunits: there are two kinds of subunits, αA-crystallin and αB-crystallin. Single aggregate of αA-crystallin made structural deformation by temperature jump to the low temperature but did not by UV irradiation. On the other hand, that of αB-crystallin exhibited opposite response. These results suggested that α-crystallin could obtain tolerant against both external stresses by consisting of αA-crystallin and αB-crystallin. This assumption is also supported by another experimental result that the recombinant complex with αA-crystallin and αB-crystallin did not make the structural deformation by UV irradiation

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  • 波紋

    波紋 18 (4), 191-196, 2008

    日本中性子科学会

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