Purification, crystallization and preliminary X-ray crystallographic analysis of the human heat-shock protein 40 Hdj1 and its C-terminal peptide-binding domain

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概要

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• Hsp40 is a co-chaperone of Hsp70 that correctly folds polypeptides that exist in non-native forms. The C-terminal peptide-binding domain (CTD) of the human Hsp40 Hdj1 has been purified and crystallized. In the presence of the C-terminal octapeptide of human Hsp70, four types of crystals, types I-B, II, III and IV, were grown and diffracted to 1.85, 2.51, 2.10 and 2.80 A ˚ resolution, respectively. In the absence of the octapeptide, type I-A crystals of the CTD were grown that diffracted to 2.05 A ˚ resolution. The full-length Hdj1 was also purified and crystallized (type V crystals); the crystal diffracted to 3.90 A ˚ resolution.

著者

• Noguchi Shuji

  Graduate School Of Pharmaceutical Sciences University Of Tokyo

• 野口 修治

  東京大学大学院薬学系研究科

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