1H NMR studies of mastoparan binding by calmodulin.
作者信息
Muchmore D C, Malencik D A, Anderson S R
出版信息
Biochem Biophys Res Commun. 1986 Jun 30;137(3):1069-78. doi: 10.1016/0006-291x(86)90334-7.
PMID:3729951
Abstract
Association with the cytoactive tetradecapeptide mastoparan perturbs the downfield 1H NMR spectrum of the calmodulin-Ca42+ complex. Changes occur in the resonances assigned to His-107 and Tyr-138. Composite peaks assigned to Phe-16 and Phe-89 and to Phe-68 and Tyr-99 are also affected. Both the upfield and downfield 1H NMR spectra contain evidence for spectroscopically distinct intermediates in Ca2+ binding by the calmodulin-mastoparan complex.
摘要
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