He Y, et al. (2005) Fibrillogenesis of apomyoglobin facilitated by aggregation sequence of yeast Sup35 in various regions. FEBS Lett 579(6):1503-8
Abstract: To examine the effect of aggregation sequence QGGYQQQYNP from yeast Sup35 on fibril formation of sperm whale apomyoglobin (apoMb), we constructed several mutants via substitution. Urea-induced unfolding of apoMb confirms that the substitution of the aggregation sequence does not significantly affect the stability of the mutants compared to wild type (WT) at pH 4.2. Under this condition, however, despite the difference in rate most apoMb mutants form fibrils more readily than WT with distinct morphology. These results suggest that the aggregation sequence facilitates fibril assembly of apoMb at acidic pH in vitro and this facilitation depends on the regions replaced.
|Status: Published||Type: Journal Article||PubMed ID: 15733864|
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