By electron microscopy, amyloid is composed of a "beta-pleatedsheet" of fibrils, seen here as irregular grey material.
电镜，淀粉样物质是由原纤维的β-折叠组成。 可见不规则的灰色物质。
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Enzymatic digestion of Bence Jones proteins in vitro has shown that typical amyloid fibrils with a beta-pleatedsheet configuration can be formed from some, but not all, Bence Jones proteins.