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组蛋白

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产品名称: 组蛋白
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组蛋白


组蛋白  的详细介绍

组蛋白
中文名称: 组蛋白
英文名称: Histone
产品规格: BR
包装: 250毫克/1克
CAS号:9064-47-5
分子量:约10000~20000
组蛋白级别:BR
产品描述:Lyophilized a dialyzed,lyophilized powder.Unfractionated mixture of histones
性状:干粉,未经分割的组蛋白混合物,指所有真核生物的核中,与DNA结合存在的碱性蛋白质的总称。通常含有H1,H2A,H2B,H3,H4等5种成分。除H1外,其他4种组蛋白均分别以二聚体(共八聚体)相结合,形成核小体核心。DNA便缠绕在核小体的核心上。而H1则与核小体间的DNA结合。
用途:生化研究。一般认为组蛋白作为结构支持体的作用比其基因调节作用更为重要。组蛋白可受到甲基化、乙酰化、磷酸化、聚ADP核糖酰化,以及与泛醌(ubiquinone)相结合等几种类型的修饰。
组蛋白保存:2~8°C

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