产品标准
浓缩液(1mg/1ml) 亲和纯化抗体
产品应用
WB=1:100-500 Elisa =1:200-1000 IP=1:20-100 IHC=1:100-500 (石蜡切片需做抗原修复)
产品介绍
核纤层蛋白(Lamin) 是紧贴核内膜的一层厚度为20~50nm的纤维蛋白层或纤维网络。核纤层与细胞质骨架、核骨架连成一个整体,一般认为核纤层将核被膜和染色质提供了结构支架。有学者研究认为:lamin蛋白与细胞凋亡及衰老有关联,它包括:核纤层蛋白A、核纤层蛋白B、核纤层蛋白C几个不同亚型的蛋白。
An important part of the nucleus is formed by nuclear lamina. Nuclear lamins form a network of filaments at the nucleoplasmic site of the nuclear membrane. Two main subtypes of nuclear lamins can be distinguished, i.e. A type lamins and B type lamins. The A type lamins comprise a set of three proteins arising from the same gene by alternative splicing, i.e. lamin A, lamin C and lamin Adel10, while the B-type lamins include two proteins arising from two distinct genes, i.e. lamin B1 and lamin B2. The nuclear lamins comprise a unique subclass of the intermediate filament protein family. They share a molecular domain organisation with the other intermediate filament proteins in that they are fibrous molecules that have an aminoterminal globular head, a central rod of alpha helices and a carboxy terminal globular domain. Many biochemical and molecular features of lamins have been studied, but their functions remain still largely undetermined. One of the functions ascribed to the lamina is the maintenance of the structural integrity of the nucleus. Besides interactions with the nuclear membrane and other intermediate filaments, lamins interact with the nuclear chromatin. Eukaryotic chromatin is organised into loops, which are attached to the nuclear matrix. This organisation is thought to contribute to compaction of the chromatin and regulation of gene expression. Lamins, as part of the nuclear matrix, may be involved in these processes since chromatin binding sites have been detected in both A and B type lamins. Lamin B1 and Lamin B antibodies are extremely useful as nuclear loading controls for use with nuclear extracts. When using Lamin B1 antibodies as nuclear loading controls, be aware that in apoptotic cells Lamin B1 is cleaved (Kottke TJ et al.). Lamin B1 will also be removed from a nuclear prep if the nuclear membranes are spun out. This antibody was designed to be a nuclear loading control however it has not yet been tested in appropriate lysates. mol wt:64kDa Other Aliases: lamin B1; LMB1; LMN; LMN2; LMNB 1; LMNB; LMNB1; MGC111419
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