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Nuclear lamins form a network of intermediate-type 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 Adel 10, while the B-type lamins include two proteins arising from two distinct genes, i.e. lamin B1 and lamin B2. Recent evidence has revealed that mutations in A-type lamins give rise to a range of rare but dominant genetic disorders, including Emery-Dreifuss muscular dystrophy, dilated cardiomyopathy with conduction-system disease and Dunnigan-type familial partial lipodystrophy. In addition, the expression of A-type lamins coincides with cell differentiation and as A-type lamins specifically interact with chromatin, a role in the regulation of differential gene expression has been suggested for A-type lamins.
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Protein Aliases: lamin B2; lamin B3; Lamin-B2; MGC2721
Gene Aliases: EPM9; fc15d06; im:7142331; LAMB2; lamin; LMN2; LMNB2; RGD1563803; wu:fb94e05; wu:fb95e12; wu:fc15d06; wu:fc49h03
UniProt ID: (Human) Q03252, (Mouse) P21619
Entrez Gene ID: (Human) 84823, (Mouse) 16907, (Rat) 299625, (Zebrafish) 30196
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