Mutations in the lamin A/C gene are found in Emery-Dreifuss muscular dystrophy, limb girdle muscular dystrophy with cardiac conduction disturbances, dilated cardiomyopathy with conduction system disease, and familial partial lipodystrophy. Cases with lamin A/C mutations presenting with lipodystrophy in combination with cardiac and/or skeletal muscle abnormalities are described.

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The small size, unique architecture and very acidic nature of the enediyne chromoproteins are highly unusual. These natural products exhibit the dual functionalities of specific DNA cleavage and selective proteolytic activity. This observation adds to the fascinating properties of these molecules and suggests that it is possible not only to design small moieties to cleave DNA but also to conceive of small proteins to deliver these moieties intact to defined areas of chromatin.

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