Functional analysis of phosphorylation sites in human lamin A controlling lamin disassembly, nuclear transport and assembly.

Abstract excerpt

We have constructed point mutations in human lamin A cDNA at conserved serine and threonine residues, some of which were shown to be phosphorylated in vitro by cdc2-kinase and protein kinase C and in vivo. Using a functional in vivo assay system, we identified three categories of mutant phenotypes. (i) Dominant negative phenotypes in mitosis result from mutation of Thr-19 and Ser-22 within the amino-terminal...

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