Scientists determine how trump card protein blocks DNA replication
New research at Rice University is allowing biochemists to understand a key hierarchy of protein interactions that occurs in DNA replication, showing for the first time how a key protein "trumps" its rivals and shuts down cell division while DNA repairs take place.
The work, sponsored by the American Cancer Society, appears in the Dec. 8 issue of the journal Structure. It could aid drug makers in designing targeted therapies that block cancer cells from multiplying.
"All cancers are marked by some form of DNA replication gone awry, so a basic understanding of DNA replication is of paramount importance to those designing cancer-fighting drugs," said lead author Yousif Shamoo, assistant professor of biochemistry and cell biology. "In addition, almost every form of life – including bacteria – use a variant of the protein that we studied, and we believe the work may also aid drug makers who are developing new forms of antibiotics."
Jade Boyd | EurekAlert!
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