Article
Specific stimulation of human apurinic/apyrimidinic endonuclease by heat shock protein 70.
DNA repair - 1 Mar 2003
Mendez Frances, Sandigursky Margarita, Kureekattil Raichal P, Kenny Mark K, Franklin William A, Bases Robert
Abstract excerpt
We previously demonstrated the stimulation of human apurinic/apyrimidinic endonuclease 1 (HAP1) by heat shock protein 70 (HSP70). In this work, we further defined the functional interaction between these proteins. Digestion of HSP70 by trypsin released 48 and 43 kDa amino terminal fragments that retained the ability to stimulate HAP1. In agreement with this result, an HSP70 N-terminal deletion mutant protein...
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