Article
Several acidic amino acids in the N-domain of insulin-like growth factor-binding protein-5 are important for its transactivation activity.
The Journal of biological chemistry - 19 May 2006
Zhao Yang, Yin Ping, Bach Leon A, Duan Cunming
Abstract excerpt
Insulin-like growth factor-binding protein (IGFBP)-5 is a secreted protein that binds to IGFs and modulates IGF actions. IGFBP-5 is also found in the nuclei of cultured cells and has transactivation activity. Here we report the nuclear localization of endogenous IGFBP-5 in mouse embryonic skeletal cells. Chromatin immunoprecipitation experiments indicated that IGFBP-5 interacts with the nuclear histone-DNA...
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