A short isoform of NSD3 lacking catalytic function is essential in leukemia
NSD3-short is an adaptor protein that links BRD4 to the CHD8 chromatin remodeler
NSD3-short also uses a PWWP module and an acidic activation domain in leukemia
BRD4-NSD3-CHD8 complexes are evicted from chromatin by BET inhibitors