Read all about it here https://www-cell-com.stanford.idm.oclc.org/molecular-cell/fulltext/S1097-2765(19)30224-2
It is a great paper and a great collaboration with the Sage and Rubin labs (thanks to everyone involved for being excellent). But, don’t let the number authors fool you… Ben did a heroic amount and performed a range of complex and different experiments to address this historic problem of how cyclin D finds its main target, the retinoblastoma protein, to inactivate it via phosphorylation (we think).