Before revision:  However, the physical model explaining the critical role of multivalency for the histone code is still largely unknown . Here, we propose a theory that explains the energetic "payout" of multivalency in the formalism of statistical mechanics.
After revision:  However, the physical model explaining the critical role of multivalency for the histone code is still lacking . Here, we propose a theory that explains the energetic "payout" of multivalency in the formalism of statistical mechanics.