title: Magic Acts with the Cohesin Ring.
abstract: Recent studies, including two in this issue of Molecular Cell (Elbatsh et al., 2016; Beckouët et al., 2016), cast light on how cohesin regulators harness the energy of ATP hydrolysis to open the cohesin ring and enable dynamic, regulated entrapment of chromosomes.
authors.affiliation: Department of Pharmacology, Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, 6001 Forest Park Road, Dallas, TX 75390, USA. Electronic address: hongtao.yu@utsouthwestern.edu.
authors.forename: Hongtao
authors.initials: H
authors.lastname: Yu