To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Stretching of the NBD in the apo-form. Nucleotides regulate the mechanical hierarchy between subdomains of the nucleotide binding domain of the Hsp70 chaperone DnaK Daniela Bauer, Dale R. Merz, Benjamin Pelz, Kelly E. Theisen, Gail Yacyshyn, Dejana Mokranjac, Ruxandra I. Dima, Matthias Rief, and Gabriel Žoldák PNAS. 2015. DOI: 10.1073/pnas.1504625112 Download Original Video Browse All Videos »