Opening of tandem calponin homology domains regulates their affinity for F-actin.
Galkin, V.E., Orlova, A., Salmazo, A., Djinovic-Carugo, K., Egelman, E.H.(2010) Nat.Struct.Mol.Biol. 17: 614-616
- PubMed: 20383143 
- DOI: 10.1038/nsmb.1789
- PubMed Abstract: 
Many actin-binding proteins contain calponin homology (CH) domains, but the manner in which these domains interact with F-actin has been controversial. Crystal structures have shown the tandem CH domains of alpha-actinin to be in a compact, closed co ...