NMR solution structure of a leaf-specific-expressed cyclotide vhl-1
Isolation and characterization of novel cyclotides from Viola hederaceae: solution structure and anti-HIV activity of vhl-1, a leaf-specific expressed cyclotide.
structures with the least restraint violations
Guntert, P., Mumenthaler, C and Wuthrich, K.
circular protein, cyclic cystine knot motif, ANTIVIRAL PROTEIN