Puzzle 624 Quest to the Native Alignment with Disulfides same protein Puzzle 548 2LG6 NMR structure of chicken AvBD2-K31A mutant - Initial insights into structure-activity relationships of avian defensins. Derache, C., Meudal, H., Aucagne, V., Mark, K.J., Cadene, M., Delmas, A.F., Lalmanach, A.C., Landon, C.