>3sdlD (D:) observed residues (from ATOM records)
dltvkmlagnefqvslsssmsvselkaqitqkigvhafqqrlavhpsgvalqdrvplasq
glgpgstvllvvdkcdeplsilvrnnkgrsstyevrltqtvahlkqqvsglegvqddlfw
ltfegkpledqlplgeyglkplstvfmnlrl