>2iszD (D:) observed residues (from ATOM records)
mnelvdttemylrtiydleeegvtplrariaerldqsgptvsqtvsrmerdgllrvagdr
hleltekgralaiavmrkhrlaerllvdviglpweevhaeacrwehvmsedverrlvkvl
nnpttspfgnpipglvelgv