>1zs3D (D:) observed residues (from ATOM records) tklmidekyakeldkaeidhhkptagamlghvlsnlfienirltqagiyakspvkceylr eiaqreveyffkisdllldeneivpstteeflkyhkfitedpkakywtdedllesfivdf qaqnmfitraiklankeekfalaagvvelygynlqvirnlagdlgksvadf