>3g4yB (B:) observed residues (from ATOM records) svydaaaqltadvkkdlrdswkvigsdkkgngvalmttlfadnqetigyfkrlgdvsqgm andklrghsitlmyalqnfidqldnpddlvcvvekfavnhitrkisaaefgkingpikkv lasknfgdkyanawaklvavvqaal