>3g4vA (A:) observed residues (from ATOM records) svydaaaqltadvkkdlrdswkvigsdkkgngvalmttlfadnqetigyfkrlgdvsqgm andklrghsitlmyalqnfidqldnpddlvcvvekfavnhitrkisaaefgkingpikkv lasknfgdkyanawaklvavvqaal