>2aupB (B:) observed residues (from ATOM records) svydaaaqltadvkkdlrdswkvigsdkkgngvalmttlfadnqetigyfkrlgdvsqgm andklrghsitlmyalqnfidqldnpddlvcvvekyavnhitrkisaaefgkingpikkv lasknfgdkyanawaklvavvqaal