>1gs9A (A:) observed residues (from ATOM records)
sgqrwelalgrfwdylrwvqtlseqvqeellssqvtqelralmdetmkelkaykseleeq
ltpvaeetrarlskelqaaqarlgadmedvrgrlvqyrgevqamlgqsteelrvrlashl
rklrkrllrdaddlqkrlavyqag