>1or3A (A:) observed residues (from ATOM records)
sgqrwelalgrfwdylrwvqtlseqvqeellssqvtqelralmdetmkelkaykseleeq
ltarlskelqaaqarlgadmedvcgrlvqyrgevqamlgqsteelrvrlashlrklrkrl
lrdaddlqkrlavyqa