>3orsB (B:) observed residues (from ATOM records) amkvavimgsssdwkimqescnmldyfeipyekqvvsahrtpkmmvqfasearerginii iagaggaahlpgmvaslttlpvigvpietkslkgidsllsivqmpggipvattaigaaga knagilaarmlsiqnpslveklnqyessliqkvedmqnelq