>1cu3A (A:) observed residues (from ATOM records) mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrntngvitk deaeklfnqdvdaavrgilrnaklkpmydsldavrraalinmvfqmgetgvagftnslrm lqqkrwdeaavnlaksrwynqtpnrakrvittfrtgtwdayk