>1cu0A (A:) observed residues (from ATOM records)
mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrntngvitk
deaeklfnqdvdaavrgmlrnaklkpvydsldavrraalinmvfqmgetgvagftnslrm
lqqkrwdeaavnlaksrwynqtpnrakrvittfrtgtwdayk