>1c61A (A:) observed residues (from ATOM records)
mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrntngvitk
deaeklfnqdvdaavrgilrnaklkpvydsldavrraalinmvfqmgetgvagftnslrm
lqqkrwdeaavnlaksrwynqtpnrakrvittartgtwdayk