>123lA (A:) observed residues (from ATOM records)
mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrntngvitk
deaeklfnqdvdaavrgilrnsklkpvydsldavrraalinmvfqmgetgvagftnslrm
lqqkrwdeaavnlaksrwynqtpnrakrvittfrtgtwdayk