>1cx7A (A:) observed residues (from ATOM records)
mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrntngvitk
deaeklfnqdvdaavrgilrnakmkpvydsmdavrraaminmvfqmgetgvagftnsmrm
mqqkrwdeaavnmaksrwynqtpnrakrvittmrtgtwdayk