>139lA (A:) observed residues (from ATOM records) mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrntngvitk deaeklfcqdvdaavrgilrnaklkpvydsldcvrraalinmvfqmgetgvagftnslrm lqqkrwdeaavnlaksrwynqtpnrakrvittfrtgtwdayk