>137lA (A:) observed residues (from ATOM records)
mnifemlrideglrlkiykdtegyytigighlltkspslnaakfeldkaigrntngvitk
deaeklfnqdvdaavrgilrnaklkpvydsldavrraalinmvfqmgetgvagftnslrm
lqqkrwdeaavnlaksrwynqtpnrakrvittfrtgtwdayk