>1l75A (A:) observed residues (from ATOM records)
mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrncngvitk
deaeklfnqdvdaavrgilrnaklkpvydsldavrrcalinmvfqmgetgvagftnslrm
lqqkrwaaaaaaaaksrwynqtpnrakrvittfrtgtwdayk