>1l93A (A:) observed residues (from ATOM records)
mnifemlrideglrlkiykdtegyytigighlltkspslnaakseldkaigrntngvitk
deaeklfnqdvdaavrgilrnaklkpvydsldavrraaminmvfqmgetgvagftnslrm
lqqkrwdeaavnlaksrwynqtpnrakrvittfrtgtwdayk