>4cmyS (S:) observed residues (from ATOM records)
mlsktildklnhqvnfeaasahlylqmsawlltqsldstaaffrahaeeekahmmklfdy
inetgslaligevatpapewkshielleaaynhelaitqsindlvdtalrekdystfqfl
qwyvaeqheeeylfssmlhkariintmdgralfrfdeevrks