>1yz1A (A:) observed residues (from ATOM records)
efmiiyrdlishdemfsdiykireiadglclevegkmvsritgvdivmnhhlqetsftke
aykkyikdymksikgkleeqrpervkpfmtgaaeqikhilanfknyqffigenmnpdgmv
alldyredgvtpymiffkdglemekc