>1t60O (O:) observed residues (from ATOM records)
igyllvkhsqtdqepmcpvgmnklwsgysllyfegqekahnqdlglagsclarfstmpfl
ycnpgdvcyyasrndksywlsttaplpmmpvaeedirpyisrcsvceapavaiavhsqdv
siphcpagwrslwigysflmhtaagdegggqslvspgscledfratpfiecngargtchy
yankysfwlttipeqsfqgtpsadtlkaglirthisrcqvcmkn