>1k73K (K:) observed residues (from ATOM records)
aefdadvivdardcimgrvasqvaeqaldgetvavvnaeravitgreeqivekyekrvdi
gndngyfypkrpdgifkrtirgmlphkkqrgreafesvrvylgnpydedgevldgtsldr
lsnikfvtlgeisetlganktw