>3ciuA (A:) observed residues (from ATOM records)
lsaadkgnvkaawgkvgghaaeygaealermflsfpttktyfphfdlshgsaqvkghgak
vaaaltkavehlddlpgalselsdlhahklrvdpvnfkllshsllvtlashlpsdftpav
hasldkflanvstvltskyr