>3zdtB (B:) observed residues (from ATOM records)
rvlkvfhyfenssepttwasiirhgdatdvrgiiqkivdchkvknvacyglrlshlqsee
vhwlhldmgvsnvrekfelahppeewkyelrirylpkgflnqftedkptlnffyqqvknd
ymleiadqvdqeialklgcleirrsysnyevlekdvglrrffpkslldsvaaatlaaliq
qtfrqfanlnreesilkffeilspvyrfdkecfkcalgsswiisvelaigpeegisyltd
kganpthladfnqvqtiqysnsedkdrkgmlqlkiagapepltvtapsltiaenmadlid
gycrlvngatqsfiirp