>3dr7B (B:) observed residues (from ATOM records)
prisvaaprldgnerdyvlecmdttwissvgrfivefekafadycgvkhaiacnngttal
hlalvamgigpgdevivpsltyiasansvtycgatpvlvdndprtfnldaaklealitpr
tkaimpvhlygqicdmdpilevarrhnllviedaaeavgatyrgkksgslgdcatfsffg
nkiittgeggmittndddlaakmrllrgqgmdpnrrywfpivgfnyrmtniqaaiglaql
ervdehlaarervvgwyeqklarlgnrvtkphvaltgrhvfwmytvrlgeglsttrdqvi
kdldalgiesrpvfhpmhimppyahlatddlkiaeacgvdglnlpthaglteadidrvia
aldqvlv