>1nl7B (B:) observed residues (from ATOM records)
psiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpage
gqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesmsma
phcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafavas
qnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegtvt
agnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkaler
agwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilntll
femkrrgarkglatlcigggmgvamciesl