Chains and heterogens:
PDB Chain Sequences:
>1nl7A (A:) stpsiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpa gegqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesms maphcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafav asqnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegt vtagnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkal eragwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilnt llfemkrrgarkglatlcigggmgvamciesl
>1nl7A (A:) psiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpage gqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesmsma phcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafavas qnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegtvt agnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkaler agwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilntll femkrrgarkglatlcigggmgvamciesl
>1nl7B (B:) stpsiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpa gegqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesms maphcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafav asqnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegt vtagnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkal eragwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilnt llfemkrrgarkglatlcigggmgvamciesl
>1nl7B (B:) psiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpage gqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesmsma phcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafavas qnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegtvt agnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkaler agwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilntll femkrrgarkglatlcigggmgvamciesl
>1nl7C (C:) stpsiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpa gegqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesms maphcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafav asqnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegt vtagnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkal eragwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilnt llfemkrrgarkglatlcigggmgvamciesl
>1nl7C (C:) psiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpage gqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesmsma phcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafavas qnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegtvt agnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkaler agwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilntll femkrrgarkglatlcigggmgvamciesl
>1nl7D (D:) stpsiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpa gegqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesms maphcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafav asqnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegt vtagnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkal eragwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilnt llfemkrrgarkglatlcigggmgvamciesl
>1nl7D (D:) psiviasaartavgsfngafantpahelgatvisavleragvaagevnevilgqvlpage gqnparqaamkagvpqeatawgmnqlcgsglravalgmqqiatgdasiivaggmesmsma phcahlrggvkmgdfkmidtmikdgltdafygyhmgttaenvakqwqlsrdeqdafavas qnkaeaaqkdgrfkdeivpfivkgrkgditvdadeyirhgatldsmaklrpafdkegtvt agnasglndgaaaallmseaeasrrgiqplgrivswatvgvdpkvmgtgpipasrkaler agwkigdldlveaneafaaqacavnkdlgwdpsivnvnggaiaighpigasgarilntll femkrrgarkglatlcigggmgvamciesl