Chains and heterogens:
PDB Chain Sequences:
>1nipA (A:) amrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntimem aaeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddld fvfydvlgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlg glicnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadey ralarkvvdnkllvipnpitmdeleellmefgimevedesivg
>1nipB (B:) amrqcaiygkggigkstttqnlvaalaemgkkvmivgcdpkadstrlilhskaqntimem aaeagtvedleledvlkagyggvkcvesggpepgvgcagrgvitainfleeegayeddld fvfydvlgdvvcggfampirenkaqeiyivcsgemmamyaanniskgivkyansgsvrlg glicnsrntdredeliialanklgtqmihfvprdnvvqraeirrmtvieydpkakqadey ralarkvvdnkllvipnpitmdeleellmefgimevedesivgktae