Chains and heterogens:
PDB Chain Sequences:
>3n7jA (A:) nsindskilslqnkknalvdtsgynaevrvgdnvqlntiytndfklsssgdkiivnlnnn ilysaiyenssvsfwikiskdltnshneytiinsieqnsgwklcirngniewilqdvnrk ykslifdyseslshtgytnkwffvtitnnimgymklyingelkqsqkiedldevkldkti vfgidenidenqmlwirdfnifskelsnedinivyegqilrnvikdywgnplkfdteyyi indnyidryiapesnvlvlvqypdrsklytgnpitiksvsdknpysrilngdniilhmly nsrkymiirdtdtiyatqggecsqncvyalklqsnlgnygigifsiknivsknkycsqif ssfrentmlladiykpwrfsfknaytpvavtnyetkllstssfwkfisrdpgwve
>3n7jA (A:) nsindskilslqnkknalvdtsgynaevrvgdnvqlntiytndfklsssgdkiivnlnnn iliyenssvsfwikiskdltnshneytiinsieqnsgwklcirngniewilqdvnrkyks lifdyseslshtgytnkwffvtitnnimgymklyingelkqsqkiedldevkldktivfg idenidenqmlwirdfnifskelsnedinivyegqilrnvikdywgnplkfdteyyiind nyidryiapesnvlvlvqypdrsklytgnpitiksvsdknpysrilngdniilhmlynsr kymiirdtdtiyaqncvyalklqsnlgnygigifsiknivsknkycsqifssfrentmll adiykpwrfsfknaytpvavtnyetkllstssfwkfisrdpgwve