Chains and heterogens:
PDB Chain Sequences:
>3n9iA (A:) msepmvlskptvsskpivfsgaqpsgeltignymgalrqwvqmqddydciycivdlhait arqdpallrkrtldtlalylacgidpkkstifvqshvpehsqlswalncytyfgelsrmt qfkdksaryaeninaglfdypvlmaadillyqtnqvpvgedqkqhlelsrdiasrfnnly gdifkipepfipkagarvmslqdptkkmsksddnrnnvielledpksvvkkikramtdsd epalirydvekkagvsnlldilsgvtgqsipeleaqftgqmyghlkgavadavsgmlsel qeryrtyredeallqdvmregaakararaqvtlakvyeaigfvaqp
>3n9iA (A:) kpivfsgaqpsgeltignymgalrqwvqmqddydciycivdlhaitarqdpallrkrtld tlalylacgidpkkstifvqshvpehsqlswalncytyfgelsrmtqfkdksaryaenin aglfdypvlmaadillyqtnqvpvgedqkqhlelsrdiasrfnnlygdifkipepfipka garvmslqdptkkmsksddnrnnvielledpksvvkkikramtdsdepalirydvekkag vsnlldilsgvtgqsipeleaqftgqmyghlkgavadavsgmlselqeryrtyredeall qdvmregaakararaqvtlakvyeaigfvaqp
>3n9iB (B:) msepmvlskptvsskpivfsgaqpsgeltignymgalrqwvqmqddydciycivdlhait arqdpallrkrtldtlalylacgidpkkstifvqshvpehsqlswalncytyfgelsrmt qfkdksaryaeninaglfdypvlmaadillyqtnqvpvgedqkqhlelsrdiasrfnnly gdifkipepfipkagarvmslqdptkkmsksddnrnnvielledpksvvkkikramtdsd epalirydvekkagvsnlldilsgvtgqsipeleaqftgqmyghlkgavadavsgmlsel qeryrtyredeallqdvmregaakararaqvtlakvyeaigfvaqp
>3n9iB (B:) kpivfsgaqpsgeltignymgalrqwvqmqddydciycivdlhaitarqdpallrkrtld tlalylacgidpkkstifvqshvpehsqlswalncytyfgelsrmtqfkdksaryaenin aglfdypvlmaadillyqtnqvpvgedqkqhlelsrdiasrfnnlygdifkipepfipka garvmslqdptkkmsksddnrnnvielledpksvvkkikramtdsdepalirydvekkag vsnlldilsgvtgqsipeleaqftgqmyghlkgavadavsgmlselqeryrtyredeall qdvmregaakararaqvtlakvyeaigfvaqp