Chains and heterogens:
PDB Chain Sequences:
>1un7A (A:) nagamaesllikdiaivtenevikngyvgindgkistvsterpkepyskeiqapadsvll pgmidihihggygadtmdasfstldimssrlpeegttsflattitqehgnisqalvnare wkaaeessllgaellgihlegpfvspkragaqpkewirpsdvelfkkwqqeagglikivt lapeedqhfelirhlkdesiiasmghtdadsallsdaakagashmthlynamspfhhrep gvigtalahdgfvteliadgihshplaaklaflakgssklilitdsmrakglkdgvyefg gqsvtvrgrtallsdgtlagsilkmnegarhmreftncswtdianitsenaakqlgifdr kgsvtvgkdadlvivssdcevilticrgniafiskeadqi
>1un7A (A:) esllikdiaivtenevikngyvgindgkistvsterpkepyskeiqapadsvllpgmidi hihggygadtmdasfstldimssrlpeegttsflattitqehgnisqalvnarewkaaee ssllgaellgihlegpfvspkragaqpkewirpsdvelfkkwqqeagglikivtlapeed qhfelirhlkdesiiasmghtdadsallsdaakagashmthlynamspfhhrepgvigta lahdgfvteliadgihshplaaklaflakgssklilitdsmrakglkdgvyefggqsvtv rgrtallsdgtlagsilkmnegarhmreftncswtdianitsenaakqlgifdrkgsvtv gkdadlvivssdcevilticrgniafiskead
>1un7B (B:) nagamaesllikdiaivtenevikngyvgindgkistvsterpkepyskeiqapadsvll pgmidihihggygadtmdasfstldimssrlpeegttsflattitqehgnisqalvnare wkaaeessllgaellgihlegpfvspkragaqpkewirpsdvelfkkwqqeagglikivt lapeedqhfelirhlkdesiiasmghtdadsallsdaakagashmthlynamspfhhrep gvigtalahdgfvteliadgihshplaaklaflakgssklilitdsmrakglkdgvyefg gqsvtvrgrtallsdgtlagsilkmnegarhmreftncswtdianitsenaakqlgifdr kgsvtvgkdadlvivssdcevilticrgniafiskeadqi
>1un7B (B:) esllikdiaivtenevikngyvgindgkistvsterpkepyskeiqapadsvllpgmidi hihggygadtmdasfstldimssrlpeegttsflattitqehgnisqalvnarewkaaee ssllgaellgihlegpfvspkragaqpkewirpsdvelfkkwqqeagglikivtlapeed qhfelirhlkdesiiasmghtdadsallsdaakagashmthlynamspfhhrepgvigta lahdgfvteliadgihshplaaklaflakgssklilitdsmrakglkdgvyefggqsvtv rgrtallsdgtlagsilkmnegarhmreftncswtdianitsenaakqlgifdrkgsvtv gkdadlvivssdcevilticrgniafiskead