Chains and heterogens:
PDB Chain Sequences:
>1k87A (A:) mgtttmgvklddatreriksaatridrtphwlikqaifsyleqlensdtlpelpallsga anesdeaptpaeephqpfldfaeqilpqsvsraaitaayrrpeteavsmlleqarlpqpv aeqahklayqladklrnqknasgragmvqgllqefslssqegvalmclaeallripdkat rdalirdkisngnwqshigrspslfvnaatwgllftgklvsthneaslsrslnriigksg eplirkgvdmamrlmgeqfvtgetiaealanarkleekgfrysydmlgeaaltaadaqay mvsyqqaihaigkasngrgiyegpgisiklsalhprysraqydrvmeelyprlksltlla rqydiginidaeeadrleisldlleklcfepelagwngigfviqayqkrcplvidylidl atrsrrrlmirlvkgaywdseikraqmdglegypvytrkvytdvsylacakkllavpnli ypqfathnahtlaaiyqlagqnyypgqyefqclhgmgeplyeqvtgkvadgklnrpcriy apvgthetllaylvrrllengantsfvnriadtslpldelvadpvtaveklaqqegqtgl phpkiplprdlyghgrdnsagldlanehrlaslssallnsalqkwqalpmleqpvaagem spvinpaep
>1k87A (A:) pqsvsraaitaayrrpeteavsmlleqarlpqpvaeqahklayqladklrnqknasgrag mvqgllqefslssqegvalmclaeallripdkatrdalirdkisngnrspslfvnaatwg llftgneaslsrslnriigksgeplirkgvdmamrlmgeqfvtgetiaealanarkleek gfrysydmlgeaaltaadaqaymvsyqqaihaigkasngrgiyegpgisiklsalhprys raqydrvmeelyprlksltllarqydiginidaeeadrleisldlleklcfepelagwng igfviqayqkrcplvidylidlatrsrrrlmirlvkgaywdseikraqmdglegypvytr kvytdvsylacakkllavpnliypqfathnahtlaaiyqlagqnyypgqyefqclhgmge plyeqvtgkvadgklnrpcriyapvgthetllaylvrrllengantsfvnriadtslpld elvadpvtaveklaqqegqtglphpkiplprdly