Chains and heterogens:
PDB Chain Sequences:
>1naaA (A:) tpydyiivgagpggiiaadrlseagkkvlllerggpstkqtggtyvapwatssgltkfdi pglfeslftdsnpfwwckditvfagclvgggtsvngalywypndgdfsssvgwpsswtnh apytsklssrlpstdhpstdgqryleqsfnvvsqllkgqgynqatindnpnykdhvfgys afdflngkragpvatylqtalarpnftfktnvmvsnvvrngsqilgvqtndptlgpngfi pvtpkgrvilsagafgtsrilfqsgigptdmiqtvqsnptaaaalppqnqwinlpvgmna qdnpsinlvfthpsidayenwadvwsnprpadaaqylanqsgvfagaspklnfwraysgs dgftryaqgtvrpgaasvnsslpynasqiftitvylstgiqsrgrigidaalrgtvltpp wlvnpvdktvllqalhdvvsnigsipgltmitpdvtqtleeyvdaydpatmnsnhwvsst tigsspqsavvdsnvkvfgtnnlfivdagiiphlptgnpqgtlmsaaeqaaakilalagg p
>1naaB (B:) tpydyiivgagpggiiaadrlseagkkvlllerggpstkqtggtyvapwatssgltkfdi pglfeslftdsnpfwwckditvfagclvgggtsvngalywypndgdfsssvgwpsswtnh apytsklssrlpstdhpstdgqryleqsfnvvsqllkgqgynqatindnpnykdhvfgys afdflngkragpvatylqtalarpnftfktnvmvsnvvrngsqilgvqtndptlgpngfi pvtpkgrvilsagafgtsrilfqsgigptdmiqtvqsnptaaaalppqnqwinlpvgmna qdnpsinlvfthpsidayenwadvwsnprpadaaqylanqsgvfagaspklnfwraysgs dgftryaqgtvrpgaasvnsslpynasqiftitvylstgiqsrgrigidaalrgtvltpp wlvnpvdktvllqalhdvvsnigsipgltmitpdvtqtleeyvdaydpatmnsnhwvsst tigsspqsavvdsnvkvfgtnnlfivdagiiphlptgnpqgtlmsaaeqaaakilalagg p