Chains and heterogens:
PDB Chain Sequences:
>1xysA (A:) glasladfpigvavaasggnadiftssarqnivraefnqitaenimkmsymysgsnfsft nsdrlvswaaqngqtvhghalvwhpsyqlpnwasdsnanfrqdfarhidtvaahfagqvk swdvvnealfdsaddpdgrgsangyrqsvfyrqfggpeyideafrraraadptaelyynd fnteengakttalvnlvqrllnngvpidgvgfqmhvmndypsianirqamqkivalsptl kikitcldvrlnnpydgnssndytnrndcavscagldrqkarykeivqaylevvppgrrg gitvwgiadpdswlythqnlpdwpllfndnlqpkpayqgvvealsgr
>1xysA (A:) glasladfpigvavaasggnadiftssarqnivraefnqitaenimkmsymysgsnfsft nsdrlvswaaqngqtvhghalvwhpsyqlpnwasdsnanfrqdfarhidtvaahfagqvk swdvvnealfdsaddpdgrgsangyrqsvfyrqfggpeyideafrraraadptaelyynd fnteengakttalvnlvqrllnngvpidgvgfqmhvmndypsianirqamqkivalsptl kikitcldvrlnnpydgnssndytnrndcavscagldrqkarykeivqaylevvppgrrg gitvwgiadpdswlythqnlpdwpllfndnlqpkpayqgvveals
>1xysB (B:) glasladfpigvavaasggnadiftssarqnivraefnqitaenimkmsymysgsnfsft nsdrlvswaaqngqtvhghalvwhpsyqlpnwasdsnanfrqdfarhidtvaahfagqvk swdvvnealfdsaddpdgrgsangyrqsvfyrqfggpeyideafrraraadptaelyynd fnteengakttalvnlvqrllnngvpidgvgfqmhvmndypsianirqamqkivalsptl kikitcldvrlnnpydgnssndytnrndcavscagldrqkarykeivqaylevvppgrrg gitvwgiadpdswlythqnlpdwpllfndnlqpkpayqgvvealsgr
>1xysB (B:) glasladfpigvavaasggnadiftssarqnivraefnqitaenimkmsymysgsnfsft nsdrlvswaaqngqtvhghalvwhpsyqlpnwasdsnanfrqdfarhidtvaahfagqvk swdvvnealfdsaddpdgrgsangyrqsvfyrqfggpeyideafrraraadptaelyynd fnteengakttalvnlvqrllnngvpidgvgfqmhvmndypsianirqamqkivalsptl kikitcldvrlnnpydgnssndytnrndcavscagldrqkarykeivqaylevvppgrrg gitvwgiadpdswlythqnlpdwpllfndnlqpkpayqgvveals