Chains and heterogens:
PDB Chain Sequences:
>1fbyA (A:) ssanedmpverileaelavepktetyveanmglnpsspndpvtnicqaadkqlftlvewa kriphfselplddqvillragwnelliasfshrsiavkdgillatglhvhrnsahsagvg aifdrvltelvskmrdmqmdktelgclraivlfnpdskglsnpaevealrekvyasleay ckhkypeqpgrfaklllrlpalrsiglkclehlfffkligdtpidtflmemleaphqmt
>1fbyA (A:) ssanedmpverileaelavepdpvtnicqaadkqlftlvewakriphfselplddqvill ragwnelliasfshrsiavkdgillatglhvhrnsahsagvgaifdrvltelvskmrdmq mdktelgclraivlfnpdskglsnpaevealrekvyasleayckhkypeqpgrfaklllr lpalrsiglkclehlfffkligdtpidtflmemleap
>1fbyB (B:) ssanedmpverileaelavepktetyveanmglnpsspndpvtnicqaadkqlftlvewa kriphfselplddqvillragwnelliasfshrsiavkdgillatglhvhrnsahsagvg aifdrvltelvskmrdmqmdktelgclraivlfnpdskglsnpaevealrekvyasleay ckhkypeqpgrfaklllrlpalrsiglkclehlfffkligdtpidtflmemleaphqmt
>1fbyB (B:) dmpverileaelavepdpvtnicqaadkqlftlvewakriphfselplddqvillragwn elliasfshrsiavkdgillatglhvhrnsahsagvgaifdrvltelvskmrdmqmdkte lgclraivlfnpdskglsnpaevealrekvyasleayckhkypeqpgrfaklllrlpalr siglkclehlfffkligdtpidtflmemleap