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