Chains and heterogens:
PDB Chain Sequences:
>1b59A (A:) kvqtdppsvpicdlypngvfpkgqeceypptqdgrtaawrttseekkaldqaseeiwndf reaaeahrqvrkyvmswikpgmtmieicekledcsrklikenglnaglafptgcslnnca ahytpnagdttvlqyddickidfgthisgriidcaftvtfnpkydtllkavkdatntgik cagidvrlcdvgeaiqevmesyeveidgktyqvkpirnlnghsigqyrihagktvpivkg geatrmeegevyaietfgstgkgvvhddmecshymknfdvghvpirlprtkhllnvinen fgtlafcrrwldrlgeskylmalknlcdlgivdpypplcdikgsytaqfehtillrptck evvsrgddy
>1b59A (A:) kvqtdppsvpicdlypngvfpkgqeceypeekkaldqaseeiwndfreaaeahrqvrkyv mswikpgmtmieicekledcsrklikenglnaglafptgcslnncaahytpnagdttvlq yddickidfgthisgriidcaftvtfnpkydtllkavkdatntgikcagidvrlcdvgea iqevmesyeveidgktyqvkpirnlnghsigqyrihagktvpivkggeatrmeegevyai etfgstgkgvvhddmecshymknfdvghvpirlprtkhllnvinenfgtlafcrrwldrl geskylmalknlcdlgivdpypplcdikgsytaqfehtillrptckevvsrgddy