Chains and heterogens:
PDB Chain Sequences:
>1yw7A (A:) kvqtdppsvpicdlypngvfpkgqeceypptqdgrtaawrttseekkaldqaseeiwndf reaaeahrqvrkyvmswikpgmtmieicekledcsrklikenglnaglafptgcslnnca ahytpnagdttvlqyddickidfgthisgriidcaftvtfnpkydtllkavkdatntgik cagidvrlcdvgeaiqevmesyeveidgktyqvkpirnlnghsigqyrihagktvpiikg geatrmeegevyaietfgstgkgvvhddmecshymknfdvghvpirlprtkhllnvinen fgtlafcrrwldrlgeskylmalknlcdlgivdpypplcdikgsytaqfehtillrptck evvsrgddy