Chains and heterogens:
PDB Chain Sequences:
>1hk3A (A:) dahksevahrfkdlgeenfkalvliafaqylqqcpfedhvklvnevtefaktcvadesae ncdkslhtlfgdklctvatlretygemadccakqepernecflqhkddnpnlprlvrpev dvmctafhdneetflkkylyeiarrhpyfyapellffakrykaafteccqaadkaacllp kldelrdegkassakqrlkcaslqkfgerafkawavaplsqrfpkaefaevsklvtdltk vhtecchgdllecaddradlakyicenqdsissklkeccekpllekshciaevendempa dlpslaadfveskdvcknyaeakdvflgmflyeyarrhpdysvvlllrlaktyettlekc caaadphecyakvfdefkplveepqnlikqncelfeqlgeykfqnallvrytkkvpqvst ptlvevsrnlgkvgskcckhpeakrmpcaedylsvvlnqlcvlhektpvsdrvtkcctes lvnrrpcfsalevdetyvpkefnaetftfhadictlsekerqikkqtalvelvkhkpkat keqlkavmddfaafvekcckaddketcfaeegkklvaasqaalgl
>1hk3A (A:) sevahrfkdlgeenfkalvliafaqylqqcpfedhvklvnevtefaktcvadesaencdk slhtlfgdklctdccakqepernecflqhkddnpnlprlvrpevdvmctafhdneetflk kylyeiarrhpyfyapellffakrykaafteccqaadkaacllpkldelrdegkassakq rlkcaslqkfgerafkawavaplsqrfpkaefaevsklvtdltkvhtecchgdllecadd radlakyicenqdsissklkeccekpllekshciaevendempadlpslaadfveskdvc knyaeakdvflgmflyeyarrhpdysvvlllrlaktyettlekccaaadphecyakvfde fkplveepqnlikqncelfeqlgeykfqnallvrytkkvpqvstptlvevsrnlgkvgsk cckhpeakrmpcaedylsvvlnqlcvlhektpvsdrvtkccteslvnrrpcfsalevdet yvpkefnaetftfhadictlsekerqikkqtalvelvkhkpkatkeqlkavmddfaafve kcckaddketcfaeegkkl