Chains and heterogens:
PDB Chain Sequences:
>1tk8A (A:) mivsdieanallesvtkfhcgviydystaeyvsyrpsdfgayldaleaevargglivfhn ghkydvpaltklaklqlnrefhlprencidtlvlsrlihsnlkdtdmgllrsgklpgale awgyrlgemkgeykddfkrmleeqgeeyvdgmewwnfneemmdynvqdvvvtkallekll sdkhyfppeidftdvgyttfwsesleavdiehraawllakqerngfpfdtkaieelyvel aarrsellrkltetfgswyqpkggtemfchprtgkplpkypriktpkvggifkkpknkaq regrepceldtreyvagapytpvehvvfnpssrdhiqkklqeagwvptkytdkgapvvdd evlegvrvddpekqaaidlikeylmiqkrigqsaegdkawlryvaedgkihgsvnpngav tgrathafpnlaqipgvrspygeqcraafgaehhldgitgkpwvqagidasglelrclah fmarfdngeyaheilngdihtknqiaaelptrdnaktfiygflygagdekigqivgagke rgkelkkkflentpaiaalresiqqtlvessqwvageqqvkwkrrwikgldgrkvhvrsp haalntllqsagalicklwiikteemlvekglkhgwdgdfaymawvhdeiqvgcrteeia qvvietaqeamrwvgdhwnfrclldtegkmgpnwaich
>1tk8A (A:) mivsdieanallesvtkfhcgviydystaeyvsyrpsdfgayldaleaevargglivfhn ghkydvpaltklaklqlnrefhlprencidtlvlsrlihsnlkdtdmgllrsgklpgale awgyrlgemkgeykddfkrmleeqgeeyvdgmewwnfneemmdynvqdvvvtkallekll sdkhyfppeidftdvgyttfwsesleavdiehraawllakqerngfpfdtkaieelyvel aarrsellrkltetfgswyqpkggtemfchprtgkplpkypriktpkvggifkkpknkaq regrepceldtreyvagapytpvehvvfnpssrdhiqkklqeagwvptkytdkgapvvdd evlegvrvddpekqaaidlikeylmiqkrigqsaegdkawlryvaedgkihgsvnpngav tgrathafpnlaqipgvrspygeqcraafgaehhldgitgkpwvqagidasglelrclah fmarfdngeyaheilngdihtknqiaaelptrdnaktfiygflygagdekigqivgagke rgkelkkkflentpaiaalresiqqtlvessqqvkwkrrwikgldgrkvhvrsphaalnt llqsagalicklwiikteemlvekglkhgwdgdfaymawvhdeiqvgcrteeiaqvviet aqeamrwvgdhwnfrclldtegkmgpnwaich
>1tk8B (B:) sdkiihltddsfdtdvlkadgailvdfwaewcgpckmiapildeiadeyqgkltvaklni dqnpgtapkygirgiptlllfkngevaatkvgalskgqlkefldanla
>1tk8B (B:) kiihltddsfdtdvlkadgailvdfwaewcgpckmiapildeiadeyqgkltvaklnidq npgtapkygirgiptlllfkngevaatkvgalskgqlkefldanl