Chains and heterogens:
PDB Chain Sequences:
>1k6nH (H:) dlaslaiysfwiflagliyylqtenmregyplenedgtpaanqgpfplpkpktfilphgr gtltvpgpesedrpialartavsegfphaptgdpmkdgvgpaswvarrdlpeldghghnk ikpmkaaagfhvsagknpiglpvrgcdleiagkvvdiwvdipeqmarflevelkdgstrl lpmqmvkvqsnrvhvnalssdlfagiptiksptevtlleedkicgyvagglmyaapkrks
>1k6nL (L:) allsferkyrvpggtlvggnlfdfwvgpfyvgffgvatfffaalgiiliawsavlqgtwn pqlisvyppaleyglggaplakgglwqiiticatgafvswalreveicrklgigyhipfa fafailayltlvlfrpvmmgawgyafpygiwthldwvsntgytygnfhynpahmiaisff ftnalalalhgalvlsaanpekgkemrtpdhaatffrdlvgysigtlgihrlglllslsa vffsalcmiitgtiwfdqwvdwwqwwvklpwwanipgging
>1k6nM (M:) aeyqnifsqvqvrgpadlgmtedvnlanrsgvgpfstllgwfgnaqlgpiylgslgvlsl fsglmwfftigiwfwyqagwnpavflrdlfffsleppapeyglsfaaplkegglwliasf fmfvavwswwgrtylraqalgmgkhtawaflsaiwlwmvlgfirpilmgswseavpygif shldwtnnfslvhgnlfynpfhglsiaflygsallfamhgatilavsrfggereleqiad rgtaaeraalfwrwtmgfnatmegihrwaiwmavlvtltggigillsgtvvdnwyvwgqn hg