Chains and heterogens:
PDB Chain Sequences:
>1k6lH (H:) dlaslaiysfwiflagliyylqtenmregyplenedgtpaanqgpfplpkpktfilphgr gtltvpgpesedrpialartavsegfphaptgdpmkdgvgpaswvarrdlpeldghghnk ikpmkaaagfhvsagknpiglpvrgcdleiagkvvdiwvdipeqmarflevelkdgstrl lpmqmvkvqsnrvhvnalssdlfagiptiksptevtlleedkicgyvagglmyaapkrks
>1k6lL (L:) allsferkyrvpggtlvggnlfdfwvgpfyvgffgvatfffaalgiiliawsavlqgtwn pqlisvyppaleyglggaplakgglwqiiticatgafvswalreveicrklgigyhipfa fafailayltlvlfrpvmmgawgyafpygiwthldwvsntgytygnfhynpahmiaisff ftnalalalhgalvlsaanpekgkemrtpdhedtffrdlvgysigtlgihrlglllslsa vffsalcmiitgtiwfdqwvdwwqwwvklpwwanipgging
>1k6lM (M:) aeyqnifsqvqvrgpadlgmtedvnlanrsgvgpfstllgwfgnaqlgpiylgslgvlsl fsglmwfftigiwfwyqagwnpavflrdlfffsleppapeyglsfaaplkegglwliasf fmfvavwswwgrtylraqalgmgkhtawaflsaiwlwmvlgfirpilmgswseavpygif shldwtnnfslvhgnlfynpfhglsiaflygsallfamhgatilavsrfggereleqiad rgtaaeraalfwrwtmgfnatmegihrwaiwmavlvtltggigillsgtvvdnwyvwgqn hg