Chains and heterogens:
PDB Chain Sequences:
>2havA (A:) ktvrwcavseheatkcqsfrdhmksvipsdgpsvacvkkasyldciraiaaneadavtld aglvydaylapnnlkpvvaefygskedpqtfyyavavvkkdsgfqmnqlrgkkschtglg rsagwnipigllycdlpeprkplekavanffsgscapcadgtdfpqlcqlcpgcgcstln qyfgysgafkclkdgagdvafvkhstifenlankadrdqyellcldntrkpvdeykdchl aqvpshtvvarsmggkedliwellnqaqehfgkdkskefqlfssphgkdllfkdsahgfl kvpprmdakmylgyeyvtairnlregtcpeaptdeckpvkwcalshherlkcdewsvnsv gkiecvsaettedciakimngeadamsldggfvyiagkcglvpvlaenynksdncedtpe agyfavavvkksasdltwdnlkgkkschtavgrtagwnipmgllynkinhcrfdeffseg capgskkdsslcklcmgsglnlcepnnkegyygytgafrclvekgdvafvkhqtvpqntg gknpdpwaknlnekdyellcldgtrkpveeyanchlarapnhavvtrkdkeacvhkilrq qqhlfgsnvtdcsgnfclfrsetkdllfrddtvclaklhdrntyekylgeeyvkavgnlr kcstsslleactfrrp
>2havB (B:) ktvrwcavseheatkcqsfrdhmksvipsdgpsvacvkkasyldciraiaaneadavtld aglvydaylapnnlkpvvaefygskedpqtfyyavavvkkdsgfqmnqlrgkkschtglg rsagwnipigllycdlpeprkplekavanffsgscapcadgtdfpqlcqlcpgcgcstln qyfgysgafkclkdgagdvafvkhstifenlankadrdqyellcldntrkpvdeykdchl aqvpshtvvarsmggkedliwellnqaqehfgkdkskefqlfssphgkdllfkdsahgfl kvpprmdakmylgyeyvtairnlregtcpeaptdeckpvkwcalshherlkcdewsvnsv gkiecvsaettedciakimngeadamsldggfvyiagkcglvpvlaenynksdncedtpe agyfavavvkksasdltwdnlkgkkschtavgrtagwnipmgllynkinhcrfdeffseg capgskkdsslcklcmgsglnlcepnnkegyygytgafrclvekgdvafvkhqtvpqntg gknpdpwaknlnekdyellcldgtrkpveeyanchlarapnhavvtrkdkeacvhkilrq qqhlfgsnvtdcsgnfclfrsetkdllfrddtvclaklhdrntyekylgeeyvkavgnlr kcstsslleactfrrp