Chains and heterogens:
PDB Chain Sequences:
>1hfvA (A:) gkvlskifgnkemrilmlgldaagkttilyklklgqsvttiptlgfnvetvtyknvkfnv wdvggqdkirplwrhyytgtqglifvvdcadrdridearqelhriindremrdaiilifa nkqdlpdamkpheiqeklgltrirdrnwyvqpscatsgdglyegltwltsnyks
>1hfvA (A:) nkemrilmlgldaagkttilyklklgqsvttiptlgfnvetvtyknvkfnvwdvggqdki rplwrhyytgtqglifvvdcadrdridearqelhriindremrdaiilifankqdlpdam kpheiqeklgltrirdrnwyvqpscatsgdglyegltwltsnyk
>1hfvB (B:) gkvlskifgnkemrilmlgldaagkttilyklklgqsvttiptlgfnvetvtyknvkfnv wdvggqdkirplwrhyytgtqglifvvdcadrdridearqelhriindremrdaiilifa nkqdlpdamkpheiqeklgltrirdrnwyvqpscatsgdglyegltwltsnyks
>1hfvB (B:) nkemrilmlgldaagkttilyklklgqsvttiptlgfnvetvtyknvkfnvwdvggqdki rplwrhyytgtqglifvvdcadrdridearqelhriindremrdaiilifankqdlpdam kpheiqeklgltrirdrnwyvqpscatsgdglyegltwltsnyk