Chains and heterogens:
PDB Chain Sequences:
>6a17A (A:) makrrnrktrfnlppgksgwpflgetigylkpytattlgdfmqqhvskygkiyrsnlfge ptivsadaglnrfilqnegrlfecsyprsiggilgkwsmlvlvgdmhrdmrsislnflsh arlrtillkdverhtlfvldswqqnsifsaqdeakkftfnlmakhimsmdpgeeeteqlk keyvtfmkgvvsaplnlpgtayhkalqsratilkfierkmeerkldikerkqrtdddllg wvlkhsnlsteqildlilsllfaghetssvaialaifflqacpkaveelreehleiarak kelgeselnwddykkmdftqcvinetlrlgnvvrflhrkalkdvrykgydipsgwkvlpv isavhldnsrydqpnlfnpwrwqqqntwgnnympfgggprlcagselaklemavfihhlv lkfnwelaeddkpfafpfvdfpngllirvsrilhhhh
>6a17A (A:) rfnlppgksgwpflgetigylkpytattlgdfmqqhvskygkiyrsnlfgeptivsadag lnrfilqnegrlfecsyprsiggilgkwsmlvlvgdmhrdmrsislnflsharlrtillk dverhtlfvldswqqnsifsaqdeakkftfnlmakhimsmdpgeeeteqlkkeyvtfmkg vvsaplnlpgtayhkalqsratilkfierkmeerkldikerkqrtdddllgwvlkhsnls teqildlilsllfaghetssvaialaifflqacpkaveelreehleiarakkelgeseln wddykkmdftqcvinetlrlgnvvrflhrkalkdvrykgydipsgwkvlpvisavhldns rydqpnlfnpwrwqqqntwgnnympfgggprlcagselaklemavfihhlvlkfnwelae ddkpfafpfvdfpngllirvsril