Chains and heterogens:
PDB Chain Sequences:
>3i1vA (A:) mpftidsargifpntlaadvvpatiarfsqlnaedqlaliwfaylemgktltiaapgaas mqlaenalkeiqamgplqqtqamcdlanradtplcrtyaswspniklgfwyrlgelmeqg fvapipagyqlsananavlatiqglesgqqitvlrnavvdmgftagkdgkriaepvvppq dtasrtkvsiegvtnatvlnymdnlnandfdtlielftsdgalqppfqrpivgkenvlrf freecqnlklipergvtepaedgftqikvtgkvqtpwfggnvgmniawrfllnpegkiff vaidllaspkellnfavhhhhhh
>3i1vA (A:) idsargifpntlaadvvpatiarfsqlnaedqlaliwfaylemgktltiaapgaasmqla enalkeiqamgplqqtqamcdlanradtplcrtyaswspniklgfwyrlgelmeqgfvap ipagyqlsananavlatiqglesgqqitvlrnavvdmgfiaepvvppqdtasrtkvsieg vtnatvlnymdnlnandfdtlielftsdgalqppfqrpivgkenvlrffreecqnlklip ergvtepaedgftqikvtgkvqtpwfggnvgmniawrfllnpegkiffvaidllaspke
>3i1vB (B:) mpftidsargifpntlaadvvpatiarfsqlnaedqlaliwfaylemgktltiaapgaas mqlaenalkeiqamgplqqtqamcdlanradtplcrtyaswspniklgfwyrlgelmeqg fvapipagyqlsananavlatiqglesgqqitvlrnavvdmgftagkdgkriaepvvppq dtasrtkvsiegvtnatvlnymdnlnandfdtlielftsdgalqppfqrpivgkenvlrf freecqnlklipergvtepaedgftqikvtgkvqtpwfggnvgmniawrfllnpegkiff vaidllaspkellnfavhhhhhh
>3i1vB (B:) idsargifpntlaadvvpatiarfsqlnaedqlaliwfaylemgktltiaapgaasmqla enalkeiqamgplqqtqamcdlanradtplcrtyaswspniklgfwyrlgelmeqgfvap ipagyqlsananavlatiqglesgqqitvlrnavvdmgfriaepvvppqdtasrtkvsie gvtnatvlnymdnlnandfdtlielftsdgalqppfqrpivgkenvlrffreecqnlkli pergvtepaedgftqikvtgkvqtpwfggnvgmniawrfllnpegkiffvaidllaspke l