Chains and heterogens:
PDB Chain Sequences:
>1howA (A:) fhpafkgepykdaryilvrklgwghfstvwlakdmvnnthvamkivrgdkvyteaaedei kllqrvndadntkedsmganhilklldhfnhkgpngvhvvmvfevlgenllalikkyehr gipliyvkqiskqlllgldymhrrcgiihtdikpenvlmeivdspenliqikiadlgnac wydehytnsiqtreyrspevllgapwgcgadiwstaclifelitgdflfepdeghsytkd ddhiaqiiellgelpsyllrngkytrtffnsrgllrnisklkfwpledvltekykfskde akeisdflspmlqldprkradagglvnhpwlkdtlgmeeirvpdrelygsgsdipgwfee vr
>1howA (A:) fhpafkgepykdaryilvrklgwghfstvwlakdmvnnthvamkivrgdkvyteaaedei kllqrvndadntkedsmganhilklldhfnhkgpngvhvvmvfevlgenllalikkyehr gipliyvkqiskqlllgldymhrrcgiihtdikpenvlmeivdspenliqikiadlgnac wydehytnsiqtreyrspevllgapwgcgadiwstaclifelitgdflfepddddhiaqi iellgelpsyllrngkytrtffsklkfwpledvltekykfskdeakeisdflspmlqldp rkradagglvnhpwlkdtlgmeeirvpdrelygsgsdipgwfeevr