Chains and heterogens:
PDB Chain Sequences:
>1hv6A (A:) gshpfdqavvkdptasyvdvkarrtflqsgqlddrlkaalpkeydctteatpnpqqgemv iprrylsgnhgpvnpdyepvvtlyrdfekisatlgnlyvatgkpvyatcllnmldkwaka dallnydpksqswyqvewsaataafalstmmaepnvdtaqrervvkwlnrvarhqtsfpg gdtsccnnhsywrgqeatiigviskddelfrwglgryvqamglinedgsfvhemtrheqs lhyqnyamlpltmiaetasrqgidlyaykengrdihsarkfvfaavknpdlikkyasepq dtrafkpgrgdlnwieyqrarfgfadelgfmtvpifdprtggsatllaykp