Chains and heterogens:
PDB Chain Sequences:
>1xih_ (-) yqptpedrftfglwtvgwqgrdpfgdatrraldpvesvqrlaelgahgvtfhdddlipfg ssdsereehvkrfrqalddtgmkvpmattnlfthpvfkdggftandrdvrryalrktirn idlavelgaetyvawggregaesggakdvrdaldrmkeafdllgeyvtsqgydirfaiep kpneprgdillptvghalafierlerpelygvnpevgheqmaglnfphgiaqalwagklf hidlngqngikydqdlrfgagdlraafwlvdllesagysgprhfdfkpprtedfdgvwas aagcmrnylilkeraaafradpevqealrasrldelarptaadglqallddrsafeefdv daaaargmaferldqlamdhllgar