Chains and heterogens:
PDB Chain Sequences:
>2glkA (A:) mnyqptpedrftfglwtvgwqgrdpfgdatrraldpvesvrrlaelgahgvtfhdddlip fgssdsereehvkrfrqalddtgmkvpmattnlfthpvfkdggftandrdvrryalrkti rnidlavelgaetyvawggregaesggakdvrdaldrmkeafdllgeyvtsqgydirfai epkpneprgdillptvghalafierlerpelygvnpevgheqmaglnfphgiaqalwagk lfhidlngqngikydqdlrfgagdlraafwlvdllesagysgprhfdfkpprtedfdgvw asaagcmrnylilkeraaafradpevqealrasrldelarptaadglqallddrsafeef dvdaaaargmaferldqlamdhllgarg