Chains and heterogens:
PDB Chain Sequences:
>1e1aA (A:) ipvieplftkvtedipgaegpvfdkngdfyivapevevngkpageilridlktgkktvic kpevngyggipagcqcdrdanqlfvadmrlgllvvqtdgtfeeiakkdsegrrmqgcndc afdyegnlwitapagevapadytrsmqekfgsiycfttdgqmiqvdtafqfpngiavrhm ndgrpyqlivaetptkklwsydikgpakienkkvwghipgtheggadgmdfdednnllva nwgsshievfgpdggqpkmrircpfekpsnlhfkpqtktifvtehennavwkfewqrngk kqycetlkfgif