Chains and heterogens:
PDB Chain Sequences:
>1apmE (E:) seqesvkeflakakedflkkwetpsqntaqldqfdriktlgtgsfgrvmlvkhkesgnhy amkildkqkvvklkqiehtlnekrilqavnfpflvklefsfkdnsnlymvmeyvaggemf shlrrigrfaepharfyaaqivltfeylhsldliyrdlkpenllidqqgyiqvtdfgfak rvkgrtwtlcgtpeylapeiilskgynkavdwwalgvliyemaagyppffadqpiqiyek ivsgkvrfpshfssdlkdllrnllqvdltkrfgnlkngvndiknhkwfattdwiaiyqrk veapfipkfkgpgdtsnfddyeeeeirvsinekcgkeftef