Chains and heterogens:
PDB Chain Sequences:
>1ayeA (A:) letfvgdqvleivpsneeqiknllqleaqehlqldfwkspttpgetahvrvpfvnvqavk vflesqgiaysimiedvqvlldkeneemlfnrrrersgnfnfgayhtleeisqemdnlva ehpglvskvnigssfenrpmnvlkfstggdkpaiwldagiharewvtqatalwtankivs dygkdpsitsildaldifllpvtnpdgyvfsqtknrmwrktrskvsgslcvgvdpnrnwd agfggpgassnpcsdsyhgpsansevevksivdfikshgkvkafiilhsysqllmfpygy kctklddfdelsevaqkaaqslrslhgtkykvgpicsviyqasggsidwsydygikysfa felrdtgrygfllparqilptaeetwlglkaimehvrdhpy