Chains and heterogens:
PDB Chain Sequences:
>1a8p_ (-) snlnvervlsvhhwndtlfsfkttrnpslrfengqfvmiglevdgrplmraysiaspnye ehleffsikvqngpltsrlqhlkegdelmvsrkptgtlvtsdllpgkhlymlstgtglap fmsliqdpevyerfekvvlihgvrqvnelayqqfitehlpqseyfgeavkekliyyptvt resfhnqgrltdlmrsgklfediglppinpqddramicgspsmldescevldgfglkisp rmgepgdylierafvek