Chains and heterogens:
PDB Chain Sequences:
>1bg0A (A:) vdqatldkleagfkklqeasdcksllkkhltkdvfdsiknkktgmgatlldviqsgvenl dsgvgiyapdaesyrtfgplfdpiiddyhggfkltdkhppkqwgdintlvgldpagqfii strvrcgrslqgypfnpcltaeqykemeekvsstlssmedelkgtyypltgmskatqqql iddhflfkegdrflqtanacrywptgrgifhndaktflvwvneedhlriismqkggdlkt vykrlvtavdniesklpfshddrfgfltfcptnlgttmrasvhiqlpklakdrkvledia skfnlqvrgtrgehteseggvydisnkrrlglteyqavremqdgilemikmekaaa