Chains and heterogens:
PDB Chain Sequences:
>1g3yA (A:) dlvdttemylrtiyeleeegvtplrariaerleqsgptvsqtvarmerdglvvvasdrsl qmtptgrtlatavmrkhalaerlltdiigldinkvhdeacrwehvmsdeverrlvkvlkd vsrspfgnpipgldelgvgnsdaaapgtrvidaatsmprkvrivqineifqvetdqftql ldadirvgseveivdrdghitlshngkdvellddlahtiriee
>1g3yA (A:) dlvdttemylrtiyeleeegvtplrariaerleqsgptvsqtvarmerdglvvvasdrsl qmtptgrtlatavmrkhalaerlltdiigldinkvhdeacrwehvmsdeverrlvkvlkd vsrspfgnpipgldelgvpgtrvidaamprkvrivqineifqvetdqftqlldadirvgs eveivdrhitlshngkdvellddlahtiriee