Chains and heterogens:
PDB Chain Sequences:
>1rtrA (A:) mtnlpmnklidevnnelsvainksvmdtqleesmlyslnaggkrirpvlllltldslnte yelgmksaialemihtyslihddlpamdnddyrrgkltnhkvygewtailagdalltkaf elissddrltdevkikvlqrlsiasghvgmvggqmldmqsegqpidletlemihktktga lltfavmsaadianvddttkehlesysyhlgmmfqikddlldcygdeaklgkkvgsdlen nkstyvsllgkdgaedkltyhrdaavdeltqideqfntkhlleivdlfysrdhkghhhhh h
>1rtrA (A:) tnlpmnklidevnnelsvainksvmdtqleesmlyslnaggkrirpvlllltldslntey elgmksaialemihtyslihddlpamdnddyrrgkltnhkvygewtailagdalltkafe lissddrltdevkikvlqrlsiasghvgmvggqmldmqsegqpidletlemihktktgal ltfavmsaadianvddttkehlesysyhlgmmfqikddlldcygdeakstyvsllgkdga edkltyhrdaavdeltqideqfntkhlleivdlfysr
>1rtrB (B:) mtnlpmnklidevnnelsvainksvmdtqleesmlyslnaggkrirpvlllltldslnte yelgmksaialemihtyslihddlpamdnddyrrgkltnhkvygewtailagdalltkaf elissddrltdevkikvlqrlsiasghvgmvggqmldmqsegqpidletlemihktktga lltfavmsaadianvddttkehlesysyhlgmmfqikddlldcygdeaklgkkvgsdlen nkstyvsllgkdgaedkltyhrdaavdeltqideqfntkhlleivdlfysrdhkghhhhh h
>1rtrB (B:) tnlpmnklidevnnelsvainksvmdtqleesmlyslnaggkrirpvlllltldslntey elgmksaialemihtyslihddlpamdnddyrrgkltnhkvygewtailagdalltkafe lissddrltdevkikvlqrlsiasghvgmvggqmldmqsegqpidletlemihktktgal ltfavmsaadianvddttkehlesysyhlgmmfqikddlldcstyvsllgkdgaedklty hrdaavdeltqideqfntkhlleivdlfysr