Chains and heterogens:
PDB Chain Sequences:
>1t3nA (A:) srvivhvdldcfyaqvemisnpelkdkplgvqqkylvvtcnyearklgvkklmnvrdake kcpqlvlvngedltryremsykvtelleefspvverlgfdenfvdltemvekrlqqlqsd elsavtvsghvynnqsinlldvlhirllvgsqiaaemreamynqlgltgcagvasnklla klvsgvfkpnqqtvllpescqhlihslnhikeipgigyktakclealginsvrdlqtfsp kilekelgisvaqriqklsfgednspvilsgppqsfseedsfkkcsseveaknkieella sllnrvcqdgrkphtvrliirryssekhygresrqcpipshviqklgtgnydvmtpmvdi lmklfrnmvnvkmpfhltllsvcfcnlk
>1t3nB (B:) srvivhvdldcfyaqvemisnpelkdkplgvqqkylvvtcnyearklgvkklmnvrdake kcpqlvlvngedltryremsykvtelleefspvverlgfdenfvdltemvekrlqqlqsd elsavtvsghvynnqsinlldvlhirllvgsqiaaemreamynqlgltgcagvasnklla klvsgvfkpnqqtvllpescqhlihslnhikeipgigyktakclealginsvrdlqtfsp kilekelgisvaqriqklsfgednspvilsgppqsfseedsfkkcsseveaknkieella sllnrvcqdgrkphtvrliirryssekhygresrqcpipshviqklgtgnydvmtpmvdi lmklfrnmvnvkmpfhltllsvcfcnlk