Chains and heterogens:
PDB Chain Sequences:
>1k3tA (A:) mpikvgingfgrigrmvfqalcedgllgteidvvavvdmntdaeyfayqmrydtvhgkfk yevtttksspsvakddtlvvnghrilcvkaqrnpadlpwgklgveyviestglftakaaa eghlrggarkvvisapasggaktlvmgvnhheynpsehhvvsnascttnclapivhvlvk egfgvqtglmttihsytatqktvdgvsvkdwrggraaavniipsttgaakavgmvipstq gkltgmsfrvptpdvsvvdltftaardtsiqeidaalkrasktymkgilgytdeelvsad findnrssiydskatlqnnlpkerrffkivswydnewgyshrvvdlvrhmaskdrsarl
>1k3tB (B:) mpikvgingfgrigrmvfqalcedgllgteidvvavvdmntdaeyfayqmrydtvhgkfk yevtttksspsvakddtlvvnghrilcvkaqrnpadlpwgklgveyviestglftakaaa eghlrggarkvvisapasggaktlvmgvnhheynpsehhvvsnascttnclapivhvlvk egfgvqtglmttihsytatqktvdgvsvkdwrggraaavniipsttgaakavgmvipstq gkltgmsfrvptpdvsvvdltftaardtsiqeidaalkrasktymkgilgytdeelvsad findnrssiydskatlqnnlpkerrffkivswydnewgyshrvvdlvrhmaskdrsarl
>1k3tC (C:) mpikvgingfgrigrmvfqalcedgllgteidvvavvdmntdaeyfayqmrydtvhgkfk yevtttksspsvakddtlvvnghrilcvkaqrnpadlpwgklgveyviestglftakaaa eghlrggarkvvisapasggaktlvmgvnhheynpsehhvvsnascttnclapivhvlvk egfgvqtglmttihsytatqktvdgvsvkdwrggraaavniipsttgaakavgmvipstq gkltgmsfrvptpdvsvvdltftaardtsiqeidaalkrasktymkgilgytdeelvsad findnrssiydskatlqnnlpkerrffkivswydnewgyshrvvdlvrhmaskdrsarl
>1k3tD (D:) mpikvgingfgrigrmvfqalcedgllgteidvvavvdmntdaeyfayqmrydtvhgkfk yevtttksspsvakddtlvvnghrilcvkaqrnpadlpwgklgveyviestglftakaaa eghlrggarkvvisapasggaktlvmgvnhheynpsehhvvsnascttnclapivhvlvk egfgvqtglmttihsytatqktvdgvsvkdwrggraaavniipsttgaakavgmvipstq gkltgmsfrvptpdvsvvdltftaardtsiqeidaalkrasktymkgilgytdeelvsad findnrssiydskatlqnnlpkerrffkivswydnewgyshrvvdlvrhmaskdrsarl