Chains and heterogens:
PDB Chain Sequences:
>1kw1A (A:) mslpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivl adakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtwe qaqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplf kgipihvfiagrsirdaaspveaarqfkrsiaelwg
>1kw1A (A:) lpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivlad akiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtweqa qqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplfkg ipihvfiagrsirdaaspveaarqfkrsiaelw
>1kw1B (B:) mslpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivl adakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtwe qaqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplf kgipihvfiagrsirdaaspveaarqfkrsiaelwg
>1kw1B (B:) slpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivla dakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtweq aqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplfk gipihvfiagrsirdaaspveaarqfkrsiaelwg