Chains and heterogens:
PDB Chain Sequences:
>1kv8A (A:) mslpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivl adakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtwe qaqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplf kgipihvfiagrsirdaaspveaarqfkrsiaelwg
>1kv8A (A:) lpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivlad akiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtweqa qqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplfkg ipihvfiagrsirdaaspveaarqfkrsiaelw
>1kv8B (B:) mslpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivl adakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtwe qaqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplf kgipihvfiagrsirdaaspveaarqfkrsiaelwg
>1kv8B (B:) slpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivla dakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtweq aqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplfk gipihvfiagrsirdaaspveaarqfkrsiaelwg