Chains and heterogens:
PDB Chain Sequences:
>1ksaA (A:) malfgsndvttahsdyeivleggssswgkvkarakvnappaspllpadcdvklnvkpldp akgfvrisavfesivdstknkltieadianetkerrisvgegmvsvgdfshtfsfegsvv nlfyyrsdavrrnvpnpiymqgrqfhdilmkvpldnndlidtwegtvkaigstgafndwi rdfwfigpaftalneggqrisrievnglntesgpkgpvgvsrwrfshggsgmvdsisrwa elfpsdklnrpaqveagfrsdsqgievkvdgefpgvsvdaggglrrilnhpliplvhhgm vgkfnnfnvdaqlkvvlpkgykiryaapqyrsqnleeyrwsggayarwvehvckggvgqf eilyaq
>1ksaA (A:) ttahsdyeivleggssswgkvkarakvnappaspllpadcdvklnvkpldpakgfvrisa vfesivdstknkltieadianetkerrisvgegmvsvgdfshtfsfegsvvnlfyyrsda vrrnvpnpiymqgrqfhdilmkvpldnndlidtwegtvkaigstgafndwirdfwfigpa ftalneggqrisrievnglntesgpkgpvgvsrwrfshggsgmvdsisrwaelfpsdkln rpaqveagfrsdsqgievkvdgefpgvsvdaggglrrilnhpliplvhhgmvgkfnnfnv daqlkvvlpkgykiryaapqyrsqnleeyrwsggayarwvehvckggvgqfeilyaq
>1ksaB (B:) malfgsndvttahsdyeivleggssswgkvkarakvnappaspllpadcdvklnvkpldp akgfvrisavfesivdstknkltieadianetkerrisvgegmvsvgdfshtfsfegsvv nlfyyrsdavrrnvpnpiymqgrqfhdilmkvpldnndlidtwegtvkaigstgafndwi rdfwfigpaftalneggqrisrievnglntesgpkgpvgvsrwrfshggsgmvdsisrwa elfpsdklnrpaqveagfrsdsqgievkvdgefpgvsvdaggglrrilnhpliplvhhgm vgkfnnfnvdaqlkvvlpkgykiryaapqyrsqnleeyrwsggayarwvehvckggvgqf eilyaq
>1ksaB (B:) ttahsdyeivleggssswgkvkarakvnappaspllpadcdvklnvkpldpakgfvrisa vfesivdstknkltieadianetkerrisvgegmvsvgdfshtfsfegsvvnlfyyrsda vrrnvpnpiymqgrqfhdilmkvpldnndlidtwegtvkaigstgafndwirdfwfigpa ftalneggqrisrievnglntesgpkgpvgvsrwrfshggsgmvdsisrwaelfpsdkln rpaqveagfrsdsqgievkvdgefpgvsvdaggglrrilnhpliplvhhgmvgkfnnfnv daqlkvvlpkgykiryaapqyrsqnleeyrwsggayarwvehvckggvgqfeilyaq