Chains and heterogens:
PDB Chain Sequences:
>6itkA (A:) mnspqnvstkkvtvtgaagqisysllwriangevfgtdtpvelklleipqalggaegvam elldsafpllrnititadaneafdganaaflvgakprgkgeeradllanngkifgpqgka indnaaddirvlvvgnpantnaliasaaapdvpasrfnammrldhnraisqlatklgrgs aefnnivvwgnhsatqfpdityatvggekvtdlvdhdwyveefiprvanrgaeiievrgk ssaasaassaidhmrdwvqgteawssaaipstgaygipegifvglptvsrngeweivegl eisdfqraridanaqelqaereavrdlllehhhhhh
>6itkA (A:) stkkvtvtgaagqisysllwriangevfgtdtpvelklleipqalggaegvamelldsaf pllrnititadaneafdganaaflvgakperadllanngkifgpqgkaindnaaddirvl vvgnpantnaliasaaapdvpasrfnammrldhnraisqlatklgrgsaefnnivvwgnh satqfpdityatvggekvtdlvdhdwyveefiprvanrgaeiievrgkssaasaassaid hmrdwvqgteawssaaipstgaygipegifvglptvsrngeweivegleisdfqrarida naqelqaereavrdllle
>6itkB (B:) mnspqnvstkkvtvtgaagqisysllwriangevfgtdtpvelklleipqalggaegvam elldsafpllrnititadaneafdganaaflvgakprgkgeeradllanngkifgpqgka indnaaddirvlvvgnpantnaliasaaapdvpasrfnammrldhnraisqlatklgrgs aefnnivvwgnhsatqfpdityatvggekvtdlvdhdwyveefiprvanrgaeiievrgk ssaasaassaidhmrdwvqgteawssaaipstgaygipegifvglptvsrngeweivegl eisdfqraridanaqelqaereavrdlllehhhhhh
>6itkB (B:) stkkvtvtgaagqisysllwriangevfgtdtpvelklleipqalggaegvamelldsaf pllrnititadaneafdganaaflvgakperadllanngkifgpqgkaindnaaddirvl vvgnpantnaliasaaapdvpasrfnammrldhnraisqlatklgrgsaefnnivvwgnh satqfpdityatvggekvtdlvdhdwyveefiprvanrgaeiievrgkssaasaassaid hmrdwvqgteawssaaipstgaygipegifvglptvsrngeweivegleisdfqrarida naqelqaereavrdllle