Chains and heterogens:
PDB Chain Sequences:
>3ck0H (H:) qvqlqesggglvqprgslklscaasgftfntdamnwvrqapgkglewvarirskgfnfat yyadsvrdrftisrddsqsmlylqmnnlktedtgiyycvrgrdgeamdywgqgttltvss akttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsd lytlsssvtvpssprpsetvtcnvahpasstkvdkkivn
>3ck0H (H:) qvqlqesggglvqprgslklscaasgftfntdamnwvrqapgkglewvarirskgfnfat yyadsvrdrftisrddsqsmlylqmnnlktedtgiyycvrgrdgeamdywgqgttltvss akttppsvyplapmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlsssv tvpssprpsetvtcnvahpasstkvdkkivn
>3ck0L (L:) diqltqspsslavsagekvtmnckssqnllhsitrknylawyrqkpgqspklliywastr gsgvpdrftgsgsgtdftltissvqaedlavyyckqsynlytfgggtkleikradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm sstltltkdeyerhnsytceathktstspivksfnr