Chains and heterogens:
PDB Chain Sequences:
>1ng4A (A:) mghhhhhhhhhhssghiegrhmkrhyeavvigggiigsaiayylakenkntalfesgtmg grttsaaagmlgahaeceerdaffdfamhsqrlykglgeelyalsgvdirqhnggmfkla fseedvlqlrqmddldsvswyskeevlekepyasgdifgasfiqddvhvepyfvckayvk aakmlgaeifehtpvlhverdgealfiktpsgdvwanhvvvasgvwsgmffkqlglnnaf lpvkgeclsvwnddipltktlyhdhcyivprksgrlvvgatmkpgdwsetpdlgglesvm kkaktmlppiqnmkvdrfwaglrpgtkdgkpyigrhpedsrilfaaghfrngillapatg alisdlimnkevnqdwlhafridrkeavqi
>1ng4A (A:) mkrhyeavvigggiigsaiayylakenkntalfesgtmggrttsaaagmlgahaeceerd affdfamhsqrlykglgeelyalsgvdirqhnggmfklafseedvlqlrqmddldsvswy skeevlekepyasgdifgasfiqddvhvepyfvckayvkaakmlgaeifehtpvlhverd gealfiktpsgdvwanhvvvasgvwsgmffkqlglnnaflpvkgeclsvwnddipltktl yhdhcyivprksgrlvvgatmkpgdwsetpdlgglesvmkkaktmlppiqnmkvdrfwag lrpgtkdgkpyigrhpedsrilfaaghfrngillapatgalisdlimnkevnqdwlhafr idrk
>1ng4B (B:) mghhhhhhhhhhssghiegrhmkrhyeavvigggiigsaiayylakenkntalfesgtmg grttsaaagmlgahaeceerdaffdfamhsqrlykglgeelyalsgvdirqhnggmfkla fseedvlqlrqmddldsvswyskeevlekepyasgdifgasfiqddvhvepyfvckayvk aakmlgaeifehtpvlhverdgealfiktpsgdvwanhvvvasgvwsgmffkqlglnnaf lpvkgeclsvwnddipltktlyhdhcyivprksgrlvvgatmkpgdwsetpdlgglesvm kkaktmlppiqnmkvdrfwaglrpgtkdgkpyigrhpedsrilfaaghfrngillapatg alisdlimnkevnqdwlhafridrkeavqi
>1ng4B (B:) mkrhyeavvigggiigsaiayylakenkntalfesgtmggrttsaaagmlgahaeceerd affdfamhsqrlykglgeelyalsgvdirqhnggmfklafseedvlqlrqmddldsvswy skeevlekepyasgdifgasfiqddvhvepyfvckayvkaakmlgaeifehtpvlhverd gealfiktpsgdvwanhvvvasgvwsgmffkqlglnnaflpvkgeclsvwnddipltktl yhdhcyivprksgrlvvgatmkpgdwsetpdlgglesvmkkaktmlppiqnmkvdrfwag lrpgtkdgkpyigrhpedsrilfaaghfrngillapatgalisdlimnkevnqdwlhafr idrk