Chains and heterogens:
PDB Chain Sequences:
>1gn6A (A:) aeytlpdldwdygalephisgqinelhhskhhatyvkgandavakleearakedhsaill neknlafnlaghvnhtiwwknlspnggdkptgelaaaiadafgsfdkfraqfhaaattvq gsgwaalgwdtlgnkllifqvydhqtnfplaivplllldmwehafylqyknvkvdfakaf wnvvnwadvqsryaaats
>1gn6B (B:) aeytlpdldwdygalephisgqinelhhskhhatyvkgandavakleearakedhsaill neknlafnlaghvnhtiwwknlspnggdkptgelaaaiadafgsfdkfraqfhaaattvq gsgwaalgwdtlgnkllifqvydhqtnfplaivplllldmwehafylqyknvkvdfakaf wnvvnwadvqsryaaats
>1gn6C (C:) aeytlpdldwdygalephisgqinelhhskhhatyvkgandavakleearakedhsaill neknlafnlaghvnhtiwwknlspnggdkptgelaaaiadafgsfdkfraqfhaaattvq gsgwaalgwdtlgnkllifqvydhqtnfplaivplllldmwehafylqyknvkvdfakaf wnvvnwadvqsryaaats
>1gn6D (D:) aeytlpdldwdygalephisgqinelhhskhhatyvkgandavakleearakedhsaill neknlafnlaghvnhtiwwknlspnggdkptgelaaaiadafgsfdkfraqfhaaattvq gsgwaalgwdtlgnkllifqvydhqtnfplaivplllldmwehafylqyknvkvdfakaf wnvvnwadvqsryaaats