>1gn2B (B:) observed residues (from ATOM records)
aeytlpdldwdygalephisgqinelhhskhhatyvkgandavakleearakedhsaill
neknlafnlaghvnhtiwwknlspnggdkptgelaaaiadafgsfdkfraqfhaaattvq
gcgwaalgwdtlgnkllifqvydhqtnfplgivplllldmwehafylqyknvkvdfakaf
wnvvnwadvqsryaaats