>1gn2A (A:) observed residues (from ATOM records)
aeytlpdldwdygalephisgqinelhhskhhatyvkgandavakleearakedhsaill
neknlafnlaghvnhtiwwknlspnggdkptgelaaaiadafgsfdkfraqfhaaattvq
gcgwaalgwdtlgnkllifqvydhqtnfplgivplllldmwehafylqyknvkvdfakaf
wnvvnwadvqsryaaats