>2r7iB (B:) observed residues (from ATOM records)
sgpvpsrarvytdvnthrpreywdyeshvvewgnqddyqlvrklkysevfeainitnnek
vvvkilkpvkkkkikreikilenlrggpniitladivkrtpalvfehvnntdfkqlyqtl
tdydirfymyeilkaldychsmgimhrdvkphnvmidhehrklrlidwglaefyhpgqey
nvrvasryfkgpellvdyqmydysldmwslgcmlasmifrkepffhghdnydqlvriakv
lgtedlydyidkynieldprfndilgrhsrkrwerfvhsenqhlvspealdfldkllryd
hqsrltareamehpyfytvvkd