>2qf3B (B:) observed residues (from ATOM records)
dstdetpasynlavrraapavvnvynrglneirtlgsgvimdqrgyiitnkhvindadqi
ivalqdgrvfeallvgsdsltdlavlkinatgglptipinarrvphigdvvlaignpynl
gqtitqgiisatgriglnptgrqnflqtdasinhgnsggalvnslgelmgintlsftpeg
igfaipfqlatkimdklird