>2fbkB (B:) observed residues (from ATOM records)
dtaallerirsdwarlnhgpsagpmltllllerlhaalgreiertyaasglnaagwdlll
tlyrsappeglrptelsalaaisgpstsnrivrllekglierreasirltpqgralvthl
lpahlattqrvlaplsaqeqrtleelagrmlagleq