>4kbbB (B:) observed residues (from ATOM records)
nniilnlrykdnnlidlsgygakvevydgvelndknqfkltssanskirvtqnqniifns
vfldfsvsfwiripkykndgiqnyihneytiincmknnsgwkisirgnriiwtlidingk
tksvffeynirediseyinrwffvtitnnlnnakiyingklesntdikdireviangeii
fkldgdidrtqfiwmkyfsifntelsqsnieerykiqsyseylkdfwgnplmynkeyymf
nagnknsyiklkkdspvgeiltrskynqnskyinyrdlyigekfiirrkdivrkedyiyl
dffnlnqewrvytykyfkkeeeklflapisdsdefyntiqikeydeqptyscqllfkkde
estdeigligihrfyeseykdyfciskwylkevkrkpynlklgcnwqfipkdegwte