>4cklB (B:) observed residues (from ATOM records)
alpdvrdglkpvhrrvlyamnvlgndwnkaykksarvvgdvigkyhphgdsavydtivrm
aqpfslrymlvdgqgnfgsidgdsaaamryteirlakiahelmadleketvdfvdnydgt
ekipdvmptkipnllvngssatnipphnltevingclayiddedisieglmehipgpdfp
taaiingrrgieeayrtgrgkvyiraraevetiivheipyqvnkarliekiaelvkekrv
egisalrdesdkdgmrivieevvlnnlysqtqlqvsfginmvalhhgqpkimnlkdiiaa
fvrhrrevvtrrtifelrkardrahilealavalanidpiielinpwqlgdaarpewlep
lyylteqqaqaildlrlqklleheklldeykelldqiaellrilgsadrlmevireelel
vreqfgdkrrteit