>6b4rB (B:) observed residues (from ATOM records)
tltradwearakdlkiegrafvngeysnaasgetfdclspvdgrflakvascdladaeqa
vkvarnafdsgawsrlapakrkqtmirfadlllenaeelalletldmgkpisdslhidva
saanslrwsaeaidkiydevaatphaelglvtrepvgvvaaivpwnfpllmscwklgpal
atgnsvilkpsekspltairiaqlaveagipkgvfnvlpgyghtvgkalalhmdvdtlvf
tgstkiakqlmvyagesnmkrvwleaggkspnivfadapdlkaaaeaaagaiafnqgevc
tagsrllversikdkflplviealkgwkpgnpldpetnvgalvdtqqmntvlsyieaghn
dgaklvaggkrtleetggtyveptifdgvtnamkiareeifgpvlsviefedaeeavria
ndtpyglaaavwtsnlskahltakalragsvwvnqydggdmtapfggfkqsgngrdkslh
afdkytelkatwikl