>4btjA (A:) observed residues (from ATOM records)
adilpanyvvkdrwkvlkkiggggfgeiyeamdlltrenvalkvesaqqpkqvlkmevav
lkklqgkdhvcrfigcgrnekfnyvvmqlqgrnladlrrsqprgtftlsttlrlgkqile
sieaihsvgflhrdikpsnfamgrlpstyrkcymldfglarqytnttgdvrpprnvagfr
gtvryasvnahknremgrhddlwslfymlvefavgqlpwrkikdkeqvgmikekyehrml
lkhmpsefhlfldhiasldyftkpdyqlimsvfensmkergiaeneafdwek