>4duxB (B:) observed residues (from ATOM records)
vvlqrrdwenpgvtqlnrlaahppfaswrnseeartdrpsqqlrslngewrfawfpapea
vpeswlecdlpeadtvvvpsnwqmhgydapiytnvtypitvnppfvptenptgcysltfn
vdeswlqegqtriifdgvnsafhlwcngrwvgygqdsrlpsefdlsaflragenrlavmv
lrwsdgsyledqdmwrmsgifrdvsllhkpttqisdfhvatrfnddfsravleaevqmcg
elrdylrvtvslwqgetqvasgtapfggeiiderggyadrvtlrlnvenpklwsaeipnl
yravvelhtadgtlieaeacdvgfrevriengllllngkpllirgvnrhehhplhgqvmd
eqtmvqdillmkqnnfnavrcshypnhplwytlcdryglyvvdeaniethgmvpmnrltd
dprwlpamservtrmvqrdrnhpsviiwslgsesghganhdalyrwiksvdpsrpvqyeg
ggadttatdiicpmyarvdedqpfpavpkwsikkwlslpgetrplilceyahamgnslgg
fakywqafrqyprlqggfvwdwvdqslikydengnpwsayggdfgdtpndrqfcmnglvf
adrtphpalteakhqqqffqfrlsgqtievtseylfrhsdnellhwmvaldgkplasgev
pldvapqgkqlielpelpqpesagqlwltvrvvqpnatawseaghisawqqwrlaenlsv
tlpaashaiphlttsemdfcielgnkrwqfnrqsgflsqmwigdkkqlltplrdqftrap
ldndigvseatridpnawverwkaaghyqaeaallqctadtladavlittahawqhqgkt
lfisrktyridgsgqmaitvdvevasdtphpariglncqlaqvaervnwlglgpqenypd
rltaacfdrwdlplsdmytpyvfpsenglrcgtrelnygphqwrgdfqfnisrysqqqlm
etshrhllhaeegtwlnidgfhmgiggddswspsvsaefqlsagryhyqlvwcqk