>4duvB (B:) observed residues (from ATOM records)
idpvvlqrrdwenpgvtqlnrlaahppfaswrnseeartdrpsqqlrslngewrfawfpa
peavpeswlecdlpeadtvvvpsnwqmhgydapiytnvtypitvnppfvptenptgcysl
tfnvdeswlqegqtriifdgvnsafhlwcngrwvgygqdsrlpsefdlsaflragenrla
vmvlrwsdgsyledqdmwrmsgifrdvsllhkpttqisdfhvatrfnddfsravleaevq
mcgelrdylrvtvslwqgetqvasgtapfggeiiderggyadrvtlrlnvenpklwsaei
pnlyravvelhtadgtlieaeacdvgfrevriengllllngkpllirgvnrhehhplhgq
vmdeqtmvqdillmkqnnfnavrcshypnhplwytlcdryglyvvdeaniethgmvpmnr
ltddprwlpamservtrmvqrdrnhpsviiwslgnesghganhdalyrwiksvdpsrpvq
yegggadttatdiicpmyarvdedqpfpavpkwsikkwlslpgetrplilceyahamgns
lggfakywqafrqyprlqggfvwdwvdqslikydengnpwsayggdfgdtpndrqfcmng
lvfadrtphpalteakhqqqffqfrlsgqtievtseylfrhsdnellhwmvaldgkplas
gevpldvapqgkqlielpelpqpesagqlwltvrvvqpnatawseaghisawqqwrlaen
lsvtlpaashaiphlttsemdfcielgnkrwqfnrqsgflsqmwigdkkqlltplrdqft
rapldndiavseatridpnawverwkaaghyqaeaallqctadtladavlittahawqhq
gktlfisrktyridgsgqmaitvdvevasdtphpariglncqlaqvaervnwlglgpqen
ypdrltaacfdrwdlplsdmytpyvfpsenglrcgtrelnygphqwrgdfqfnisrysqq
qlmetshrhllhaeegtwlnidgfhmgiggddswspsvsaefqlsagryhyqlvwcqk