>1px4B (B:) observed residues (from ATOM records)
rrdwenpgvtqlnrlaahppfaswrnseeartdrpsqqlrslngewrfawfpapeavpes
wlecdlpeadtvvvpsnwqmhgydapiytnvtypitvnppfvptenptgcysltfnvdes
wlqegqtriifdgvnsafhlwcngrwvgygqdsrlpsefdlsaflragenrlavmvlrws
dgsyledqdmwrmsgifrdvsllhkpttqisdfhvatrfnddfsravleaevqmcgelrd
ylrvtvslwqgetqvasgtapfggeiiderggyadrvtlrlnvenpklwsaeipnlyrav
velhtadgtlieaeacdvgfrevriengllllngkpllirgvnrhehhplhgqvmdeqtm
vqdillmkqnnfnavrcshypnhplwytlcdryglyvvdeaniethgmvpmnrltddprw
lpamservtrmvqrdrnhpsviiwslgnesghganhdalyrwiksvdpsrpvqyegggad
ttatdiicpmyarvdedqpfpavpkwsikkwlslpgetrplilceyahamgnslggfaky
wqafrqyprlqggfvwdwvdqslikydengnpwsayggdfgdtpndrqfcmnglvfadrt
phpalteakhqqqffqfrlsgqtievtseylfrhsdnellhwmvaldgkplasgevpldv
apqgkqlielpelpqpesagqlwltvrvvqpnatawseaghisawqqwrlaenlsvtlpa
ashaiphlttsemdfcielgnkrwqfnrqsgflsqmwigdkkqlltplrdqftrapldnd
iavseatridpnawverwkaaghyqaeaallqctadtladavlittahawqhqgktlfis
rktyridgsgqmaitvdvevasdtphpariglncqlaqvaervnwlglgpqenypdrlta
acfdrwdlplsdmytpyvfpsenglrcgtrelnygphqwrgdfqfnisrysqqqlmetsh
rhllhaeegtwlnidgfhmgiggddswspsvsaefqlsagryhyqlvwcqk