>1s2vB (B:) observed residues (from ATOM records)
kvkkttqlkqmlnskdlefimeahnglsarivqeagfkgiwgsglsvsaqlgvrdsneas
wtqvvevlefmsdasdvpilldadtgygnfnnarrlvrkledrgvagacledklfpktns
graqpladieefalkikackdsqtdpdfcivarveafiagwgldealkraeayrnagada
ilmhskkadpsdieafmkawnnqgpvvivptkyyktptdhfrdmgvsmviwanhnlrasv
saiqqttkqiyddqslvnvedkivsvkeifrlqrddelvqaedkylp