>2bnfB (B:) observed residues (from ATOM records)
nakpvykrillklsgealqgtefgidasildrmaqeikelvelgiqvgvvigggnlfrga
glakagmnrvvgdhmgmlatvmnglamrdalhrayvnarlmsaiplnvcdsyswaeaisl
lrnnrvvilsagtgnpffttdsaaclrgieieanvvlkatkvdgvftadpakdptatmye
qltysevlekelkvmdlaaftlardhklpirvfnmnkpgalrrvvmgekegtlite