>1vbkB (B:) observed residues (from ATOM records)
mnvvivryksrqtrswfekilmnnirealvteevpykeifsrhgriivktnspkeaanvl
vrvfgivsispameveaslekinrtallmfrkkakevgkerpkfrvtarritkefpldsl
eiqakvgeyilnnencevdlknydieigieimqgkayiytekikgwgglpigtegrmigi
lhdelsalaiflmmkrgvevipvyigkddknlekvrslwnllkrysygskgflvvaesfd
rvlklirdfgvkgvikglrpvseitedfkmfpvpvyyplialpeeyiksvkerlgl