>1usvH (H:) observed residues (from ATOM records)
wvdkncigwakeyfkqklvgveagsvkdkkyakiksvssiegdcevnqrkgkvislfdlk
itvlieghvdskdgsalpfegsinvpevafdseassyqfdisifketselseakplirse
llpklrqifqqfgkdllathg