>2vxsN (N:) observed residues (from ATOM records)
nfmltqphsvsespgktvtisctrssgslanyyvqwyqqrpgssptivifannqrpsgvp
drfsgsidsssnsasltisglktedeadyycqtydpysvvfgggtkltvlgqpkaapsvt
lfppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaass
ylsltpeqwkshrsyscqvthegstvektvapt