>3t2nL (L:) observed residues (from ATOM records)
qtvvtqepsltvspggtvtltcrsstgavttsnyanwvqqkpgqafrgligdtnnrapwt
parfsgsllggkaaltlsgvqpedeaeyycalwysnhfifgsgtkvtvlgqpkaapsvtl
fppsseelqankatlvclisdfypgavtvawkadsspvkagvetttpskqsnnkyaassy
lsltpeqwkshrsyscqvthegstvektvap