>2jj2N (N:) observed residues (from ATOM records)
atlkditrrlksikniqkitksmkmvaaakyaraerelkparvygvgssdrglcgaihss
vakqmigvgdkirsikevgrrpptfgdifnrfrsvisykteyslaniiyyslkesttseq
sarmtamdnasknasemidkltltfnrtrqavitkelieiisgaaal