>3leiA (A:) observed residues (from ATOM records)
pveteniargkqasqsstayggaatravdgnvdsdyghhsvthtnfednawwqvdlgkte
nvgkvklynrgdgnvanrlsnfdvvllneakqevarqhfdslngkaelevfftakdaryv
kvelktkntplslaevevfrsat