>2nnlF (F:) observed residues (from ATOM records)
setvcvtgasgfigswlvmrllergytvratvrdptnvkkvkhlldlpkaethltlwkad
ladegsfdeaikgctgvfhvatpmdfeskdpenevikptiegmlgimkscaaaktvrrlv
ftssagtvniqehqlpvydescwsdmefcrakkmtawmyfvsktlaeqaawkyakennid
fitiiptlvvgpfimssmppslitalspitgneahysiirqgqfvhlddlcnahiylfen
pkaegryicsshdciildlakmlrekypeyniptefkgvdenlksvcfsskkltdlgfef
kysledmftgavdtcrakgllppshe