>2e21D (D:) observed residues (from ATOM records)
mnpesrvirkvlalqndekifsgerrvliafsggvdsvvltdvllklknyfslkevalah
fnhmlresaerdeefckefakernmkifvgkedvrafakenrmsleeagrflrykflkei
lesegfdciatahhlndlletsllfftrgtgldgligflpkeevirrplyyvkrseieey
akfkglrwvedetnyevsiprnrirhrvipelkrinenledtflkmvkvlraerefleee
aqklykevkkgncldvkklkekplalqrrvirkfigekdyekvelvrsllekggevnlgk
gkvlkrkerwlcfs