>3cnwB (B:) observed residues (from ATOM records)
mnmahtttsmeifgspeqvwqliggfnslpdwlpyipssklteggrvrhlanpdgdtiie
rlevfndkeryytysimnapfpvtnylstiqvkegtesntslvewsgtftpvevsdeeai
nlfhgiysdglkalqqafldl