>1k3cA (A:) observed residues (from ATOM records)
gltpqeleaygisdvhdivynpsydllyqeeldpsltgyergvltnlgavavdtgiftgr
spkdkyivrddttrdtfwwadkgkgkndnkplspetwqhlkglvtrqlsgkrlfvvdafc
ganpdtrlsvrfitevawqahfvknmfirpsdeelagfkpdfivmngakctnpqwkeqgl
nsenfvafnltermqliggtwyggemkkgmfsmmnyllplkgiasmhcsanvgekgdvav
ffglsgtgkttlstdpkrrligddehgwdddgvfnfeggcyaktiklskeaepeiynair
rdallenvtvredgtidfddgsktentrvsypiyhidnivkpvskaghatkvifltadaf
gvlppvsrltadqtqyhflsgftaklagtergiteptptfsacfgaaflslhptqyaevl
vkrmqaagaqaylvntgwngtgkrisikdtraiidailngsldnaetftlpmfnlaipte
lpgvdtkildprntyaspeqwqekaetlaklfidnfdkytdtpagaalvaagpkl