>3c39A (A:) observed residues (from ATOM records)
slsnkltldkldvkgkrvvmrvdfnvpmknnqitnnqrikaavpsikfcldngaksvvlm
shlgrpdgvpmpdkyslepvavelksllgkdvlflkdcvgpevekacanpaagsvillen
lrfhveeegkgkkaepakieafraslsklgdvyvndafgtahrahssmvgvnlpqkaggf
lmkkelnyfakalesperpflailggakvadkiqlinnmldkvnemiigggmaftflkvl
nnmeigtslfdeegakivkdlmskaekngvkitlpvdfvtadkfdenaktgqatvasgip
agwmgldcgpesskkyaeavtrakqivwngpvgvfeweafargtkalmdevvkatsrgci
tiiggdkvshvstgggaslellegkvlpgvdalsni