>4c3zA (A:) observed residues (from ATOM records)
tnsitvrnatftwarsdpptlngitfsipegalvavvgqvgcgkssllsallaemdkveg
hvaikgsvayvpqqawiqndslrenilfgcqleepyyrsviqacallpdleilpsgdrte
igekgvnlsggqkqrvslaravysnadiylfddplsavdahvgkhifenvigpkgmlknk
trilvthsmsylpqvdviivmsggkisemgsyqellardgafaeflrtyas