>2v69D (D:) observed residues (from ATOM records)
agfkagvkdyrltyytpdyvvrdtdilaafrmtpqpgvppeecgaavaaesstgtwttvw
tdgltsldrykgrcydiepvpgednqyiayvaypidlfeegsvtnmftsivgnvfgfkal
ralrledlrippayvktfvgpphgiqverdklnkygrgllgctikpklglsaknygravy
eclrggldftkddenvnsqpfmrwrdrflfvaeaiykaqaetgevkghylnatagtceem
mkravcakelgvpiimhdyltggftantslaiycrdnglllhihramhavidrqrnhgih
frvlakalrmsggdhlhsgtvvgklegerevtlgfvdlmrddyvekdrsrgiyftqdwcs
mpgvmpvasggihvwhmpalveifgddaclqfgggtlghpwgnapgaaanrvaleactqa
rnegrdlareggdvirsackwspelaaacevwkeikfefdtiek