>2v68D (D:) observed residues (from ATOM records)
agfkagvkdyrltyytpdyvvrdtdilaafrmtpqpgvppeecgaavaaesstgtwttvw
tdgltsldrykgrcydiepvpgednqyiayvaypidlfeegsvtnmftsivgnvfgfkal
ralrledlrippayvktfvgpphgiqverdklnkygrgllgctikpklglsaknygravy
eclrggldftkddenvnsqpfmrwrdrflfvaeaiykaqaetgevkghylnatagtceem
mkravcakelgvpiimhdyltggftantslaiycrdnglllhihramhavidrqrnhgih
frvlakalrmsggdhlhsgtavgklegerevilgfvdlmrddyvekdrsrgiyftqdwcs
mpgvmpvasggihvwhmpalveifgddaclqfgggtlghpwgnapgaaanrvaleactqa
rnegrdlareggdvirsackwspelaaacevwkeikfefdtidkl