>2v68B (B:) observed residues (from ATOM records)
agagfkagvkdyrltyytpdyvvrdtdilaafrmtpqpgvppeecgaavaaesstgtwtt
vwtdgltsldrykgrcydiepvpgednqyiayvaypidlfeegsvtnmftsivgnvfgfk
alralrledlrippayvktfvgpphgiqverdklnkygrgllgctikpklglsaknygra
vyeclrggldftkddenvnsqpfmrwrdrflfvaeaiykaqaetgevkghylnatagtce
emmkravcakelgvpiimhdyltggftantslaiycrdnglllhihramhavidrqrnhg
ihfrvlakalrmsggdhlhsgtavgklegerevilgfvdlmrddyvekdrsrgiyftqdw
csmpgvmpvasggihvwhmpalveifgddaclqfgggtlghpwgnapgaaanrvaleact
qarnegrdlareggdvirsackwspelaaacevwkeikfefdtidkl