>1ir2U (U:) observed residues (from ATOM records)
tkagagfkagvkdyrltyytpdyvvrdtdilaafrmtpqpgvppeecgaavaaesstgtw
ttvwtdgltsldrykgrcydiepvpgednqyiayvaypidlfeegsvtnmftsivgnvfg
fkalralrledlrippayvktfvgpphgiqverdklnkygrgllgctikpklglsaknyg
ravyeclrggldftkddenvnsqpfmrwrdrflfvaeaiykaqaetgevkghylnatagt
ceemmkravcakelgvpiimhdyltggftantslaiycrdnglllhihramhavidrqrn
hgihfrvlakalrmsggdhlhsgtvvgklegerevtlgfvdlmrddyvekdrsrgiyftq
dwcsmpgvmpvasggihvwhmpalveifgddaclqfgggtlghpwgnapgaaanrvalea
ctqarnegrdlareggdvirsackwspelaaacevwkeikfefdtidkl