>1ir2B (B:) observed residues (from ATOM records)
agagfkagvkdyrltyytpdyvvrdtdilaafrmtpqpgvppeecgaavaaesstgtwtt
vwtdgltsldrykgrcydiepvpgednqyiayvaypidlfeegsvtnmftsivgnvfgfk
alralrledlrippayvktfvgpphgiqverdklnkygrgllgctikpklglsaknygra
vyeclrggldftkddenvnsqpfmrwrdrflfvaeaiykaqaetgevkghylnatagtce
emmkravcakelgvpiimhdyltggftantslaiycrdnglllhihramhavidrqrnhg
ihfrvlakalrmsggdhlhsgtvvgklegerevtlgfvdlmrddyvekdrsrgiyftqdw
csmpgvmpvasggihvwhmpalveifgddaclqfgggtlghpwgnapgaaanrvaleact
qarnegrdlareggdvirsackwspelaaacevwkeikfefdtidkl