>2iy4R (R:) observed residues (from ATOM records)
svdtkeflnhqvanlnvftvkihqihwymrghnfftlhekmddlysefgeqmdevaerll
aiggspfstlkeflenasveeapytkpktmdqlmedlvgtlellrdeyqqgieltdkegd
nvtndmliafkasidkhiwmfkaflgkaple