>4nnpY (Y:) observed residues (from ATOM records)
diqmtqspsslsasvgdrvtitcrasqsvssavawyqqkpgkapklliysasslysgvps
rfsgsrsgtdftltisslqpedfatyycqqsyysspftfgqgtkveikrtvaapsvfifp
psdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstl
tlskadyekhkvyacevthqglsspvtksfnrg