>4zffL (L:) observed residues (from ATOM records)
diqmtqspsslsasvgdrvtitcrasqflssfgvawyqqkpgkapklliygasslysgvp
srfsgsgsgtdftltisslqpedfatyycqqgllspltfgqgtkveikrtvaapsvfifp
psdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstl
tlskadyekhkvyacevthqglsspvtksfnrg