>4z5rP (P:) observed residues (from ATOM records)
diqmtqspsslsasvgdrvtitcrasqsvstssysymhwyqqkpgkapkvlisyasnles
gvpsrfsgsgsgtdftltisslqpedfatyycqhswgiprtfgqgtkveikrtvaapsvf
ifppsdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstysls
stltlskadyekhkvyacevthqglsspvtksfnrge