>4perA (A:) observed residues (from ATOM records)
yfqgmdldiqceeinpsrwaellstmkscstirlddcnlsssnckdlssiihtnpslkel
klnnnelgdagieylckglltpslqklwlqncnltsascetlrsvlsaqpsltelhvgdn
klgtagvkvlcqglmnpncklqklqleyceltadivealnaalqakptlkelslsnntlg
dtavkqlcrglveascdlellhlencgitsdscrdisavlsskpslldlavgdnkigdtg
lallcqgllhpnckiqklwlwdcdltsasckdlsrvfstketllevslidnnlrdsgmem
lcqalkdpkahlqelwvrecgltaacckavssvlsvnkhlqvlhigenklgnagveilce
gllhpncnihslwlgncditaaccatlanvmvtkqnlteldlsyntledegvmklceavr
npnckmqqlilydifwgpevddelkaleearpdvkiis