>4yf2A (A:) SEQRES residues
makvfsrcelakemhdfgldgyrgynladwvclayytsgfntnavdheadgstnngifqi
ssrrwcrtlasngpnlcriyctdllnndlkdsivcamkivqeplglgyweawrhhcqgrd
lsdwvdgcdflehhhhhh