>sp|Q9S714|PSAE2_ARATH Photosystem I reaction center subunit IV B, chloroplastic OS=Arabidopsis thaliana GN=PSAE2 MAMTSAATGFILTANVPAAIGGGSSKSTTIVSFLPMRSFGSRLVVRAAEDTPPATASSDS SSTTAAAAPAKVPAAKAKPPPIGPKRGSKVKILRKESYWYKNVGSVVAVDQDPKTRYPVV VRFAKVNYANISTNNYALDEVEEVK