>sp|Q9X7I4|PSAF_PROMA Photosystem I reaction center subunit III OS=Prochlorococcus marinus GN=psaF MRRLFSILLSAFLLLGLAPIVNAAGEAVNADRAATDFTASALTTCSENTRFNERASQATT PKDIARFERYSKASCGDDGLPHLVIAATIEPWGALANRHHEGDILIPGHIFIYVAGIIGW SGREYLRASKKTKNPAENEIIIDFALARQCLIKGAAWPVEANKQGRSGDLREKDENISLN GPR