>sp|A2C4V4|PSAB_PROM1 Photosystem I P700 chlorophyll a apoprotein A2 OS=Prochlorococcus marinus GN=psaB MATKFPSFSQGLAQDPTTRRIWYGIATAHDFESHDGMTEEQLYQKLFSTHFGHLAIIGLW VAGNLFHIAWQGNFEQWVLDPLHTRPIAHAIWDPHFGQGLTDALTQAGATSPVNIAYSGL YHWWYTIGMRTNEQLFQGAIFINILVCWLLFAGWLHLQPKYRPSLAWFKNAESQLNHHLA VLFGFSSIAWTGHLIHVAIPESRGIHVGWENWLTVMPHPEGLTPFFSGNWGAYAQNPDSI DAVFGTSQGAGTAIFTFLGGLHPQSESLWLTDIAHHHLAIGVVFIIAGHMYRTNFGIGHS LKEIIEAHNTSHPKDPHRGYFGIKHNGLFETVNNSLHFQLGLALASLGVACSLVAQHMGA LPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFSHGAIFFVRDYDPELNKDNVLARILST KEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGTPEKQILIEPVFAQFAQAASGKMMYGF NALLANASSSASIAANSMPGNHYWMDMINRPDALTNFLPIGPADFLVHHAIALGLHTTAL ILIKGALDARGTKLIPDKKDLGFAFPCDGPGRGGTCDSSSWDATYLAMFWALNTIAWITF YWHWKHLAIWMGNTAQFNESGTYLMGWFRDYLWLNSSQLINGYNPFGVNALSPWAWMFLF GHLIWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLTH FTVGNFVTFGAFVIASTSGKFG