>sp|A2BNS6|YCF3_PROMS Photosystem I assembly protein Ycf3 OS=Prochlorococcus marinus GN=ycf3 MPSNQNRDNFIDKAFTVIAESIVKIMPIAEKEKKAYIYYRDGLAAQNNGDYSEALEYYKE SLLLEENKIDRGETLKNMAIIYMSNGEEDLSIETYEKALEENPKQPSCLKNIGLIYEKRG RYAEQNGDLDQRDIWFDKAAEVWSKAVRLYPGGYLDIENWLKNSGRSSIDIYL