PHE2_RHDS2 104 MSAKIIAFSAVVATASAFAPTAGFVPRLRSGATSVNMAMDKSAKAPVITIFDHRGCSRAPKEYTGAKAGGKDDEMMVKAQSVKIEVSTGTAEGVLATSLAKMTK cpeA2 Light-harvesting photosynthetic tetrapyrrole chromophore-protein from the phycobiliprotein complex. Phycoerythrin alpha-2 chain, chloroplastic