Before revision: alt=Crystal structure of B-phycoerythrin, a type of phycobiliprotein|300x300px|Crystal structure of B-phycoerythrin, a type of phycobiliprotein Biliproteins are pigment protein compounds that are located in photosynthesising organisms such as algae and certain insects.
After revision: alt=Crystal structure of B-phycoerythrin, a type of phycobiliprotein|300x300px|Crystal structure of B-phycoerythrin, a type of phycobiliprotein Biliproteins are pigment protein compounds that are located in photosynthesising organisms such as algae , and sometimes also in certain insects.