phycobilisome

Term ID

GO:0030089

Synonyms

Definition

Any of the granules, approximately 32 nm x 48 nm and consisting of highly aggregated phycobiliproteins, that are attached in arrays to the external face of a thylakoid membrane in algae of the phyla Cyanophyta and Rhodophyta, where they function as light-harvesting devices in photosynthesis. Excitation energy in the phycobilisome flows in the sequence: phycoerythrin, phycocyanin, allophycocyanin before passing to the antenna chlorophyll of photosystem II. (2)

References

• Wikipedia:Phycobilisome

Ontology

GO: Cellular Component    QuickGO    AmiGO