Photosystem I

Function

Photosystem I (PSI) is the second photosystem in the light harvesting systems of plants, algae and some bacteria. PSI is composed of 11 protein subunits, cytochrome b6, ferredoxin, plastocyanin, 4 phospholipids, 5 chlorophyls and carotenoid pigments, 3 coenzymes, Ca+2 and Mg+2 ions^[1].

3D Structures of photosystem I

Photosystem I 3D structures

ReferencesReferences

↑ Ben-Shem A, Frolow F, Nelson N. Crystal structure of plant photosystem I. Nature. 2003 Dec 11;426(6967):630-5. PMID:14668855 doi:10.1038/nature02200

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

Michal Harel, Joel L. Sussman

[1] Ben-Shem A, Frolow F, Nelson N. Crystal structure of plant photosystem I. Nature. 2003 Dec 11;426(6967):630-5. PMID:14668855 doi:10.1038/nature02200

[1]