This b-type cytochrome is tightly associated with the reaction center of photosystem II (PSII). PSII is a light-driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation.

Belongs to the PsbE/PsbF family.

84 amino acids

MIMAAGSTGERPFFEIITSIRYWIIHAVTLPAIFIAGFLFVYTGLAYDAFGTPRPDSYFQSSESKAPVVTQRYEAKSQLDLRTK

9.5 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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