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In most photosynthetic organisms, the chlorin ring structure of chlorophyll a is formed by the reduction of the porphyrin D-ring by the dark-operative nitrogenase-like enzyme, protochlorophyllide(More)
The isocyclic ring (E-ring) is a common structural feature of chlorophylls. The E-ring is formed by two structurally unrelated Mg-protoporphyrin IX monomethylester (MPE) cyclase systems,(More)
In oxygenic photosynthetic organisms, the properties of photosynthetic reaction systems primarily depend on the Chl species used. Acquisition of new Chl species with unique optical properties may(More)
Red chlorophyll catabolite reductase (RCCR) catalyzes the ferredoxin-dependent reduction of the C20/C1 double bond of red chlorophyll catabolite (RCC), the catabolic intermediate produced in(More)