Читать книгу Molecular Mechanisms of Photosynthesis - Robert E. Blankenship - Страница 62

Chlorophyll c is perhaps the most unusual of all the chlorophylls, in that it does not have an isoprenoid tail and also does not have ring D reduced. It is therefore chemically classified as a porphyrin, and not as a chlorin. Chlorophyll c is found exclusively in various groups of marine algae, such as diatoms and dinoflagellates. It functions as an accessory light‐harvesting pigment in pigment–protein complexes similar to those involving chlorophyll b in plants and green algae. There are several structural variants of chlorophyll c, which vary in some of the peripheral ring substituents, as shown in Fig. 4.3.