How about 2,4-divinyl (DV) chlorophyll a (Chl a) which is the only Chl a
in the photosynthetic microplankton of tropical waters. It must be
fuctional in these reaction centers. For a general reference to the
literature, consult Anal.Biochem. 207:261-266 (1962), or Ciba Foundation
Symposium 180 p177-193 (1994).
Constantin A. Rebeiz
Laboratory of Plant Pigment Biochemistry and Photobiology
240 A PABL, 1201 West Gregory
University of Illinois
Urbana IL. 61801
