Abstract
The structure of pea light-harvesting complex LHCII determined to 3.4 Å resolution by electron crystallography (Kühlbrandt, Wang and Fujiyoshi (1994) Nature 367: 614–621) was examined to determine the relationship between structural elements and sequence motifs conserved in the extended family of light-harvesting antennas (Chl a/b, fucoxanthin Chl a/c proteins) and membrane-intrinsic stress-induced proteins (ELIPs) to which LHCII belongs. It is predicted that the eukaryotic ELIPs can bind at least four molecules of Chl. The one-helix prokaryotic ELIP of Synechococcus was modelled as a homodimer based on the high degree of conservation of residues involved in the interactions of the first (B) and third (A) helices of LHCII.
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Abbreviations
- CAB:
-
Chl a/b-binding
- ELIP:
-
early light-inducible protein
- FCP:
-
fucoxanthin-Chl a/c protein
- Lut1, Lut2:
-
lutein molecules 1 and 2
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Green, B.R., Kühlbrandt, W. Sequence conservation of light-harvesting and stress-response proteins in relation to the three-dimensional molecular structure of LHCII. Photosynth Res 44, 139–148 (1995). https://doi.org/10.1007/BF00018304
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DOI: https://doi.org/10.1007/BF00018304