Words similar to lhcp
Example sentences for: lhcp
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Further understanding of LHC assembly requires a better knowledge of the characteristics of the reaction catalyzed by Chl(ide) a oxidase and whether Chl b is restricted to these complexes because LHCP serves as a specific effector of the oxidation of Chl(ide) a or whether the protein simply provides binding sites for Chl b and prevents its conversion back to Chl a [ 45 ] . The latter appears less likely as a specific effect, because similar ligands should occur in other proteins.
Substitution of these amino acids in the sequence of Lhcb1, a major LHCP that can not be detected in Chl b -less plants [ 5 8 ] , would be expected to restore accumulation of the protein with only Chl a.
b and LHCPs accumulated in parallel with no increase in synthesis of total Chl [ 10 ] . These results indicate that photosystem I and II core complex proteins, which are synthesized in the chloroplast, compete effectively with LHCP for small amounts of Chl a made under these conditions, and that Chl b does not accumulate until sufficient Chl a is made to satisfy core complexes.
Import of a mutant LHCP into isolated chloroplasts was nearly abolished when His within the motif was substituted with Ala [ 28 ] . Association of Chl with this motif, therefore, appears essential for continuation of the proteins on the pathway of assembly of an LHC.
3. Assuming a relative equilibrium constant of 3.0 for Chl a and 5.0 for Chl b binding to a ligand in LHCP (numerals approximated from data obtained by Tamiaki et al.
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