BibTex format
@unpublished{Cardona:2018:10.1101/502450,
author = {Cardona, T and Rutherford, AW},
doi = {10.1101/502450},
title = {Evolution of photochemical reaction centres: more twists?},
url = {http://dx.doi.org/10.1101/502450},
year = {2018}
}
Publications
Citation
RIS format (EndNote, RefMan)
TY - UNPB
AB - <jats:p>The earliest event recorded in the molecular evolution of photosynthesis is the structural and functional specialisation of Type I (ferredoxin-reducing) and Type II (quinone-reducing) reaction centres. Here we point out that the homodimeric Type I reaction centre of Heliobacteria has a Ca2+-binding site with a number of striking parallels to the Mn4CaO5 cluster of cyanobacterial Photosystem II. This structural parallels indicate that water oxidation chemistry originated at the divergence of Type I and Type II reaction centres. We suggests that this divergence was triggered by a structural rearrangement of a core transmembrane helix resulting in a shift of the redox potential of the electron donor side and electron acceptor side at the same time and in the same redox direction.</jats:p>
AU - Cardona,T
AU - Rutherford,AW
DO - 10.1101/502450
PY - 2018///
TI - Evolution of photochemical reaction centres: more twists?
UR - http://dx.doi.org/10.1101/502450
ER -