Molecular Topology of the Photosystem II Chlorophyll a Binding Protein, CP 43: Topology of a Thylakoid Membrane Protein

Overview

Journal Photosynth Res

Publisher Springer

Date 2013 Dec 7

PMID 24311210

Citations 2

Authors

R T Sayre

E A Wrobel-Boerner

Affiliations

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Abstract

We have used antibodies generated against synthetic peptides to determine the topology of the 43 kD chlorophyll a binding protein (CP 43) of Photosystem II. Based on the pattern of proteolytic fragments detected (on western blots) by peptide specific antibodies, a six transmembrane span topological model, with the amino and carboxyl termini located on the stromal membrane surface, is predicted. This structure is similar to that predicted for CP 47, a PS II chlorophyll a binding protein (Bricker T (1990) Photosynth Res 24: 1-13). The model is discussed in reference to the possible location of chlorophyll binding sites.

Citing Articles

Supramolecular architecture of cyanobacterial thylakoid membranes: How is the phycobilisome connected with the photosystems?.

Bald D, Kruip J, Rogner M Photosynth Res. 2013; 49(2):103-18.

PMID: 24271608 DOI: 10.1007/BF00117661.

The structure and function of CP47 and CP43 in Photosystem II.

Bricker T, Frankel L Photosynth Res. 2005; 72(2):131-46.

PMID: 16228513 DOI: 10.1023/A:1016128715865.

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