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Article

Mutation Val235Ala weakens binding of the 33-kDa manganese stabilizing protein of photosystem II to one of two sites.

Biochemistry - 1 Apr 1997

Betts S D, Ross J R, Pichersky E, Yocum C F

Abstract excerpt

The 33-kDa protein of the photosynthetic O2-evolving complex, also known as manganese stabilizing protein, contributes to the structural stability of the photosystem II tetranuclear Mn cluster and stimulates the water-oxidizing activity of this cluster. Quantification of extrinsic polypeptides in photosystem II has yielded data that support stoichiometries of either one or two copies of each protein per...

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PMID: 9092836
DOI: 10.1021/bi962413b

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Mutation Val235Ala weakens binding of the 33-kDa manganese stabilizing protein of photosystem II to one of two sites.PMID 9092836Read ↗

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Protection of the oxygen-evolving machinery by the extrinsic proteins of photosystem II is essential for development of cellular thermotolerance in Synechocystis sp. PCC 6803.Semantic proximity Read ↗

Probing the topography of the photosystem II oxygen evolving complex: PsbO is required for efficient calcium protection of the manganese cluster against dark-inhibition by an artificial reductant.Semantic proximity Read ↗

Independent Mutation of Two Bridging Carboxylate Ligands Stabilizes Alternate Conformers of the Photosynthetic O2-Evolving Mn4CaO5 Cluster in Photosystem II.Semantic proximity Read ↗

Importance of the N-terminal sequence of the extrinsic 23 kDa polypeptide in Photosystem II in ion retention in oxygen evolution.Semantic proximity Read ↗

Mutagenesis of basic residues R151 and R161 in manganese-stabilizing protein of photosystem II causes inefficient binding of chloride to the oxygen-evolving complex.Semantic proximity Read ↗

Perturbing the water cavity surrounding the manganese cluster by mutating the residue D1-valine 185 has a strong effect on the water oxidation mechanism of photosystem II.Semantic proximity Read ↗

Function of PsbO, the photosystem II manganese-stabilizing protein: probing the role of aspartic acid 157.Semantic proximity Read ↗

Mutation of a metal ligand stabilizes the high-spin form of the S2 state in the O2-producing Mn4CaO5 cluster of photosystem II.Semantic proximity Read ↗

The green alga Chlamydomonas reinhardtii as a tool for in vivo study of site-directed mutations in PsbO protein of photosystem II.Semantic proximity Read ↗

Mutation of arginine 357 of the CP43 protein of photosystem II severely impairs the catalytic S-state cycle of the H2O oxidation complex.Semantic proximity Read ↗

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