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Article

Deletion mutagenesis in Synechocystis sp. PCC6803 indicates that the Mn-stabilizing protein of photosystem II is not essential for O2 evolution.

Biochemistry - 15 Jan 1991

Burnap R L, Sherman L A

Abstract excerpt

The photosystem II (PSII) reaction center complex coordinates a cluster of Mn atoms that are involved in the accumulation of oxidizing equivalents generated by light-induced charge separations within the intrinsic portion of the PSII complex. A 33-kDa extrinsic protein, termed the Mn-stabilizing protein (MSP), has been implicated in the stabilization of two of the four Mn atoms of the cluster, yet the precise...

Topics

Blotting, Northern
Chlorophyll
Chromosome Deletion
Cloning, Molecular
Cyanobacteria
Light-Harvesting Protein Complexes
Manganese
Mutation
Oxygen
Photosynthesis
Photosynthetic Reaction Center Complex Proteins

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Photosystem II Protein Complex

Polymerase Chain Reaction

RNA, Messenger

Restriction Mapping

Spectrometry, Fluorescence

Source

Identifiers

PMID: 1899025
DOI: 10.1021/bi00216a020

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-1899025-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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Deletion mutagenesis in Synechocystis sp. PCC6803 indicates that the Mn-stabilizing protein of photosystem II is not essential for O2 evolution.PMID 1899025Read ↗

Characterization of site-directed mutants in manganese-stabilizing protein (MSP) of Synechocystis sp. PCC6803 unable to grow photoautotrophically in the absence of cytochrome c-550.Semantic proximity Read ↗

Homologs of plant PsbP and PsbQ proteins are necessary for regulation of photosystem ii activity in the cyanobacterium Synechocystis 6803.Semantic proximity Read ↗

Two regions of the Mn-stabilizing protein from Synechococcus elongatus that are involved in binding to photosystem II complexes.Semantic proximity Read ↗

Site-directed mutagenesis of glutamate residues in the large extrinsic loop of the photosystem II protein CP 43 affects oxygen-evolving activity and PS II assembly.Semantic proximity Read ↗

Structure and activity of the photosystem II manganese-stabilizing protein: role of the conserved disulfide bond.Semantic proximity Read ↗

Mass spectrometry-based footprinting reveals structural dynamics of loop E of the chlorophyll-binding protein CP43 during photosystem II assembly in the cyanobacterium Synechocystis 6803.Semantic proximity Read ↗

The Synechocystis Manganese Exporter Mnx Is Essential for Manganese Homeostasis in Cyanobacteria.Semantic proximity Read ↗

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 ↗

CyanoP is Involved in the Early Steps of Photosystem II Assembly in the Cyanobacterium Synechocystis sp. PCC 6803.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 ↗

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 ↗

Slr0151 in Synechocystis sp. PCC 6803 is required for efficient repair of photosystem II under high-light condition.Semantic proximity Read ↗

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