AbstractThe whereabouts of the Ca2+ site in Photosystem II (PSII) was investigated by experiments in which Mn2+ was substituted for Ca2+. When stoichiometric amounts of Mn2+ ions were added to Ca2+-depleted PSII, the Mn2+ was not detected by EPR. The titration of Ca2+ back into Ca2+-depleted/Mn2+-containing PSII resulted in the simultaneous release of the Mn2+ and the loss of the two EPR signals which are characteristic of the Ca2+-depleted enzyme (i.e., the stable, modified S2 multiline signal arising from the intrinsic Mn cluster and the split S3 signal from an organic radical interacting with the Mn cluster). These results indicate that the Mn2+ occupies the functional Ca2+ site. The S2 and S3 EPR signal characteristic of this kind of Ca...
AbstractOxygen evolution by the mangano-enzyme of photosystem II is inhibited by Ca2+ depletion indu...
The proximity of Ca to the Mn cluster of the photosynthetic water-oxidation complex is demonstrated ...
AbstractMany heavy metals inhibit electron transfer reactions in Photosystem II (PSII). Cd2+ is know...
AbstractThe whereabouts of the Ca2+ site in Photosystem II (PSII) was investigated by experiments in...
AbstractThe roles of Ca2+ in H2O oxidation may be as a site of substrate binding, and as a structura...
The photosynthetic oxygen evolving complex (OEC) contains a cluster of four manganese atoms and requ...
Ca2+ is an integral component of the Mn4O5Ca cluster of the oxygen-evolving complex in photosystem I...
AbstractIn oxygenic photosynthesis, PSII carries out the oxidation of water and reduction of plastoq...
The oxygen we breathe, like the fuel we burn with it, is produced by photosynthesis. A series of ele...
AbstractA Fourier transform infrared (FTIR) difference spectrum of the oxygen-evolving Mn cluster up...
A Fourier transform infrared (FTIR) difference spectrum of the oxygen-evolvingMn cluster upon the S1...
AbstractEffects of adding monovalent alkali metal cations to Ca2+-depleted photosystem (PS)II membra...
The catalytic site of the oxygen evolving complex in photosystem II is composed of four manganese at...
Calcium and chloride are necessary cofactors for the proper function of the oxygen-evolving complex ...
AbstractThe effect of the Calcium channel activator, CGP 28392, on the reactivation of oxygen evolut...
AbstractOxygen evolution by the mangano-enzyme of photosystem II is inhibited by Ca2+ depletion indu...
The proximity of Ca to the Mn cluster of the photosynthetic water-oxidation complex is demonstrated ...
AbstractMany heavy metals inhibit electron transfer reactions in Photosystem II (PSII). Cd2+ is know...
AbstractThe whereabouts of the Ca2+ site in Photosystem II (PSII) was investigated by experiments in...
AbstractThe roles of Ca2+ in H2O oxidation may be as a site of substrate binding, and as a structura...
The photosynthetic oxygen evolving complex (OEC) contains a cluster of four manganese atoms and requ...
Ca2+ is an integral component of the Mn4O5Ca cluster of the oxygen-evolving complex in photosystem I...
AbstractIn oxygenic photosynthesis, PSII carries out the oxidation of water and reduction of plastoq...
The oxygen we breathe, like the fuel we burn with it, is produced by photosynthesis. A series of ele...
AbstractA Fourier transform infrared (FTIR) difference spectrum of the oxygen-evolving Mn cluster up...
A Fourier transform infrared (FTIR) difference spectrum of the oxygen-evolvingMn cluster upon the S1...
AbstractEffects of adding monovalent alkali metal cations to Ca2+-depleted photosystem (PS)II membra...
The catalytic site of the oxygen evolving complex in photosystem II is composed of four manganese at...
Calcium and chloride are necessary cofactors for the proper function of the oxygen-evolving complex ...
AbstractThe effect of the Calcium channel activator, CGP 28392, on the reactivation of oxygen evolut...
AbstractOxygen evolution by the mangano-enzyme of photosystem II is inhibited by Ca2+ depletion indu...
The proximity of Ca to the Mn cluster of the photosynthetic water-oxidation complex is demonstrated ...
AbstractMany heavy metals inhibit electron transfer reactions in Photosystem II (PSII). Cd2+ is know...