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An atypical haem in the cytochrome b6f complex
Photosystems I and II (PSI and II) are reaction centres that capture light energy in order to drive oxygenic photosynthesis; however, they can only do so by interacting with the multisubunitExpand
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The X-ray crystal structure of the membrane protein prostaglandin H2 synthase-1
The three-dimensional structure of prostaglandin H2 synthase-1, an integral membrane protein, has been determined at 3.5 Å resolution by X-ray crystallography. This bifunctional enzyme comprisesExpand
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The structural basis of aspirin activity inferred from the crystal structure of inactivated prostaglandin H2 synthase
Aspirin exerts its anti-inflammatory effects through selective acetylation of serine 530 on prostaglandin H2 synthase (PGHS). Here we present the 3.4 Å resolution X-ray crystal structure of PGHSExpand
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The Qo site of cytochrome b6f complexes controls the activation of the LHCII kinase
We created a Qo pocket mutant by site‐directed mutagenesis of the chloroplast petD gene in Chlamydomonas reinhardtii. We mutated the conserved PEWY sequence in the EF loop of subunit IV into PWYE.Expand
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Spectral and redox characterization of the heme ci of the cytochrome b6f complex.
Absorption spectra of the purified cytochrome b(6)f complex from Chlamydomonas reinhardtii were monitored as a function of the redox potential. Four spectral and redox components were identified: inExpand
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From low- to high-potential bioenergetic chains: Thermodynamic constraints of Q-cycle function.
The electrochemical parameters of all cofactors in the supercomplex formed by the Rieske/cytb complex and the SoxM/A-type O2-reductase from the menaquinone-containing Firmicute GeobacillusExpand
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The ci/bH moiety in the b6f complex studied by EPR: A pair of strongly interacting hemes
X-band EPR features in the region of 90–150 mT have previously been attributed to heme ci of the b6 complex [Zhang H, Primak A, Bowman MK, Kramer DM, Cramer WA (2004) Biochemistry 43:16329–16336] andExpand
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Prostaglandin H synthase
Abstract The prostaglandin H synthase structure reveals that the enzyme has a fold similar to those of other heme peroxidases, but differing in that a second active site has evolved within this foldExpand
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How Cations Can Assist DNase I in DNA Binding and Hydrolysis
Using molecular dynamics simulations, we show that bovine pancreatic (bp) DNase I contains four ion-binding pockets. Expand
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Calibration of size-exclusion chromatography: use of a double Gaussian distribution function to describe pore sizes.
A method for the calibration of size-exclusion chromatographic columns is proposed that takes into account the nonlinear dependence of the Stokes radius Rs upon the partition coefficient KD. TheExpand
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