Results 201 to 210 of about 5,677 (228)

In-cell structure and variability of pyrenoid Rubisco. [PDF]

open access: yesNat Commun
Elad N   +5 more
europepmc   +1 more source

Structure ofArabidopsis thalianaRubisco activase

Acta Crystallographica Section D Biological Crystallography, 2015
The CO2-fixing enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) is inactivated by the formation of dead-end complexes with inhibitory sugar phosphates. In plants and green algae, the ATP-dependent motor protein Rubisco activase restores catalytic competence by facilitating conformational changes in Rubisco that promote the release of ...
Dirk Hasse   +2 more
openaire   +2 more sources

Biophysical characterization of higher plant Rubisco activase

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics, 2013
Rubisco activase (Rca) is a chaperone-like protein of the AAA+ family, which uses mechano-chemical energy derived from ATP hydrolysis to release tightly bound inhibitors from the active site of the primary carbon fixing enzyme ribulose 1,5-bisphosphate oxygenase/carboxylase (Rubisco).
J Nathan, Henderson   +4 more
openaire   +2 more sources

Rubisco Activase Activity Assays

2010
Ribulose-1,5-bisphosphate (RuBP) carboxylase/oxygenase (Rubisco) activase functions as a mechano-chemical motor protein using the energy from ATP hydrolysis to contort the structure of its target protein, Rubisco. This action modulates the activation state of Rubisco by removing tightly-bound inhibitory sugar-phosphates from Rubisco's catalytic sites ...
Barta, Csengele   +2 more
openaire   +2 more sources

Adenosine triphosphate hydrolysis by purified rubisco activase

Archives of Biochemistry and Biophysics, 1989
Activation of ribulose bisphosphate carboxylase/oxygenase (rubisco) in vivo is mediated by a specific protein, rubisco activase. In vitro, activation of rubisco by rubisco activase is dependent on ATP and is inhibited by ADP. Purified rubisco activase hydrolyzed ATP with a specific activity of 1.5 mumol min-1 mg-1 protein, releasing approximately ...
S P, Robinson, A R, Portis
openaire   +2 more sources

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