Identification | Back Directory | [Name]
3-PHOSPHO-D-GLYCERATE CARBOXYLYASE[DIMERIZING] | [CAS]
9027-23-0 | [Synonyms]
rubisco EC 4.1.1.39 ADS-W-GH004 ADS-F-GH004-25 ADS-W-GH004-48 ADS-F-GH004-50 D-RIBULOSE 1,5-DIPHOSPHATE CARBOXYLASE 3-PHOSPHO-D-GLYCERATE CARBOXYLYASE[DIMERIZING] D-ribulose 1,5-diphosphate carboxylase*from spina D-RIBULOSE 1,5-DIPHOSPHATE CARBOXYLASE*F ROM SPINACH Native Spinach D-Ribulose 1,5-Diphosphate Carboxylase | [MDL Number]
MFCD00130908 |
Hazard Information | Back Directory | [Uses]
D-Ribulose 1,5-Diphosphate Carboxylase from spinach has been used:
- as a test protein in pepsin digestion studies
- as an innocuous or non-hazardous protein sample to test its effect on human intestinal epithelial cell lines
- in isothermal titration calorimetry (ITC), and radiolabeled binding assays with abscisic acid
| [General Description]
Exists as a 557?kDa hexadecamer composed of eight heavy chains each with a molecular weight of approximately 56?kDa and eight light chains of molecular weight 14?kDa. Each molecule contains one magnesium ion. pH optimum: ~7.9. KM for CO2: ~0.45 mM. Ribulose diphosphate becomes inhibitory at concentrations exceeding 0.7 mM. Orthophosphate and ammonium sulfate are competitive inhibitors. 3-Phosphoglycerate is a noncompetitive inhibitor. | [Biochem/physiol Actions]
D-Ribulose 1,5-Diphosphate Carboxylase (RUBISCO) depends on Rubisco activase and chaperones for activation. It participates in plant photorespiration events by catalyzing the carboxylation and oxygenation of ribulose-1,5-bisphosphate. Abscisic acid inhibits the carboxylation activity of Rubisco. |
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