Author: Hiroyuki Satoh

0000000000791214

AUTHOR

Hiroyuki Satoh

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Recombinant water-soluble chlorophyll protein from Brassica oleracea var. Botrys binds various chlorophyll derivatives.

2003

A gene coding for water-soluble chlorophyll-binding protein (WSCP) from Brassica oleracea var. Botrys has been used to express the protein, extended by a hexahistidyl tag, in Escherichia coli. The protein has been refolded in vitro to study its pigment binding behavior. Recombinant WSCP was found to bind two chlorophylls (Chls) per tetrameric protein complex but no carotenoids in accordance with previous observations with the native protein [Satoh, H., Nakayama, K., Okada, M. (1998) J. Biol. Chem. 273, 30568-30575]. WSCP binds Chl a, Chl b, bacteriochlorophyll a, and the Zn derivative of Chl a but not pheophytin a, indicating that the central metal ion in Chl is essential for binding. WSCP …

PheophytinChlorophyllProtein FoldingDNA PlantLightTetrameric proteinPhotochemistryPigment bindingPhotosynthetic Reaction Center Complex ProteinsLight-Harvesting Protein ComplexesProtoporphyrinsmacromolecular substancesBrassicaBiologyBiochemistrychemistry.chemical_compoundPigmentPhytolpolycyclic compoundsChlorophyll bindingChlorophyllidesSinglet OxygenCircular DichroismElectron Spin Resonance Spectroscopyfood and beveragesWaterCarotenoidsRecombinant ProteinsBiochemistrychemistrySolubilitySpectrophotometryChlorophyllvisual_artvisual_art.visual_art_mediumProtein foldingSpin LabelsOxidation-ReductionBiochemistry

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