Description

Chlorophyll A Apoprotein, Photosystem II is a highly specialized protein-pigment complex integral to the light-dependent reactions of photosynthesis. This compound is essential for research and development focused on understanding and replicating the fundamental mechanisms of solar energy conversion. It is a critical material for scientists and engineers in the fields of biophysics, renewable energy, and agricultural biotechnology.

Application

• Fundamental Biophysical Research: Study of electron transfer mechanisms, water oxidation (oxygen-evolving complex), and energy transduction within Photosystem II.
• Renewable Energy Development: Serving as a model system for the design of bio-inspired artificial photosynthetic devices and catalysts for solar fuel production.
• Agricultural Biotechnology: Investigation of herbicide mode of action, plant stress responses, and genetic engineering to enhance photosynthetic efficiency in crops.
• Biochemical Reagent: Used as a standard or substrate in enzymatic assays and for the purification and reconstitution of photosynthetic membrane complexes.
• Educational & Diagnostic Tools: Component in advanced laboratory kits for teaching photosynthesis and in specialized diagnostic assays.

Basic Information

Product Name	Chlorophyll A Apoprotein, Photosystem II
CAS No.	128635-08-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	PSII Reaction Center D1/D2/Cytochrome b559 Complex; Photosystem II Core Complex; P680 Apoprotein; Chlorophyll-a Protein Complex of PSII; D1-D2-cytochrome b-559 Complex; Water-Plastoquinone Oxidoreductase Apoprotein; CP47-CP43 Reaction Center Complex
EINECS	Contact for details

Quality Control

Our Chlorophyll A Apoprotein, Photosystem II is produced and handled under stringent conditions to ensure biological activity and batch-to-batch consistency. Each lot is characterized for purity and functional integrity. A comprehensive Certificate of Analysis (COA) detailing spectroscopic properties, protein content, and activity assays is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at -20°C or below in a non-frost-free freezer. The product is hygroscopic (moisture-sensitive). Avoid repeated freeze-thaw cycles. Handle under inert atmosphere or in a controlled environment if specified for the specific preparation.

Specification

Item	Specification
Appearance	Dark green to brown lyophilized powder or suspension
Identification (UV-Vis Spectroscopy)	Characteristic absorption maxima for Chlorophyll a and pheophytin
Protein Content (Bradford/Lowry)	≥ 90% of total mass
Purity (SDS-PAGE)	Major bands corresponding to D1, D2, CP47, CP43, and cytochrome b559 subunits
Activity (Oxygen Evolution/Electron Transfer)	Contact for details
Solubility	Soluble in specified detergent buffers

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.