Description

Photosystem I K Subunit is a specific protein component integral to the Photosystem I (PSI) complex, which is essential for the light-dependent reactions of photosynthesis. This subunit plays a critical role in the structural stability and efficient electron transfer within the PSI complex, making it a vital reagent for advanced biochemical and biophysical research. It is primarily utilized by research institutions, biotechnology companies, and academic laboratories focused on plant biology, renewable energy studies, and the fundamental mechanisms of photosynthesis.

Application

• Biochemical Research: Used as a purified component for in vitro studies of Photosystem I assembly, function, and electron transport mechanisms.
• Structural Biology: Essential for X-ray crystallography, cryo-electron microscopy, and other techniques aimed at determining the high-resolution structure of the PSI complex.
• Plant Physiology Studies: Employed to investigate the genetic regulation, biosynthesis, and functional role of specific PSI subunits in model organisms and crops.
• Bio-inspired Energy Systems: Serves as a model system for developing artificial photosynthetic devices and improving solar energy conversion efficiency.
• Enzyme Kinetics: Used in spectroscopic assays to study the kinetics of photochemical reactions and electron transfer chains.
• Educational Purposes: Supplied to university laboratories for advanced teaching and training in molecular plant biology and bioenergetics.

Basic Information

Product Name	Photosystem I K Subunit
CAS No.	125725-17-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	PSI-K Subunit; Photosystem I Subunit K; PsaK Protein; Chloroplast Protein PsaK; Thylakoid Membrane Protein K; Photosystem I 6.5 kDa Polypeptide; LHC I Protein K; Photosynthetic Reaction Center Protein K
EINECS	Contact for details

Quality Control

Our Photosystem I K Subunit is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and high biological activity. Each lot is characterized using advanced analytical techniques to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing purity, activity assays, and absence of contaminants is provided with every shipment to support your research integrity.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below for long-term stability. This product is hygroscopic (moisture-sensitive). Allow the vial to reach ambient temperature before opening to minimize condensation and moisture uptake. For optimal stability, aliquot into single-use quantities to avoid repeated freeze-thaw cycles.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (SDS-PAGE)	Corresponds to standard
Purity (HPLC)	≥ 90%
Protein Content (BCA)	≥ 85%
Biological Activity	Assessed by reconstitution assay
Endotoxin Level	< 1.0 EU/μg
Solubility	Soluble in appropriate aqueous buffers

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