Overview
3-Phosphoglycerate (3-PGA) is a critical metabolic intermediate in both glycolysis and the Calvin cycle. It is formed during the breakdown of glucose in glycolysis and serves as a precursor for the synthesis of other biomolecules in photosynthetic organisms. Its role in cellular energy production and carbon fixation makes it a subject of extensive biochemical research. In industrial and research settings, 3-PGA is commonly used to study enzyme kinetics, metabolic pathways, and cellular respiration. High-purity grades are essential for accurate experimental results, particularly in pharmaceutical and biotechnological applications.
Physical and Chemical Properties
3-Phosphoglycerate is a white to off-white crystalline powder with a molecular weight of 186.06 g/mol. It is highly soluble in water, making it suitable for aqueous-based biochemical assays. The compound is stable under recommended storage conditions but may degrade if exposed to moisture or extreme temperatures. Its chemical structure includes a phosphate group attached to the third carbon of glycerate, which is pivotal for its reactivity in metabolic pathways. The purity of 3-PGA is typically measured via HPLC or enzymatic assays, with research-grade products often exceeding 95% purity.
Main Applications
3-PGA is primarily used in biochemical research to investigate metabolic processes such as glycolysis, gluconeogenesis, and the Calvin cycle. It serves as a substrate for enzymes like phosphoglycerate kinase and phosphoglycerate mutase, enabling studies on energy metabolism and enzyme mechanisms. In biotechnology, 3-PGA is employed in the production of high-value compounds, including amino acids and nucleotides. Its role in photosynthesis also makes it relevant for agricultural research, particularly in understanding plant productivity and stress responses.
Safety and Storage
While 3-Phosphoglycerate is not highly toxic, proper handling precautions are necessary. Use gloves and protective eyewear to avoid skin or eye contact. In case of exposure, rinse thoroughly with water and seek medical advice if irritation persists. Storage at -20°C in a tightly sealed container is recommended to maintain stability. Avoid prolonged exposure to air or moisture, as this may lead to degradation. Label containers clearly and keep them away from incompatible substances.
B2B Procurement Guide
When sourcing 3-Phosphoglycerate, prioritize suppliers with a proven track record in biochemical reagents. Verify certificates of analysis (CoA) to ensure purity (≥95%) and absence of contaminants. Bulk purchases may offer cost savings, but ensure proper storage facilities are available. Consider logistics, such as cold chain shipping for international orders, to prevent degradation. Establish long-term relationships with reputable suppliers to ensure consistent quality and reliable delivery schedules for ongoing research needs.
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