Description

Trypsin Inhibitor 2A, Kunitz Winged-Bean Seed is a specific, high-purity protease inhibitor derived from the winged bean (*Psophocarpus tetragonolobus*). This compound is critical for biochemical research and industrial processes where precise control of trypsin and related serine protease activity is required. It is primarily utilized by researchers in life sciences, pharmaceutical development, and biotechnology for applications ranging from enzyme kinetics studies to cell culture and protein purification workflows.

Application

• Biochemical Research & Enzyme Kinetics: Used as a specific inhibitor to study the function and mechanism of trypsin and related serine proteases in vitro.
• Cell Culture & Tissue Engineering: Added to serum-free media or digestion buffers to prevent unwanted proteolytic degradation of cells and sensitive proteins.
• Protein Purification & Stabilization: Employed in purification protocols to protect target proteins from proteolysis during extraction and chromatography steps.
• Pharmaceutical Development: Serves as a reference standard and tool compound in drug discovery programs targeting protease pathways.
• Diagnostic Reagent Formulation: Incorporated into diagnostic kits and assay buffers to ensure specificity and stability by inhibiting background protease activity.
• Food Science Research: Studied for its functional properties and potential applications in managing protein digestion or as a natural bioactive compound.

Basic Information

Product Name	Trypsin Inhibitor 2A, Kunitz Winged-Bean Seed
CAS No.	138392-21-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Winged Bean Trypsin Inhibitor; Kunitz-type trypsin inhibitor from Psophocarpus tetragonolobus; Trypsin Inhibitor 2A (Winged Bean); Psophocarpus tetragonolobus Bowman-Birk inhibitor homolog; Protease Inhibitor 2A; TI-2A; WBTI.
EINECS	Contact for details

Quality Control

Our Trypsin Inhibitor 2A is produced and tested under stringent quality management protocols to ensure batch-to-batch consistency and high biological activity. Each lot is characterized for purity and inhibitory potency. A comprehensive Certificate of Analysis (COA), detailing specifications and test results, is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C. This product is hygroscopic (moisture-sensitive). For long-term storage, desiccate at -20°C.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Specific Activity	Contact for details
Protein Content (Biuret)	≥ 90%
Solubility	Soluble in water or buffer
Loss on Drying	≤ 5.0%

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