Description

Stellacyanin CAS NO 12738-61-3 is a blue copper protein, a metalloproteinase characterized by its distinctive type 1 copper center, which is responsible for its intense blue color and unique redox properties. This compound serves as a critical model system for studying long-range electron transfer in biological systems, offering insights into the fundamental principles of bioenergetics and catalysis. It is primarily utilized by researchers in biochemistry, biophysics, and bioinorganic chemistry for mechanistic studies, as well as by developers in the fields of biosensors and bio-inspired catalysis.

Application

• Biochemical Research: As a model protein for investigating electron transfer mechanisms, protein folding, and metal-protein interactions.
• Enzymology Studies: Used to study the structure and function of copper-containing oxidases and oxygenases.
• Biosensor Development: Potential component in the design of electrochemical biosensors due to its stable redox activity.
• Bioinorganic Catalyst Model: Serves as a blueprint for developing synthetic catalysts that mimic natural enzymatic processes.
• Spectroscopic Standard: Acts as a reference compound in UV-Vis and EPR spectroscopy for characterizing copper sites.
• Educational Tool: Used in advanced university laboratories to teach concepts of metalloprotein chemistry and spectroscopy.

Basic Information

Item	Detail
Product Name	Stellacyanin
CAS No.	12738-61-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Stellacyanin (Rhus vernicifera); Basic Blue Protein; Plantacyanin; Rhus vernicifera Stellacyanin; Umecyanin; Type 1 Copper Protein; Blue Copper Protein; Electron Transfer Protein
EINECS	Contact for details

Quality Control

Our Stellacyanin is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and purity suitable for research applications. Each lot is accompanied by comprehensive analytical data. Certificates of Analysis (COA) detailing purity, identity, and specific activity are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at -20°C or below. This product is easily oxidized; it is recommended to handle under an inert atmosphere such as argon or nitrogen when possible and to avoid repeated freeze-thaw cycles. Keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	Blue to blue-green lyophilized powder or solution
Identification (UV-Vis)	Characteristic absorption maxima at ~600 nm and ~280 nm
Purity (HPLC)	≥ 90% (Protein basis)
Specific Activity	Contact for details
Protein Content	Determined by Bradford or Lowry assay
Copper Content	~1 mol Cu per mol protein (Typical)
Solubility	Soluble in aqueous buffers (e.g., phosphate, Tris)
Endotoxin Level	< 1.0 EU/mg (if specified for cell culture use)

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