Thermo Scientific™

SulfoLink™ Immobilization Trial Kit, 2 mL

Catalog number:  20325

Related applications:

Protein Purification & Isolation

Back to top


Thermo Scientific SulfoLink Immobilization Kit for Proteins, 2 mL is a kit containing all the reagents for preparing the protein sample for efficient immobilization and five columns containing 2 mL of SulfoLink Resin that can be used in either gravity-flow or centrifuge format for efficient coupling reactions and multiple cycles of affinity purification.

Features of SulfoLink Immobilization Kit for Proteins, 2 mL:

Specific to sulfhydryl (-SH) groups—iodoacetyl groups react specifically with sulhydryls to form irreversible thioether bonds
Fast—spin columns increase protocol speed; prepare and couple protein samples in 3.5 hours
Flexible coupling conditions—use pH 7.5 to 9.0 aqueous buffers, organic solvent (e.g., 20% DMSO) or denaturant (guanidine·HCl), as needed for protein or peptide solubility during coupling reaction
Easy-to-follow instructions—streamlined protocols for sample preparation, immobilization, and affinity purification
High capacity—Immobilize 2 to 20 mg of protein per 2 mL column of SulfoLink Coupling Resin

• Immobilize peptides having terminal cysteine residues to purify antibodies that were generated against peptide immunogens prepared by maleimide conjugation
• Immobilize antibodies in oriented manner through hinge-region sulfhydryls to ensure that antigen binding sites are not sterically hindered for antigen affinity purification

When incubated with a solution of protein that contains reduced cysteine residues, the iodoacetyl groups of SulfoLink Resin react specifically and efficiently with the exposed sulfhydryls (-SH) to form covalent and irreversible thioether bonds that permanently attach the protein to the resin. The result is a custom-made affinity resin for purification of antibodies, antigens and other molecules of interest.

Related Products
SulfoLink™ Coupling Resin
SulfoLink™ Immobilization Kit for Peptides, 2 mL
SulfoLink™ Immobilization Trial Kit, 2 mL
For Research Use Only. Not for use in diagnostic procedures.


Column Type: Agarose Resin, Affinity
Product Line: SulfoLink™
Format: 15 mL conical, Kit, Spin Column
Stationary Phase: Haloacetyl
Quantity: 1 column kit
Sufficient For: Immobilizing 1 to 20mg of peptide or protein per column

Contents & storage

Sufficient For: Immobilizing 1 mg of peptide or 10 mg protein per column
• SulfoLink Column, 2 mL, 1 column
• SulfoLink Preparation Buffer, 7.5 mL
• SulfoLink Coupling Buffer, 120 mL
• Wash Solution, 25 mL
• PBS Pack (makes 500 mL), 1 pack
• 2-Mercaptoethylamine·HCl, 6 mg
• Bond-Breaker TCEP Solution, Neutral pH, 0.5 mL
• L-Cysteine·HCl, 100 mg
• Zeba Spin Desalting Column, 5 mL, 1 column
• Column Accessories

Upon receipt, store components at 4°C protected from light.