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CTLA4 (CTLA-4) Recombinant Human Protein, hIgG1-Fc.His Tag

Cytotoxic T-lymphocyte-associated protein 4 (CTLA4), recombinant human protein is supplied as a lyophilized powder.

This recombinant protein was expressed from a DNA sequence encoding the human CTLA4 (NP_005205.2) extracellular domain (Met 1-Phe 162) fused to the C-terminal polyhistidine-tagged Fc region of human IgG1 at the C-terminus.

Activity: This recombinant protein has not been tested.

Formulation: 140 mM NaCl, 2.7 mM KCl, 10 mM Na2HPO4, 1.8 mM KH2PO4, pH7.4, 5% Mannitol, 5% Trehalose, 0.02% Tween80.

Reconstitution: Dissolve the protein in sterile double distilled water to a concentration of 0.2 mg/ml or lower. It is recommended that the protein be aliquoted and be used as soon as possible. Store aliquots under sterile conditions at -20°C. Avoid repeated freeze-thaw cycles.

Expiration Date: Expires one year from date of receipt when stored as instructed.



This protein is manufactured by SINO Biological.

CTLA4 Recombinant Mouse Protein, His Tag

Cytotoxic T-Lymphocyte-Associated 4 (CTLA4), recombinant mouse protein is supplied as a lyophilized powder. It is suitable for use in analysis of protein structure. In general, recombinant proteins can also be used as an immunogen, as a protein standard, or in cell biology research applications.

This recombinant protein was expressed from a DNA sequence encoding the extracellular domain of mouse CTLA4 (NP_033973.2) (Met 1-Phe 162) fused to a polyhistidine tag at the C-terminus.

Activity: Measured by its binding ability in a functional ELISA.
1. Immobilized recombinant mouse CTLA4-His (Cat:50503-M08H) at 10 µg/ml (100 µl/well) can mouse CD80-Fc (cat:50446-M02H) with a linear range of 0.78-62.5 ng/ml.
2. Immobilized recombinant mouse CTLA4-His (Cat:50503-M08H) at 10 µg/ml (100 µl/well) can human B7-1-Fc (Cat:10698-H03H) with a linear range of 0.78-125 ng/ml..

Formulation: Lyophilized in PBS, pH 7.4, 5% Mannitol, 5% Trehalose, 0.02% Tween 80.

Reconstitution: Dissolve the protein in sterile double distilled water to a concentration of 0.2 mg/ml or lower. It is recommended that the protein be aliquoted and be used as soon as possible. Store aliquots under sterile conditions at -20°C. Avoid repeated freeze-thaw cycles.

This protein is manufactured by Sino Biological Inc.