Recombinant Human CTLA-4 Protein

Recombinant Human Cytotoxic T-lymphocyte Protein 4 is produced by our Mammalian expression system and the target gene encoding Lys36-Asp161 is expressed with a human IgG1 Fc tag at the C-terminus.

Product Specifications

Product Name Alternative

Cytotoxic T-lymphocyte protein 4; Cytotoxic T-lymphocyte-associated antigen 4; CTLA4; CD152

UniProt

P16410

Expression Region

Lys36-Asp161

Conjugation

Unconjugated

Tag

C-Fc

Origin

Human

Field of Research

Immunology & Inflammation

Endotoxin

< 1 EU/μg as determined by LAL test.

Purity

SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE.

Bioactivity

BLI: Loaded Human CTLA-4-Fc (Cat#orb2994544) on Protein A Biosensor, can bind Human B7-1-His (Cat#orb2994419) with an affinity constant of 0.35 uM as determined in BLI assay. (Regularly tested)

Form

Lyophilized

Molecular Weight

Predicted: 39.6 KDa. Observed: 58 KDa, reducing conditions

Storage Conditions

Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.