A DNA sequence encoding the rat Ctla4 (NP_113862.1) (Met1-Asp161) was expressed with a polyhistidine tag at the C-terminus.
Alternative Names
CTLA-4
Reconstitution
Please refer to the printed manual for detailed information.
Background
Cytotoxic T-lymphocyte protein 4, also known as CTLA4 and CD152, is a single-pass type I membrane protein and a member of the immunoglobulin superfamily. It is the second member of the CD28 receptor family. The ligands or counterreceptors for these two proteins are the B7 family members, CD80 (B7-1) and CD86 (B7-2). CTLA4 transmits an inhibitory signal to T cells, whereas CD28 transmits a stimulatory signal. Intracellular CTLA4 is also found in regulatory T cells and may play an important role in their functions. CD152 or cytotoxic T lymphocyte antigen-4 (CTLA-4) is an essential receptor involved in the negative regulation of T cell activation. Because of its profound inhibitory role, CD152 has been considered a sound susceptible candidate in autoimmunity and a persuasive target for cancer immunotherapy. In particular, recent evidence suggests that CD152 is also important in the homeostasis and function of a population of suppressive cells, termed regulatory T cells (Treg).Immune CheckpointImmune Checkpoint Detection: Antibodies Immune Checkpoint Detection: ELISA Antibodies Immune Checkpoint Detection: IP Antibodies Immune Checkpoint Detection: WB AntibodiesImmune Checkpoint Proteins CTLA4 / CD152 Immune Checkpoint ProteinsImmune Checkpoint Targets Co-inhibitory Immune Checkpoint Targets Immunotherapy Cancer Immunotherapy Targeted Therapy
Reactivity
Rat
Tag
C-His
Formulation
Lyophilized from sterile PBS, pH 7.4
Host
HEK293 Cells
Accession Number
NP_113862.1
Endotoxin Level
< 1.0 EU per ?g protein as determined by the LAL method.
Mol Weight
15.2 kDa
Mw(kda)
15.2 kDa
Sequence Info
Met1-Asp161
Shipping
This product is provided as lyophilized powder which is shipped with ice packs.
Stotage Note
Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.