Measured by its binding ability in a functional ELISA. Immobilized human PD-L2 at 2 μg/ml (100 μl/well) can bind human PD-1 , the EC50 of human PD-1 is 150-800 ng/mL.

PD-L2 Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 24 kDa and the accession number is Q9BQ51-1.

Human

HEK293 Cells

programmed cell death 1 ligand 2,PD-L2,PDL2,PDCD1L2,CD273,Btdc,bA574F11.2,B7-DC,B7DC

A DNA sequence encoding the extracellular domain (Met 1-Pro 219) of human PD-L2 (NP_079515.2) was expressed with a C-terminal polyhistidine tag. Predicted N terminal: Leu 20

≥ 98 % as determined by SDS-PAGE. ≥ 90 % as determined by SEC-HPLC.

Reconstituted with PBS, pH 7.4 to 0.25 mg/mL. Reconstitution conditions may vary depending on the lot.

It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.

Programmed death ligand 2 (PD-L2), also referred to as B7-DC and CD273, is a member of the B7 family of proteins including B7-1, B7-2, B7-H2, B7-H1 (PD-L1), and B7-H3. PD-L2 is a type I membrane protein and structurally consists of an extracellular region containing one V-like and one C-like Ig domain, a transmembrane region, and a short cytoplasmic domain. PD-L2 is expressed on antigen presenting cells, placental endothelium and medullary thymic epithelial cells, and can be induced by LPS in B cells, INF-γ in monocytes, or LPS plus IFN-γ in dendritic cells. The CD28 and B7 protein families are critical regulators of immune responses. PD-L2 and PD-L1 are two ligands for PD-1, member of the CD28/CTLA4 family expressed on activated lymphoid cells, and thus provide signals for regulating T cell activation and immune tolerance. The interaction of B7-DC/PD-1 exhibited a 2-6-fold higher affinity compared with the interaction of B7-H1/PD-1.Cancer ImmunotherapyCo-inhibitory Immune Checkpoint TargetsImmune CheckpointImmune Checkpoint Detection: AntibodiesImmune Checkpoint Detection: ELISA AntibodiesImmune Checkpoint Detection: FCM AntibodiesImmune Checkpoint Detection: WB AntibodiesImmune Checkpoint ProteinsImmune Checkpoint TargetsImmunotherapyTargeted Therapy