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The cluster of differentiation (CD) antigens a protocol used for the identification and investigation of cell surface molecules present on leukocytes. Some CD proteins often act as cell-cell or cell-matrix adhesion molecules, cytokine receptors, ion pores, or nutrient transporters. CD proteins play a variety of roles in immune system function. Natural killer (NK) cells are innate immune cells that show spontaneous cytolytic activity against cells under stress such as tumor cells and virus-infected cells. They are distinguished by their unique functions and expression of surface antigens. NK cells lack the clonotypic T cell receptor (TCR) of T and NKT cells and its associated signal-transducing adaptor, CD3ε. In humans, subsets of NK cells express the activating Fc receptor, CD16 and most express CD56 [neural cell adhesion molecule (NCAM) or Leu-19] . In C57BL/6 mice, NK cells are identified by the presence of NK1.1 (NKR-P1C) and NCR1 (NKp46/CD335), as well as CD49b (DX5, Integrin VLA-2α), are common NK cell markers in other mouse backgrounds.
rHuIL-2R α/CD25, Fc Chimera; TAC antigen; IL-2-RA; IL-2 R alpha; IL-2Rα; IL2RA
Human
HEK293
IL-2R alpha (CD25) is an essential component of high-affinity IL-2 receptors. IL-2R alpha enhances binding of IL-2 to its receptor complex so that regulates T cell growth and other lymphoid functions. IL-2R alpha/CD25 Protein, Human (HEK293, Fc) is a recombinant human IL-2R alpha protein with an hFc tag at the C-terminus and is expressed in HEK293 cells. It consists of 192 amino acids (E22-C213).
Poliovirus Receptor; Nectin-Like Protein 5; NECL-5; CD155; PVR; PVS
Human
HEK293
PVR/CD155 Protein, Human (HEK293, His) is a recombinant Human PVR expressed in HEK 293 cells with a His tag at the N-terminus. PVR, Human plays a role in cancer cell invasion and migration.
CD3 epsilon is an important component of the TCR-CD3 complex on T lymphocytes and promotes TCR-mediated signaling. When APC activates the TCR, CD3 epsilon, together with CD3D, CD3G, and CD3Z, transmits signals across the cell membrane through ITAMs. CD3 epsilon Protein, Human (27a.a, HEK293, Fc) is the recombinant human-derived CD3 epsilon protein, expressed by HEK293 , with C-mFc labeled tag. The total length of CD3 epsilon Protein, Human (27a.a, HEK293, Fc) is 27 a.a., with molecular weight of 32-40 kDa.
Fas receptor is a cell surface death receptor, can bind to Fas ligand to form death-inducing signaling complexes, such as Fas associated death domain proteins (FADD). Fas receptor participates in the caspase cascade and regulate the activation of JNK and p38-K downstream. It is also involved in the signaling cascade of ERK/JNK MAPKs, activating MAPK3/ERK1, MAPK8/JNK and NF-κB, which has been implicated in the pathogenesis of various malignant tumors and immune system diseases. Human Fas receptor contain a death domain (230-314 a.a.) that plays a key role in regulating programmed death. Fas/CD95 Protein, Human (HEK293) has a full length of 157 amino acids (Q26-S172), produced in HEK293 cells with tag free.
B-lymphocyte activation marker BLAST-1 BCM1 surface antigen; Leukocyte antigen MEM-102; SLAM family member 2; SLAMF2; Signaling lymphocytic activation molecule 2; TCT.1; CD48; BCM1; BLAST1;
Human
HEK293
SLAMF2/CD48 protein is a GPI-anchored glycoprotein that regulates immune cell function by interacting with CD2 and CD244. SLAMF2/CD48 Protein, Human (HEK293, hFc) is the recombinant human-derived SLAMF2/CD48 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of SLAMF2/CD48 Protein, Human (HEK293, hFc) is 194 a.a., with molecular weight of ~66 kDa.
CD3 epsilon is an important component of the TCR-CD3 complex on T lymphocytes and promotes TCR-mediated signaling. When APC activates the TCR, CD3 epsilon, together with CD3D, CD3G, and CD3Z, transmits signals across the cell membrane through ITAMs. CD3 epsilon Protein, Human (HEK293, His) is the recombinant human-derived CD3 epsilon protein, expressed by HEK293 , with C-6*His labeled tag. The total length of CD3 epsilon Protein, Human (HEK293, His) is 104 a.a., with molecular weight of ~18.0 kDa.
Lymphocyte activation gene 3 protein; LAG3; LAG-3; Protein FDC; CD223
Human
HEK293
LAG-3 (lymphocyte activating gene 3) protein is an inhibitory receptor on antigen-activated T cells and is critical for immune regulation. LAG-3 binds to FGL1 and transmits inhibitory signals that negatively affect CD8(+) and CD4(+) T cell proliferation, activation, and effector functions. LAG-3 Protein, Human (HEK293, Fc) is the recombinant human-derived LAG-3 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of LAG-3 Protein, Human (HEK293, Fc) is 428 a.a., with molecular weight of 70-90 kDa.
IL-2R alpha (CD25) is an essential component of high-affinity IL-2 receptors. IL-2R alpha enhances binding of IL-2 to its receptor complex so that regulates T cell growth and other lymphoid functions. IL-2R alpha/CD25 Protein, Human (HEK293, N-His) is a recombinant human IL-2R alpha protein with a His tag at the N-terminus and is expressed in HEK293 cells. It consists of 192 amino acids (E22-C213).
The CD28 protein is critical for T cell activation, enhancing proliferation, cytokine production, and survival. When linked to TCR/CD3 and CD40L, CD28 promotes the production of IL4 and IL10, thereby regulating immune responses. CD28 Protein, Human/Cynomolgus/Rhesus Macaque (Biotinylated, HEK293, Fc-Avi) is the recombinant human, cynomolgus-derived CD28 protein, expressed by HEK293 , with C-Avi, C-hFc labeled tag.
CD3 epsilon, a crucial part of the TCR-CD3 complex on T-lymphocytes, facilitates TCR-mediated signal transmission. When APCs activate TCR, CD3 epsilon, with CD3D, CD3G, and CD3Z, relays signals across the cell membrane via ITAMs. LCK and FYN phosphorylate CD3 epsilon upon TCR engagement, initiating downstream signaling. Essential for T-cell development, CD3 epsilon forms heterodimers, initiating TCR-CD3 complex assembly. It's vital for TCR-CD3 complex internalization and down-regulation, interacting with CD6, NCK1, and NUMB, underscoring its pivotal role in T-cell processes. CD3E-CD3G Heterodimer Protein, Human (HEK293, Fc-Flag & mFc) is a recombinant protein dimer complex containing human-derived CD3E-CD3G Heterodimer protein, expressed by HEK293, with C-hFc, C-Flag, C-mFc labeled tag. CD3E-CD3G Heterodimer Protein, Human (HEK293, Fc-Flag & mFc), has molecular weight of 42-47 kDa.
Nectin-2/CD112 protein has dual roles in T-cell signaling: as a costimulator with CD226, promoting proliferation and cytokine production, and as a coinhibitor with PVRIG, inhibiting proliferation. It also acts as a cell adhesion protein and a receptor for certain viruses. Nectin-2/CD112 Protein, Human (HEK293) is the recombinant human-derived Nectin-2/CD112 protein, expressed by HEK293 , with tag free. The total length of Nectin-2/CD112 Protein, Human (HEK293) is 329 a.a., with molecular weight of 45-55 kDa.
CD314; KLRK1; NKG2-D type II integral membrane protein; NKG2D
Human
Sf9 insect cells
The NKG2D/CD314 protein serves as a key activating and costimulatory receptor in immune surveillance, binding to multiple stress-inducing ligands on tumor and virus-infected cells. It plays a dual role by stimulating NK cells and enhancing T cell activation in CD8(+) T cell-mediated adaptive responses. NKG2D/CD314 Protein, Human (sf9, His) is the recombinant human-derived NKG2D/CD314 protein, expressed by Sf9 insect cells , with N-His labeled tag. The total length of NKG2D/CD314 Protein, Human (sf9, His) is 139 a.a., with molecular weight of ~22.6 kDa.
Low affinity immunoglobulin gamma Fc region receptor III-A; FcRIIIa; FcR-10; CD16a; FCGR3A; IGFR3
Human
HEK293
Fc gamma RIIIA/CD16a protein is a receptor for the Fc fragment of IgG and activates antibody-dependent cellular cytotoxicity (ADCC) upon binding to antigen-IgG complexes. It mediates IgG effector functions on NK cells, generating memory-like adaptive NK cells to efficiently eliminate virally infected cells. Fc gamma RIIIA/CD16a Protein, Human (F176V, HEK293, His) is the recombinant human-derived Fc gamma RIIIA/CD16a protein, expressed by HEK293 , with C-His labeled tag and F176V, , , , mutation. The total length of Fc gamma RIIIA/CD16a Protein, Human (F176V, HEK293, His) is 192 a.a., with molecular weight of ~44.2 kDa.
Poliovirus receptor; Nectin-like protein 5; NECL-5; CD155; PVR; PVS
Human
HEK293
The PVR/CD155 protein plays a key role in initiating natural killer (NK) cell effector functions by binding to CD96 and CD226 receptors. These interactions form mature immune synapses that trigger adhesion, lytic granule secretion, interferon-γ (IFN-γ), and cytotoxicity of activated NK cells. PVR/CD155 Protein, Human (HEK293) is the recombinant human-derived PVR/CD155 protein, expressed by HEK293 , with tag free.
IL-18R alpha (interleukin-18 receptor alpha) is an interleukin receptor of the immunoglobulin superfamily. IL-18 forms a signalling complex with the IL-18 receptor α (Rα) and β (Rβ) chains at the plasma membrane, which induces multiple inflammatory cytokines. IL-18R complex recruits the IL-1R- activating kinase and TNF- associated factor 6, which phosphorylates nuclear factor kβ- inducing kinase, with subsequent activation of nuclear factor kβ. IL-18R alpha inhibits the production of IFN-γ stimulated with the combination of rhIL-2 and rhIL-18. IL-18R alpha Protein, Human (HEK293, His-Avi) is a recombinant protein with a His-Avi label that consists of 311 amino acids (A19-R329) and is produced by HEK293 cells.
IL-21R protein, a receptor for interleukin-21, forms a heterodimer with the common gamma subunit and associates with Janus kinase 1 (JAK1). These interactions are pivotal for transducing the cellular responses initiated by interleukin-21, regulating immune processes and inflammatory pathways. IL-21R Protein, Human (HEK293, Fc) is the recombinant human-derived IL-21R protein, expressed by HEK293 , with C-hFc labeled tag.
rHuCD107a, C-Fc; Lysosome-Associated Membrane Glycoprotein 1; LAMP-1; Lysosome-Associated Membrane Protein 1; CD107 Antigen-Like Family Member A; CD107a; LAMP1
Human
HEK293
LAMP1/CD107a Protein, Human (HEK293, Fc) is a recombinant human CD107a expressed in HEK 293 cells with a C-Fc tag at the C-terminus. LAMP1/CD107a Protein can be used as a functional marker for the identification of natural killer cell activity.
CD112 Protein, Human (HEK293, His) is a recombinant human CD112 expressed in HEK 293 cells with a His tag at the N-terminus. Recombinant Human CD112 can be used as cell surface ligands for the human DNAM-1 (CD226) activating molecule.
The LILRB1/CD85j/ILT2 protein is a receptor for class I MHC antigens and recognizes multiple HLA alleles and H301/UL18 (human cytomegalovirus MHC homolog). Ligand binding induces inhibitory signals that downregulate immune responses. LILRB1/CD85j/ILT2 Protein (Domain1&2), Human (HEK293, His) is the recombinant human-derived LILRB1/CD85j/ILT2 protein, expressed by HEK293 , with C-His labeled tag.
The LILRB1/CD85j/ILT2 protein is a receptor for class I MHC antigens and recognizes multiple HLA alleles and H301/UL18 (human cytomegalovirus MHC homolog). Ligand binding induces inhibitory signals that downregulate immune responses. LILRB1/CD85j/ILT2 Protein, Human (HEK293, mFc) is the recombinant human-derived LILRB1/CD85j/ILT2 protein, expressed by HEK293 , with C-mFc labeled tag.
