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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. The lineage-specific marker for T cells is cytoplasmic CD3, which appears in the earliest T cells as precursors in the thymus. Early T-cell precursors also express CD2 and CD7. During thymic maturation, the T-cell precursor undergoes rearrangements of the T-cell receptor. This process is accompanied by the appearance of other T-cell lineage-associated markers (CD5, CD4, CD8). The majority of the mature T cells are either CD4+ or CD8+. Thymocytes, however, and aberrant neoplastic T cells may coexpress CD4 and CD8 as well as immature T-cell markers TdT and CD1a.
PD-1 Protein, Human (CHO, Fc) suppress activating signals from the T cell receptor when bound by either of its ligands, programmed death-ligand 1 (PD-L1) or PD-L2.
PD-1 Protein, Human (143a.a, HEK293, His) suppress activating signals from the T cell receptor when bound by either of its ligands, programmed death-ligand 1 (PD-L1) or PD-L2.
CD4 Protein is an integrated membrane glycoprotein that plays various roles in immune responses and defending against internal and external attacks. The alpha-helix structure of CD4 Protein and HIV-1 Vpu can be involved in the binding and degradation of CD4 molecules. CD4 Protein participates in the differentiation/activation, cytokine expression, and cell migration in macrophages or NK cells through a TCR/LCK-independent pathway. CD4 Protein can enhance the host's immune response to viral infections and boost anti-tumor immunity. CD4 Protein, Human (365 a.a, HEK293, His) is a recombinant CD4 protein with a His tag, expressed in HEK293. CD4 Protein, Human (365 a.a, HEK293, His) consists of 365 amino acids, with a molecular weight ranging from 49-58 kDa.
The CD38 protein plays a key role in cell signaling, proficiently synthesizing cyclic ADP-ribose (cADPR) as a critical second messenger for glucose-induced insulin secretion. It also promotes the synthesis of the calcium mobilizer niacin-adenine dinucleotide phosphate (NAADP+). CD38 Protein, Human (HEK293, His, solution) is the recombinant human-derived CD38 protein, expressed by HEK293 , with C-6*His labeled tag.
CD40L (CD154; TRAP) is a ligand to CD40/TNFRSF5, acts function by generating a costimulatory signal that up-regulates IL-4 synthesis. CD40L is specifically expressed on activated CD4+ T-lymphocytes and involves in activation of NF-κB/MAPK pathway. CD40L also involves in B cell differentiation, maturation, and apoptosis. CD40L in mouse, cleaved into 2 chains of membrane form (1-260 a.a.) and soluble form (112-260 a.a.) which serves as a ligand for integrins (ITGA5:ITGB1 and ITGAV:ITGB3). CD40L/CD154/TRAP Protein, Mouse (HEK293, His) has a total length of 149 amino acids (M112-L260), is expressed in HEK392 cells with N-terminal 6*His-tag.
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).
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 1-27 peptide Protein, Human (HEK293, mFc) is the recombinant human-derived CD3 epsilon protein, expressed by HEK293 , with C-mFc labeled tag.
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.
RANKL (TNFSF11), a type II transmembrane protein, is a receptor activator of NF-κB (RANK) ligand. RANKL is an activator of RANK. When binding to RANK, it induces the differentiation of monocyte/macrophage-lineage cells into osteoclasts and leads to osteoclast precursor maturation. RANKL is critical for osteoclasts maturation, bone modeling, and bone remodeling, as well as the development of lymph nodes (LNs). RANKL/TNFSF11 Protein, Human (HEK293, Fc) is a recombinant human RANKL (G63-D244) with N-terminal mFc tag, which is produced in HEK293 cell.
CD73/5'-Nucleotidase Protein hydrolyzes nucleotide monophosphates, favoring AMP as the primary substrate and showing a preference for ribonucleotide monophosphates. It releases inorganic phosphate and the corresponding nucleoside. CD73 also acts on other substrates, including IMP, UMP, GMP, CMP, dAMP, dCMP, dTMP, NAD, and NMN. CD73/5'-Nucleotidase Protein, Human (HEK293, His) is the recombinant human-derived CD73/5'-Nucleotidase protein, expressed by HEK293 , with C-6*His labeled tag.
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.
Programmed cell death protein 1; hPD-1; PDCD1; CD279
Human
HEK293
PD-1 protein is an inhibitory receptor on T cells that maintains immune tolerance by binding to CD274/PDCD1L1 and CD273/PDCD1LG2. It blocks T cell activation by binding to CD3-TCR and recruiting PTPN11/SHP-2 to dephosphorylate key signaling molecules. PD-1 Protein, Human (HEK293, mFc) is the recombinant human-derived PD-1 protein, expressed by HEK293 , with C-mFc labeled tag.
CD40L (CD154; TRAP) is a ligand to CD40/TNFRSF5, acts function by generating a costimulatory signal that up-regulates IL-4 synthesis. CD40L is specifically expressed on activated CD4+ T-lymphocytes and involves in activation of NF-κB/MAPK pathway. CD40L also involves in B cell differentiation, maturation, and apoptosis. CD40L in human, cleaved into 2 chains of membrane form (1-261 a.a.) and soluble form (113-261 a.a.) which serves as a ligand for integrins (ITGA5:ITGB1 and ITGAV:ITGB3). CD40L/CD154/TRAP Protein, Human (HEK293) has a total length of 149 amino acids (M113-L261), is expressed in HEK293 cells with tag free.
The CD80 protein plays a key role in T lymphocyte activation, promoting proliferation and cytokine production through CD28 binding. In contrast, interaction with CTLA-4 inhibits T cell activation. B7-1/CD80 Protein, Human (HEK293, His) is the recombinant human-derived B7-1/CD80 protein, expressed by HEK293 , with C-6*His labeled tag.
The CTLA-4 protein is a key inhibitory receptor and a major negative regulator of T cell responses in coordination of immune regulation. Its unique property is its significantly increased affinity for B7 ligands (CD80/CD86) compared with CD28. CTLA-4 Protein, Human (HEK293, His) is the recombinant human-derived CTLA-4 protein, expressed by HEK293 , with C-6*His labeled tag.
CTLA-4 is a key inhibitory receptor that serves as a major negative regulator of T cell responses in immune regulation. Its unique property is that its affinity to B7 ligands (CD80/CD86) is significantly higher than that of CD28. CTLA-4 Protein, Mouse (HEK293, Fc) is the recombinant mouse-derived CTLA-4 protein, expressed by HEK293 , with C-hFc labeled tag.
Programmed cell death protein 1; hPD-1; PDCD1; CD279
Human
HEK293
PD-1 protein is an inhibitory receptor on T cells that maintains immune tolerance by binding to CD274/PDCD1L1 and CD273/PDCD1LG2. It blocks T cell activation by binding to CD3-TCR and recruiting PTPN11/SHP-2 to dephosphorylate key signaling molecules. PD-1 Protein, Human (147a.a, HEK293, His) is the recombinant human-derived PD-1 protein, expressed by HEK293 , with C-6*His labeled tag.
Programmed cell death protein 1; PDCD1; PD-1; hPD-1; CD279
Human
HEK293
PD-1 protein is an inhibitory receptor on T cells that maintains immune tolerance by binding to CD274/PDCD1L1 and CD273/PDCD1LG2. It blocks T cell activation by binding to CD3-TCR and recruiting PTPN11/SHP-2 to dephosphorylate key signaling molecules. PD-1 Protein, Human (C93S, HEK293, His) is the recombinant human-derived PD-1 protein, expressed by HEK293 , with C-6*His labeled tag and C93S mutation.
Ctla4; Cd152; Cytotoxic T-lymphocyte protein 4; Cytotoxic T-lymphocyte-associated antigen 4; CTLA-4; CD antigen CD152
Mouse
HEK293
CTLA-4 Protein, Mouse (HEK293, His) is a recombinant CTLA-4 protein with a His-flag. CTLA-4 Protein is a single-pass type I membrane protein and belongs to the CD28 receptor family. CTLA-4 is a negative immune regulator constitutively expressed on Treg cells.
