2. Recombinant Proteins
  3. CAR-T Related Proteins CD Antigens
  4. B Cell CD Proteins Stem Cell CD Proteins Dendritic Cell CD Proteins
  5. CD19

CD19

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Cat. No. Product Name / Synonyms Species Source
  • HY-P74330
    CD19 Protein, Human (HEK293, His)

    B-lymphocyte antigen CD19; CD19; B-lymphocyte surface antigen B4

    		Human HEK293
    The CD19 protein is a B cell antigen receptor coreceptor that enhances downstream signaling pathways, lowers the activation threshold, and helps B cells respond to antigens. It activates phosphatidylinositol 3-kinase and mobilizes intracellular Ca(2+). CD19 Protein, Human (HEK293, His) is the recombinant human-derived CD19 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD19 Protein, Human (HEK293, His) is 291 a.a., with molecular weight of ~47 kDa.
  • HY-P78917
    CD19 Protein, Human (Biotinylated, Fc)

    CD19; B4; CVID3; MGC12802

    		Human HEK293
    The CD19 protein is a B cell antigen receptor coreceptor that enhances downstream signaling pathways, lowers the activation threshold, and helps B cells respond to antigens. It activates phosphatidylinositol 3-kinase and mobilizes intracellular Ca(2+). CD19 Protein, Human (Biotinylated, Fc) is the recombinant human-derived CD19 protein, expressed by HEK293 , with C-Avi, C-hFc labeled tag. The total length of CD19 Protein, Human (Biotinylated, Fc) is 272 a.a., with molecular weight of 60-90 kDa.
  • HY-P70505
    CD19 Protein, Human (HEK293, Fc)

    B-Lymphocyte Antigen CD19; B-Lymphocyte Surface Antigen B4; Differentiation Antigen CD19; T-Cell Surface Antigen Leu-12; CD19

    		Human HEK293
    The CD19 protein is a B cell antigen receptor coreceptor that enhances downstream signaling pathways, lowers the activation threshold, and helps B cells respond to antigens. It activates phosphatidylinositol 3-kinase and mobilizes intracellular Ca(2+). CD19 Protein, Human (HEK293, Fc) is the recombinant human-derived CD19 protein, expressed by HEK293 , with C-hFc labeled tag. The total length of CD19 Protein, Human (HEK293, Fc) is 272 a.a., with molecular weight of ~85.0 kDa.
  • HY-P7333
    CD19 Protein, Human (CHO, Fc)

    rHuCD19, Fc Chimera; B-lymphocyte surface antigen B4; T-cell surface antigen Leu-12

    		Human CHO
    CD19 Protein, Human (CHO, Fc) is a polypeptide chain with the C-terminal human IgG1 Fc fragment produced in CHO cells. CD19 is a biomarker for normal and neoplastic B cells.
  • HY-P74328
    CD19 Protein, Mouse (HEK293, His)

    B-lymphocyte antigen CD19; CD19; B-lymphocyte surface antigen B4

    		Mouse HEK293
    The CD19 protein acts as a coreceptor for B cell antigen receptors, lowering the signaling threshold and initiating B cell responses to antigens. It activates a cascade leading to PI3K activation and Ca(2+) mobilization. CD19 Protein, Mouse (HEK293, His) is the recombinant mouse-derived CD19 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD19 Protein, Mouse (HEK293, His) is 271 a.a., with molecular weight of ~51 kDa.
  • HY-P75439
    CD19 Protein, Cynomolgus/Rhesus Macaque (HEK293, His)

    B-lymphocyte antigen CD19; CD19; B-lymphocyte surface antigen B4

    		Rhesus Macaque; Cynomolgus HEK293
    CD19 is a signaling component of the B-cell receptor complex that lowers the threshold for antigen-driven activation. CD19 Protein, Cynomolgus/Rhesus Macaque (HEK293, His) is the recombinant Rhesus Macaque, cynomolgus-derived CD19 protein, expressed by HEK293 , with C-His labeled tag.
  • HY-P701243
    CD19 Protein, Human (FITC, HEK293, His)

    B-lymphocyte antigen CD19; CD19; B-lymphocyte surface antigen B4

    		Human HEK293
    CD19 Protein, a B-cell antigen receptor coreceptor, enhances downstream signaling pathways, lowers activation threshold, and aids B-cell responses to antigens. It activates phosphatidylinositol 3-kinase and mobilizes intracellular Ca(2+). CD19 is essential for B-1 cell differentiation and influences B cell proliferation, immunoglobulin levels, and high-affinity antibody production. It complexes with CD21, CD81, and CD225, interacts with CD81 for receptor trafficking, and binds to VAV, GRB2, SOS, PLCG2, LYN, and p85 subunit of phosphatidylinositol 3-kinase when phosphorylated. CD19 Protein, Human (FITC, HEK293, His) is the recombinant human-derived CD19 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD19 Protein, Human (FITC, HEK293, His) is 272 a.a., with molecular weight of 68-72 kDa.
  • HY-P76857
    CD19 Protein, Cynomolgus/Rhesus Macaque (Biotinylated, HEK293, His)

    B-lymphocyte antigen CD19; CD19; B-lymphocyte surface antigen B4

    		Rhesus Macaque HEK293
    CD19 is a signaling component of the B-cell receptor complex that lowers the threshold for antigen-driven activation. CD19 Protein, Cynomolgus/Rhesus Macaque (Biotinylated, HEK293, His) is the recombinant Rhesus Macaque-derived CD19 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD19 Protein, Cynomolgus/Rhesus Macaque (Biotinylated, HEK293, His) is 272 a.a., with molecular weight of ~31.4 KDa.
  • HY-P77527
    CD19 Protein, Mouse (Biotinylated, HEK293, His)

    B-lymphocyte antigen CD19; CD19; B-lymphocyte surface antigen B4

    		Mouse HEK293
    The CD19 protein acts as a coreceptor for B cell antigen receptors, lowering the signaling threshold and initiating B cell responses to antigens. It activates a cascade leading to PI3K activation and Ca(2+) mobilization. CD19 Protein, Mouse (Biotinylated, HEK293, His) is the recombinant mouse-derived CD19 protein, expressed by HEK293 , with C-His labeled tag. The total length of CD19 Protein, Mouse (Biotinylated, HEK293, His) is 271 a.a., with molecular weight of ~31 KDa.
  • HY-P7833
    CD19 Protein, Cynomolgus/Rhesus Macaque (HEK293, Fc)

    rRhCD19 molecule/CD19, Fc; B-Lymphocyte Antigen CD19; B-Lymphocyte Surface Antigen B4; Differentiation Antigen CD19; T-Cell Surface Antigen Leu-12; CD19

    		Rhesus Macaque HEK293
    CD19 is a signaling component of the B-cell receptor complex that lowers the threshold for antigen-driven activation. CD19 Protein, Cynomolgus/Rhesus Macaque (HEK293, Fc) is the recombinant Rhesus Macaque-derived CD19 protein, expressed by HEK293 , with C-hFc labeled tag.
Cat. No. Product Name Effect Purity