Anti-Human CD5 DyLight® 488 conjugated Antibody(monoclonal, 4E2)
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application ![]()
| FC |
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Primary Accession | P06127 |
Host | Mouse |
Isotype | Mouse IgG1 |
Reactivity | Human |
Clonality | Monoclonal |
Format | Lyophilized |
Description | Anti-Human CD5 DyLight® 488 conjugated Antibody (monoclonal, 4E2) . Tested in Flow Cytometry applications. This antibody reacts with Human. |
Reconstitution | Add 0.2ml of distilled water will yield a concentration of 500 µg/ml. |
Gene ID | 921 |
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Other Names | T-cell surface glycoprotein CD5, Lymphocyte antigen T1/Leu-1, CD5, CD5, LEU1 |
Calculated MW | 54578 Da |
Application Details | Flow Cytometry, 1-3 µg/1x10^6 cells, Human |
Subcellular Localization | Cell membrane ; Single-pass type I membrane protein |
Contents | Each vial contains 4mg Trehalose, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3. |
Clone Names | Clone: 4E2 |
Immunogen | E. coli-derived human CD5 recombinant protein (Position: R25-L495). |
Purification | Immunogen affinity purified. |
Cross Reactivity | No cross-reactivity with other proteins. |
Storage | At -20°C for one year from date of receipt. Avoid repeated freezing and thawing. Protect from light. |
Name | CD5 |
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Synonyms | LEU1 |
Function | Lymphoid-specific receptor expressed by all T-cells and in a subset of B-cells known as B1a cells. Plays a role in the regulation of TCR and BCR signaling, thymocyte selection, T-cell effector differentiation and immune tolerance. Acts by interacting with several ligands expressed on B-cells such as CD5L or CD72 and thereby plays an important role in contact-mediated, T-dependent B-cell activation and in the maintenance of regulatory T and B-cell homeostasis. Functions as a negative regulator of TCR signaling during thymocyte development by associating with several signaling proteins including LCK, CD3Z chain, PI3K or CBL (PubMed:1384049, PubMed:1385158). Mechanistically, co- engagement of CD3 with CD5 enhances phosphorylated CBL recruitment leading to increased VAV1 phosphorylation and degradation (PubMed:23376399). Modulates B-cell biology through ERK1/2 activation in a Ca(2+)-dependent pathway via the non-selective Ca(2+) channel TRPC1, leading to IL-10 production (PubMed:27499044). |
Cellular Location | Cell membrane {ECO:0000250|UniProtKB:P13379}; Single-pass type I membrane protein {ECO:0000250|UniProtKB:P13379} |

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Background
CD5 is a member of the scavenger receptor cysteine-rich (SRCR) superfamily. Members of this family are secreted or membrane-anchored proteins mainly found in cells associated with the immune system. In humans, the gene is located on the long arm of chromosome 11. This protein is a type-I transmembrane glycoprotein found on the surface of thymocytes, T lymphocytes and a subset of B lymphocytes. The encoded protein contains three SRCR domains and may act as a receptor to regulate T-cell proliferation. Alternative splicing results in multiple transcript variants encoding different isoforms.

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