Flt-3L
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Primary Accession | P49772 |
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Species | Mouse |
Sequence | Gly27-Arg188 |
Purity | > 95% as analyzed by SDS-PAGE |
Endotoxin Level | < 0.2 EU/ µg of protein by gel clotting method |
Biological Activity | ED50 < 10.0 ng /ml, measured in a cell proliferation assay using AML5 cells. |
Expression System | CHO |
Formulation | Lyophilized after extensive dialysis against PBS. |
Reconstitution | It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in ddH₂O or PBS up to 100 µg/ml. |
Storage & Stability | Upon receiving, this product remains stable for up to 6 months at lower than -70°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles. |
Gene ID | 14256 |
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Other Names | Fms-related tyrosine kinase 3 ligand, Flt3 ligand, Flt3L, SL cytokine, Flt3lg, Flt3l |
Target Background | Flt3L, also known as Fms-related tyrosine kinase 3 ligand and SL cytokine, is a single-pass type I membrane protein. It is expressed by stromal cells and T cells. Flt3L signals through tyrosine kinase receptor Flt3/Flk2 to stimulate the proliferation of early hematopoietic progenitor cells. It synergizes with other growth factors, such as GM-CSF, IL-3 and CSF, to promote the differentiation of both myeloid and lymphoid cells. Alternative splicing and proteolytic cleavage of membrane-bound Flt3L generates a soluble extracellular domain (ECD) isoform with full biological activity. |
Name | Flt3lg |
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Synonyms | Flt3l |
Function | Stimulates the proliferation of early hematopoietic cells by activating FLT3. Synergizes well with a number of other colony stimulating factors and interleukins. Essential for the development of natural killer (NK) cells, B cells, and dendritic cells (DCs). |
Cellular Location | Cell membrane; Single-pass type I membrane protein [Isoform 4]: Secreted. Note=Inactive. |

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