Flt3-Ligand is a growth factor responsible for regulating the proliferation of early hematopoietic cells. It binds to cells expressing the Flt3 tyrosine kinase receptor. Interestingly, Flt3-Ligand itself doesn’t directly stimulate the proliferation of early hematopoietic cells. Instead, it works synergistically with other colony-stimulating factors (CSFs) and interleukins to induce growth and differentiation. Unlike SCF, Flt3-Ligand doesn’t affect mast cells.
Various isoforms of Flt3-Ligand have been identified, with the predominant biologically active form being anchored to the cell surface as part of a transmembrane protein (209 amino acids). This membrane-bound isoform can undergo proteolytic cleavage, producing a biologically active soluble isoform.
Recombinant Human Flt3-Ligand is a soluble protein weighing 17.6 kDa and composed of 155 amino acid residues.
$515.00
Product Specifications
Species Human
Published species
Hamster, Human, Mouse, Rabbit
Expression System E. coli
Amino acid sequence
TQDCSFQHSP ISSDFAVKIR ELSDYLLQDY PVTVASNLQD EELCGGLWRL VLAQRWMERL KTVAGSKMQG LLERVNTEIH FVTKCAFQPP PSCLRFVQTN ISRLLQETSE QLVALKPWIT RQNFSRCLEL QCQPDSSTLP PPWSPRPLEA TAPTA
Molecular weight 17.6 kDa
Class Recombinant
Type Protein
Purity
≥ 98% by SDS-PAGE gel and HPLC analyses.
Endotoxin concentration <0.1 EU/µg
Activity
The ED50 as determined by the dose-dependent stimulation of the proliferation of human AML5 cells is ≤ 1.0 ng/ml, corresponding to a specific activity of ≥ 1 x 10^6 units/mg.
Conjugate Unconjugated
Form Lyophilized
Contains
no preservative
Storage conditions -20°C
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