TNFSF9 (NM_003811) Human Recombinant Protein

Specifications

Product Data
Species	Human
Expression Host	E. coli
Expression cDNA Clone or AA Sequence	Protein Sequence (showhide) Arg71-Glu254
Tag	C-His
Predicted MW	20.6 kDa
Concentration	lot specific
Purity	>95% as determined by SDS-PAGE and Coomassie blue staining
Buffer	Lyophilized from a 0.2 um filtered solution of 20mM Tris HCl,150mM NaCl,pH7.4.
Storage	Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
Stability	Stable for at least 6 months from date of receipt under proper storage and handling conditions.
Endotoxin	Endotoxin level is < 0.1 ng/µg of protein (< 1 EU/µg)
Reference Data
RefSeq	NP_003802
Locus ID	8744
UniProt ID	P41273, A0A0U5J8I0
Refseq Size	1680
Cytogenetics	19p13.3
Refseq ORF	762
Synonyms	4-1BB-L; CD137L; TNLG5A
Summary	The protein encoded by this gene is a cytokine that belongs to the tumor necrosis factor (TNF) ligand family. This transmembrane cytokine is a bidirectional signal transducer that acts as a ligand for TNFRSF9/4-1BB, which is a costimulatory receptor molecule in T lymphocytes. This cytokine and its receptor are involved in the antigen presentation process and in the generation of cytotoxic T cells. The receptor TNFRSF9/4-1BB is absent from resting T lymphocytes but rapidly expressed upon antigenic stimulation. The ligand encoded by this gene, TNFSF9/4-1BBL, has been shown to reactivate anergic T lymphocytes in addition to promoting T lymphocyte proliferation. This cytokine has also been shown to be required for the optimal CD8 responses in CD8 T cells. This cytokine is expressed in carcinoma cell lines, and is thought to be involved in T cell-tumor cell interaction.[provided by RefSeq, Oct 2008]
Protein Families	Druggable Genome, Transmembrane
Protein Pathways	Cytokine-cytokine receptor interaction

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