Recombinant Human 4-1BBR (CD137)

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Pricing & Details

Product. No.F156
Alternate Names
TNFRSF9, CD137 Antigen, T-Cell Antigen ILA
Expression Host
NS0 cells
Prod No.
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F156-100 µg
100 µg
In stock
Min: 1
Step: 1
Bulk quantities available. Contact us for pricing.


4-1BB Receptor, a member of the TNF superfamily of receptors, is mainly expressed on the surface of a variety of T cells, but also found in B cells, monocytes, and various transformed cell lines. 4-1BB Receptor binds to 4-1BBL to provide a co-stimulatory signal for T lymphocytes. Signaling by 4-1BB Receptor has been implicated in the antigen-presentation process and generation of cytotoxic T cells.

Protein Details

>95% by SDS-PAGE and analyzed by silver stain.
Endotoxin Level
<0.01 EU/µg as determined by the LAL method
Biological Activity
The biological activity of Human 4-1BB Receptor is determined by its inhibitory effect of the 4-1BBL mediated stimulation of IL-8 production by human PBMC. About 90% of inhibition was seen using a concentration of 1 µg for both 4-1BBL and 4-1BBR.

The activity of the receptor was also measured by its ability to bind Recombinant Human 4-1BB Ligand in a functional ELISA. A coating concentration of 1 µg/ml was used for this assay.
Fusion Protein Tag
Fc Fusion Protein
Expression Host
NS0 cells
Protein Accession No.
Amino Acid Sequence
lqdpcsn cpagtfcdnn rnqicspcpp nsfssaggqr tcdicrqckg vfrtrkecss tsnaecdctp gfhclgagcs mceqdckqgq eltkkgckdc cfgtfndqkr gicrpwtncs ldgksvlvng tkerdvvcgp spadlspgas svtppapare pghspqdieg rmdpkscdkt htcppcpape llggpsvflf ppkpkdtlmi srtpevtcvv vdvshedpev kfnwyvdgve vhnaktkpre eqynstyrvv svltvlhqdw lngkeykckv snkalpapie ktiskakgqp repqvytlpp srdeltknqv sltclvkgfy psdiavewes ngqpennykt tppvldsdgs fflyskltvd ksrwqqgnvf scsvmhealh nhytqkslsl spgkhhhhhh
N-terminal Sequence Analysis
State of Matter
Predicted Molecular Mass
The predicted molecular weight of the reduced Human 4-1BBR monomer is Mr 44.8 kDa. However, the actual molecular weight, due to glycosylation, as observed by migration on SDS-PAGE is Mr 50-65 kDa.
This recombinant protein was 0.2 µm filtered and lyophilized from modified Dulbecco’s phosphate buffered saline (1X PBS) pH 7.2 – 7.3 with no calcium, magnesium, or preservatives.
Storage and Stability
The lyophilized protein should be stored desiccated at -20°C. The reconstituted protein can be stored for at least one week at 4°C. For long-term storage of the reconstituted protein, aliquot into working volumes and store at -20°C in a manual defrost freezer. Avoid Repeated Freeze Thaw Cycles.
Country of Origin
Next Day Ambient
NCBI Gene Bank
IMPORTANT Use lot specific datasheet for all technical information pertaining to this recombinant protein.
Products are for research use only. Not for use in diagnostic or therapeutic procedures.
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