Human CD37 Protein
Catalog No: CD37-HF001
- Species
- Human
- Expression System
- HEK293
- Tag
- an hFc (IgG1)
Product overview
Recombinant Human CD37 Protein is expressed in HEK293 cells with an hFc (IgG1) tag at the N-terminus. It contains amino acid residues Ala113-Asn240 (UniProt accession: P11049-1).
Product Details
- Molecular Aliases
- Tetraspanin-26; Tspan-26; CD37; CD37 molecule; GP52-40; MGC120234;Tspan26
- Protein Length
- Ala113-Asn240
- Expression System
- HEK293
- Theoretical Molecular Weight
- The protein has a predicted MW of 41.9 kDa. Due to glycosylation, the protein migrates to 50-60 kDa based on Bis-Tris PAGE result.
- Purity
- > 95% as determined by Bis-Tris PAGE > 95% as determined by HPLC
- Endotoxin
- Less than 1 EU per μg by the LAL method.
- Buffer / Formulation
- Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
- State
- Lyophilized
- Storage Conditions
- -20 to -80°C for 12 months as supplied from date of receipt. -80°C for 3 months after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
- Reconstitution Advice
- Dissolve the lyophilized protein in distilled water. Please refer to the Certificate of Analysis for detailed instructions.
Data Display

Human CD37 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

The purity of Human CD37 is greater than 95% as determined by SEC-HPLC.
Background
CD37 is a tetraspanin expressed prominently on the surface of B cells. It is an attractive molecular target exploited in the immunotherapy of B cell-derived lymphomas and leukemia. Currently, several monoclonal antibodies targeting CD37 as well as chimeric antigen receptor-based immunotherapies are being developed and investigated in clinical trials. Given the unique role of CD37 in the biology of B cells, it seems that CD37 constitutes more than a docking point for monoclonal antibodies, and targeting this molecule may provide additional benefit to relapsed or refractory patients.
References
- Bobrowicz M, Kubacz M, Slusarczyk A, Winiarska M. CD37 in B Cell Derived Tumors-More than Just a Docking Point for Monoclonal Antibodies. Int J Mol Sci. 2020 Dec 15;21(24):9531. doi: 10.3390/ijms21249531. PMID: 33333768; PMCID: PMC7765243. Note: HPLC results always come from liquid protein, due to absorption peak interference of trehalose in lyophilized powder.
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