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Human DNAM-1/CD226 Protein

Product Info

Recombinant Human DNAM-1/CD226 Protein is expressed from Expi293 with His tag and Avi tag at the C-terminal. It contains Glu19-Asn247.[Accession | Q15762]

Molecular Weight

The protein has a predicted MW of 28.9 kDa. Due to glycosylation, the protein migrates to 45-70 kDa based on Tris-Bis PAGE result.


Less than 1EU per μg by the LAL method.


> 95% as determined by Tris-Bis PAGE
> 95% as determined by SEC-HPLC


Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 5 % trehalose is added as protectant before lyophilization.


Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.


The product should be stored at -70℃ or -20℃.

Assay Data
Tris-Bis PAGE

Human DNAM-1 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.


The purity of Human DNAM-1 is greater than 95% as determined by SEC-HPLC.

SPR Data

Human CD155,hFc Tag captured on Protein A chip, can bind Human DNAM-1, His Tag with an affinity constant of 0.22μM as determined in a SPR assay (Biacore T200).


DNAX accessory molecule-1 (DNAM-1), also known as CD226, is a 65 kDa type I transmembrane glycoprotein in the immunoglobulin superfamily.DNAM-1 mediates cellular adhesion to other cells bearing its ligands, CD112 and CD155, and cross-linking DNAM-1 with antibodies causes cellular activation. Furthermore, DNAM-1 can interact with PVR and PVRL2.


CD226 molecule; CD226; DNAM1; DNAM-1; CD226 antigen platelet and T cell activation antigen 1; DNAM1adhesion glycoprotein; DNAM-1DNAX accessory molecule-1; DNAX accessory molecule 1; PTA1; T lineage-specific activation antigen 1 antigen; TLiSA1


(1)Yu X , Harden K , C Gonzalez L , et al. The surface protein TIGIT suppresses T cell activation by promoting the generation of mature immunoregulatory dendritic cells[J]. NATURE IMMUNOLOGY, 2008, 10(1):48-57.

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