Biotinylated Human 2B4 / CD244 / SLAMF4 Protein, Fc, Avitag™

Natural killer cell receptor 2B4 is also known as NK cell type I receptor protein 2B4 (NKR2B4 or h2B4), SLAM family member 4 (SLAMF4), Signaling lymphocytic activation molecule 4, CD antigen CD244. NKR2B4 / CD244 contains two Ig-like (immunoglobulin-like) domains. CD244 is expressed in spleen, PBL, followed by lung, liver, testis and small intestine. CD244 interacts with CD48. Following phosphorylation, CD244 is able to recruit PTPN11/SHP-2 and SH2D1A/SAP. SLAMF4 modulate other receptor-ligand interactions to enhance leukocyte activation. CD244/2B4 is the only heterophilic receptor of SLAM family.

Product Specifications

Background

Specifications

This protein carries a human IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™) . The protein has a calculated MW of 50.7 kDa. The protein migrates as 65-80 kDa under reducing (R) condition, and 130-160 kDa under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.

Accession Number

Q9BZW8-2

Expression Region

Cys 22 - Arg 221

Host

HEK293

Target

2B4

Conjugation

Biotin-labeled

Tag

C-Fc & C-Avi

Source

Human

Stability

-20°C to -70°C for 12 months in lyophilized state; -70°C for 3 months under sterile conditions after reconstitution. For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Endotoxin

1.0 EU per μg

Purity

95%

Bioactivity

Immobilized Human CD48, Fc Tag (Cat. No. BC1-H5255) at 10 μg/mL (100 μL/well) can bind Biotinylated Human 2B4, Fc,Avitag (Cat. No. 2B4-H82F0) with a linear range of 0.01-0.156 μg/mL (QC tested).