Human 2B4 / CD244 / SLAMF4 Protein, Fc Tag
Human 2B4, Fc Tag (2B4-H5255) is expressed from human 293 cells (HEK293) . It contains AA Cys 22 - Arg 221 (Accession # Q9BZW8-2) .
Product Specifications
Background
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.
Specifications
This protein carries a human IgG1 Fc tag at the C-terminus. The protein has a calculated MW of 48.9 kDa. The protein migrates as 60-80 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Accession Number
Q9BZW8-2
Expression Region
Cys 22 - Arg 221
Host
HEK293
Target
2B4
Conjugation
Unconjugated
Tag
C-Fc
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 2B4, Fc Tag (Cat. No. 2B4-H5255) at 2 μg/mL (100 μL/well) can bind Human CD48, Mouse IgG2a Fc Tag, low endotoxin (Cat. No. BC1-H5258) with a linear range of 2-16 ng/mL (QC tested).
Format
Powder
Buffer
50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5
Additives
Trehalose
Molecular Weight
48.9 kDa
Shipping Conditions
RT
Storage Conditions
-20°C
Package Size
100ug*1
Product Datasheet
Https://www.acrobiosystems.com/static/main/products/pdf/ds/2B4-H5255.pdf
Species
Human
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