Human TNF-alpha Protein

• Catalog Number: orb383503
• Category: Proteins
• Description: Human TNF-alpha Protein, His Tag is expressed from human 293 cells (HEK293). It contains AA Val 77 - Leu 233 (Accession # NP_000585.2).
• Reactivity: Human
• Tag: C-6×His
• Form/Appearance: Powder
• Purity: 95%
• Conjugation: Unconjugated
• MW: 18.3 kDa
• Target: TNF-alpha
• Source: Human TNF-alpha, His Tag (active trimer) (MALS verified) (orb383503) is expressed from human 293 cells (HEK293). It contains AA Val 77 - Leu 233 (Accession # NP_000585.2).
• Expression System: HEK293
• Biological Origin: Human
• Biological Activity: Humira (Adalimumab) captured on CM5 chip via anti-human IgG Fc antibodies surface, can bind Human TNF-alpha Protein, His Tag with an affinity constant of 0.244 nM as determined in a SPR assay (Biacore T200) (Routinely tested).
• Expression Region: Val 77 - Leu 233
• Endotoxins: 1.0 EU per μg
• NCBI: NP_000585.2
• Storage: -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.
• Buffer/Preservatives: PBS, pH7.4
• Alternative names: DIF,TNF-alpha,TNFA,TNFSF2,cachexin,cachectin,TNFα
• Note: For research use only
• Application notes: This protein carries a polyhistidine tag at the C-terminus. The protein has a calculated MW of 18.3 kDa. The protein migrates as 17-19 kDa under reducing (R) condition (SDS-PAGE).
• Expiration Date: 6 months from date of receipt.

SDS-PAGE analysis of Human TNF-alpha protein

Humira (Adalimumab) captured on CM5 chip via anti-human IgG Fc antibodies surface, can bind Human TNF-alpha Protein, His Tag (Cat. No. orb383503) with an affinity constant of 0.244 nM as determined in a SPR assay (Biacore T200) (Routinely tested).