Etanercept Biosimilar - Research Grade

Product Specifications

Background

Etanercept biosimilar is a dimeric fusion protein consisting of the extracellular ligand-binding portion of the human 75 kilodalton (p75) tumor necrosis factor receptor (TNFR) linked to the Fc portion of human IgG1. The Fc component of etanercept contains the CH2 domain, the CH3 domain and hinge region, but not the CH1 domain of IgG1. Etanercept biosimilar is produced by recombinant DNA technology in a Chinese hamster ovary (CHO) mammalian cell expression system. It consists of 934 amino acids and has an apparent molecular weight of approximately 150 kilodaltons.

Product Name Alternative

Tumor necrosis factor

UniProt

P01375

Host

Humanized

Reactivity

Human

Target

TNF alpha

Sequence

https://www.imgt.org/mAb-DB/

Purification Method

This monoclonal antibody was purified using multi-step affinity chromatography methods such as Protein A or G depending on the species and isotype.

Concentration

1.0 - 5.0 mg/mL

Endotoxin

≤ 1.0 EU/mg as determined by the LAL method

Purity

>95% by SDS-PAGE and HPLC

Buffer

ICH3001-100ml ICH3002-100ml ICH3003-100ml

References & Citations

Barakat, R., Al-Sarraf, H. & Redzic, Z. Hypoxemia exerts detrimental effects on the choroid plexuses and cerebrospinal fluid system in rats. Fluids Barriers CNS 22, 27 (2025) . https://doi.org/10.1186/s12987-024-00613-w

Shipping Conditions

Blue ice

Storage Conditions

Stable for at least one week when stored sterile at 2-8°C. For long term storage aseptically aliquot in working volumes without diluting and store at –80°C. Avoid Repeated Freeze Thaw Cycles.