Tocilizumab Biosimilar - Research Grade

Product Specifications

Background

Tocilizumab is a recombinant humanized anti-human interleukin 6 (IL-6) receptor monoclonal antibody of the immunoglobulin IgG1κ (gamma 1, kappa) subclass with a typical H2L2 polypeptide structure. Each light chain and heavy chain consists of 214 and 448 amino acids, respectively. The four polypeptide chains are linked intra- and inter-molecularly by disulfide bonds. Tocilizumab has a molecular weight of approximately 148 kDa. The antibody is produced in mammalian (Chinese hamster ovary) cells.

Product Name Alternative

IL6R

UniProt

P08887

Host

Humanized

Reactivity

Human

Target

IL-6 receptor

Isotype

IgG1 κ

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

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.