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Toripalimab Biosimilar - Research Grade

Product Specifications

Background

Pembrolizumab biosimilar is a humanized monoclonal antibody that blocks the interaction between PD-1 and its ligands, PD-L1 and PD-L2. It is an IgG4 kappa immunoglobulin with an approximate molecular weight of 149 kDa.

Product Name Alternative

Programmed cell death protein 1, Pdcd1, CD279

UniProt

Q15116

Host

Humanized

Reactivity

Human

Target

PD-1

Isotype

IgG4

Sequence

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

Applications

Functional Assays

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

<1EU/mg Determined by LAL gel clotting assay

Purity

>95% by SDS-PAGE and HPLC

Buffer

ICH3002

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.

Specificity

Detects human PD-1. This non-therapeutic antibody uses the same sequence as the therapeutic antibody Toripalimab.

Formulation

Phosphate buffered saline (PBS) pH 7.2, with no carrier protein, potassium or preservatives added. BSA and Azide free.

Applications Notes

This biosimilar is for research use only (RUO) : it is not for diagnostic or therapeutic procedures and cannot be purchased by patients.

Isotype Control

Bulk Human IgG4 Isotype Control (IB4) [ICH2257]

Frequently Asked Questions

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