Biotinylated Human 4-1BB Ligand / TNFSF9 (71-254) Protein, Fc,Avitag™, premium grade

4-1BB Ligand, TNFSF9, CD137L

Biotinylated Human 4-1BB Ligand (71-254), Fc,Avitag, premium grade (41L-H82Fa) is expressed from human 293 cells (HEK293). It contains AA Arg 71 - Glu 254 (Accession # P41273-1).

Predicted N-terminus: Gly

It is produced under our rigorous quality control system that incorporates a comprehensive set of tests including sterility and endotoxin tests. Product performance is carefully validated and tested for compatibility for cell culture use or any other applications in the early preclinical stage. When ready to transition into later clinical phases, we also offer a custom GMP protein service that tailors to your needs. We will work with you to customize and develop a GMP-grade product in accordance with your requests that also meets the requirements for raw and ancillary materials use in cell manufacturing of cell-based therapies.

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

Passed as determined by the SABA assay / HABA assay / binding ELISA.

Less than 0.01 EU per μg by the LAL method / rFC method.

<0.5 ng/µg of protein tested by ELISA.

<0.02 ng/μg of protein tested by qPCR.

Negative

Negative

>95% as determined by SDS-PAGE.

>95% as determined by SEC-MALS.

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

Contact us for customized product form or formulation.

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

This product is shipped at ambient temperature.

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

• -20°C to -70°C for 24 months in lyophilized state;
• -70°C for 3 months under sterile conditions after reconstitution.