GMP Biotinylated Monoclonal Anti-G4S linker Antibody, Rabbit IgG (016), CF (carrier free)

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GMP-MG4S25-5mg
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GMP-MG4S25
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Product Features and Advantages
  • Wide-ranging functions: Plays a critical bridging role in biotinylated antibody-based cell separation workflows, enabling highly specific, gentle and efficient isolation of T cells, NK cells and other immune cell subsets, supporting standardized manufacturing of CAR-related pipelines. ACROBiosystems is the only GMP Biotinylated Monoclonal Anti-G4S linker Antibody available supplier.
  • High Performance: Exhibits superior binding affinity and low non-specific background, ensuring high recovery and viability of target cells during immunomagnetic separation, making it the preferred choice for numerous pharmaceutical enterprises in preclinical and clinical-stage cell therapy development.
  • Comprehensive Safety Assurance: ECACC-compliant HEK293 host cell origin, comprehensive testing (28 items), dual virus reduction measures and comprehensive viral clearance validation, animal origin-free (AOF) production process, with stringent final product quality control and release specifications to support clinical-grade applications.
  • Lot-to-Lot Consistency: Achieved through a stable cell line and robust manufacturing process, ensuring reliable, reproducible separation performance from early-stage research through clinical manufacturing.
GMP Platform Advantages
  • Quality Assurance: Global QMS with comprehensive and stringent QC release criteria.
  • End-to-End GMP Compliance: Full manufacturing and QC under a cGMP system.
  • Comprehensive Control of Adventitious Agents: Stringent biosafety from cell banks to final release.
  • Comprehensive Regulatory Support: Includes RSF and DMF to meet global requirements.
  • Resilient Supply Chain: Intelligent modular facilities ensure a stable global supply.
  • Professional Support: Extensive manufacturing and application expertise to accelerate development.
Source

GMP Biotinylated Monoclonal Anti-G4S linker Antibody, Rabbit IgG (016), CF (carrier free) is a rabbit monoclonal antibody (labelled by chemically labeling technology) recombinantly expressed from human 293 cells (HEK293), it shows superior performance in various applications such as ELISA assays and flow cytometry assays with higher affinity and better specificity.

Isotype

Rabbit IgG, Kappa

Conjugate

Biotinylated

Specificity

It can specifically recognize proteins or ScFv containing (G3S)n or (G4S)n linkers, where n = 2, 3, 4... That is, it can recognize linkers with a minimum length of 2 repeats for both (G3S)n and (G4S)n.

Endotoxin

Less than 10 EU/mg, tested by the rFC method in compliance with USP <86> and Ph. Eur. 2.6.32.

Protein A

<5 ppm of protein tested by ELISA.

Host Cell Protein

<0.5 ng/μg of protein tested by ELISA.

Host Cell DNA

<0.02 ng/μg of protein tested by qPCR.

Purity

>95% as determined by SDS-PAGE.

Sterility

Sterility testing was performed using the membrane filtration method in compliance with USP <71> and Ph. Eur. 2.6.1.

Mycoplasma

Negative

Formulation

Supplied as 0.2 μm filtered solution in PBS, pH7.4 with protectants.

Contact us for customized product form or formulation.

Vial Specification

15R (20 mm neck finish)

Shipping

This product is supplied and shipped with dry ice, please inquire the shipping cost.

Storage

For long term storage, the product should be stored at liquid state at -20℃ or below.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:
  • 2-8℃ for 12 months under sterile conditions;
  • -20℃ or below for 5 years.

バックグランド

The poly-Glycine-Serine (G4S) linker is a type of flexible, unstructured synthetic peptide linker sequence often leveraged to connect the variable heavy (VH) domain and variable light (VL) domain of single-chain variable fragments (scFvs) and chimeric antigen receptors (CARs) that utilize an extracellular domain scFv for target antigen recognition. The linker itself consists of a core pentapeptide sequence, Gly-Gly-Gly-Gly-Ser, that is repeated and commonly found as either a 15-mer (G4S)3 or20-mer(G4S) 4 within scFv-based CARs and scFv fragments. The linker sequence length plays a role in controlling scFv stability and the noncovalent association between the VH and VL domains.