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Fc Fusion Protein Production Services

Expression and Purification of Fc Fusion Proteins
Catalog No. Product Name Size List Price (US$) Quantity
BS050A DNA Construction for Expression of Fc Fusion Protein (N-term or C-term; multiple Fc backbone options) + 1 mg Endotoxin-free DNA production 1 package 1400.00
BS050B DNA Construction for Expression of Fc Fusion Protein (N-term or C-term; multiple Fc backbone options) + 0.03 Liter Transient Production of Fc Fusion Protein 1 package 2200.00
BS050C 5 mg Scale Transient Production of Fc Fusion Protein 0.03 liter 1000.00
BS050D 10 mg Scale Transient Production of Fc Fusion Protein 0.1 liter 1500.00
BS050E 50 mg Scale Transient Production of Fc Fusion Protein 0.5 liter 3750.00
BS050F 200 mg Scale Transient Production of Fc Fusion Protein 2 liter 7000.00
BS050G 1 gram Scale Transient Production of Fc Fusion Protein 10 liter 15000.00
Description

Syd Labs has extensive experience with making DNA constructs for Fc fusion protein production, expressing and purifying a number of Fc fusion proteins from microgram to kilogram scales in mammalian cells, such as CHO and HEK 293 cells. With improved DNA construction system and fully optimized secretion signal and linker sequences, Syd Labs can efficiently complete a project from DNA construction and transient production of Fc fusion proteins in CHO and HEK 293 cells, to Fc fusion protein purification. N-term or C-term of Fc fusions of peptides and proteins in secreted form as well as multiple Fc backbone are available upon request.

The Fc region (the antibody fragment crystallizable region) brings a variety of benefit to the fused proteins and peptides. Fc fusion allows simple and efficient purification with protein A and/or protein G, and accurate quantification and capturing in receptor-ligand affinity measurement. Fc fusion significantly improves pharmacokinetic property of the fused proteins and peptides because Fc can escape proteolytic degradtion. Fc can increase the plasma half-life of Fc fusion proteins due to interaction with the neonatal Fc receptor (FcRn) and the slowing of renal clearance due to their larger size. Because they are homodimers, Fc fusion proteins may have improved apparent affinity to binding partners due to increased avidity. Because many receptors are only functional in a dimeric form, the dimeric receptor-Fc fusion protein can mimic the activated form and enhance its affinity for the cognate ligand. With human-specific glycosylation, Fc chimeric proteins can be used in studies involving human proteins and cells. They can be used to neutralize the bioactivity of their cognate ligands in vitro and in vivo.

1. Synthesizing or amplifying the gene encoding the Fc-fused protein:

Free sequence optimization to meet your goals such as recombinant Fc-fusion protein expression at high and reliable levels. 

2. Construction, expression, and purification of Fc-fusion proteins:

* Fuse your protein of interest into human or mouse IgG Fc backbone (choice of human or mouse IgG1 Fc backbone; other IgG Fc backbone is available upon request) in mammalian expression vectors;
* Transiently express the recombinant Fc-fusion protein in mammalian expression systems, CHO or HEK 293 cells;
* Purify the recombinant Fc-fusion protein. Protein A is used for recombinant Fc-fusion protein purification. Please request if multiple purification methods are required.

The Fc options include but are not limited to:
* Human IgG1-Fc, IgG2-Fc, IgG3-Fc, IgG4-Fc;
* Mouse IgG1-Fc, IgG2a-Fc, IgG2b-Fc, IgG3-Fc;
* Rat IgG1-Fc, IgG2a-Fc, IgG2b-Fc, IgG3-Fc;
* Rabbit IgG-Fc;
* Canine IgG-Fc.

If you provide us the Fc fusion expression vector with your gene already cloned into, we perform small-scale pilot expression and protein purification by transient transfection into CHO or 293 cells, allowing us to evaluate expression level and yield of the Fc fusion protein of your interest.

Fast turnaround (BS050A):
* 1-2 weeks for codon optimization and synthesizing the gene of interest.
* 1-2 weeks for molecular construction of recombinant Fc fusion proteins using E.coli.

For expressing recombinant Fc fusion proteins using mammalian expression systems, CHO or HEK 293 cells:

BS050C: 0.03 liter transient production, estimated yield 0.5 - 20 mg, average 5 mg, 2 weeks;
BS050D: 0.1 liter transient production, estimated yield 2 - 50 mg, average 10 mg, 2 weeks;
BS050E: 0.5 liter transient production, estimated yield 10 - 250 mg, average 50 mg, 2 weeks;
BS050F: 2 liter transient production, estimated yield 40 - 1000 mg, average 200 mg, 3 weeks;
BS050G: 10 liter transient production, estimated yield 200 - 5000 mg, average 1000 mg, 3 weeks.

We also provide the following protein production (DNA construction, protein expression and purification) services:
Albumin Fusion Protein Production Service
His Tag or FLAG Tag Fusion Protein Production Service

Applications:

ScFv-Fc fusion protein production: molecular construction of recombinant single chain antibodies (scFv-Fc), 0.03 liter transient production of recombinant scFv-Fc in CHO or HEK 293 cells, and protein A purification of recombinant scFv-Fc

Fc fusion biosimilar stable cell lines:

Nulojix Biosimilar Stable Cell Line (CTLA-4 Fc Fusion Protein)
Orencia Biosimilar Stable Cell Line (CTLA-4 Fc Fusion Protein)

Recombinant IgG Fc Proteins:
Recombinant Human Fc Protein (IgG1)
Recombinant Human Fc Protein (IgG2)
Recombinant Human Fc Protein (IgG4)
Recombinant Mouse Fc Protein (IgG1)

Fc ELISA Kits and Reagents:
Human Fc ELISA Kit
Mouse Fc ELISA Kit
Human Fc ELISA Reagent Kit
Mouse Fc ELISA Reagent Kit

Protein A, Resin, Columns, and ELISA Kits:
Recombinant Protein A
Protein A Affinity Resin
Pre-packed Protein A Column
Protein A ELISA Kit

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