
OVERVIEW
The mammalian cell expression system, known for its intricate glycosylation processes, is essential for achieving precise post-translational modifications and correct protein folding. Particularly crucial for downstream applications, transient expression in mammalian cells is widely utilized in the development and production of recombinant protein drugs, notably therapeutic recombinant monoclonal antibodies.
Gene Universal's mammalian expression services streamline the production and delivery of high-quality proteins and recombinant antibodies (rAbs), ranging from microgram to gram quantities, in CHO or HEK293 cells. With guaranteed protein quantity and purity, we leverage proprietary transient mammalian expression technology to optimize cellular pathways, resulting in exceptional protein and antibody yields (up to 3 g/L).
Our guaranteed mammalian protein expression packages encompass gene synthesis and subcloning, progressing seamlessly through protein expression and purification using our proprietary mammalian protein expression and purification technologies. Trust Gene Universal to propel your research forward with reliable and efficient mammalian protein expression solutions.
SERVICE DESCRIPTIONS
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01. One-Stop Solution:
Seamless integration from gene synthesis to protein and antibody production.
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05. Ultra-Low Endotoxin Levels:
As low as 1 EU/mg.
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02. Inclusive Gene Synthesis:
No additional cost for gene synthesis.
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06. No Setup Fees:
Transparent pricing without setup fees.
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03. Competitive Pricing:
Cost-effective solutions tailored to your scaling needs.
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07. Flexible Packages:
Customize your package according to your specific requirements.
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04. Swift Turnaround
Expedited service with turnaround times as fast as 2 weeks.
SERVICE PROCEDURE
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Protein
Sequence -
Gene Synthesis
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Plasmid Prep
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Transient Transfection
& Expression -
Purification & QC
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Fast
Delivery
SERVICE DETAILS
Service Step | Service Description | Timeline | Deliverables |
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Gene Synthesis |
· Codon Optimization & Gene Synthesis · Subcloning · Plasmid Preparation |
2 to 3 weeks |
· Expression Plasmid Contain GOI · Purified Recombinant Protein (SDS-PAGE & SEC-HPLC Detection) · COA Report |
Pilot Study |
· Pilot Protein Expression · Pilot Protein Purification · QC Analysis |
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Scale-up Production |
· Large-scale Protein Expression · Purification · QC Analysis |
3 to 4 weeks |
· Purified Recombinant Protein (SDS-PAGE & SEC-HPLC Detection) · COA Report |
CASE STUDY
Fibroblast growth factor 21 with N-Fc tag (293F)

M: Protein Marker
Lane 1: Reducing
Lane 2: Non-Reducing

SDS-PAGE > 95%, SEC-HPLC > 95%
Scfv with His tag (CHO-S)

M: Protein Marker
Lane 1: Reducing
Lane 2: Non-Reducing

SDS-PAGE > 95%, SEC-HPLC > 95%
RECOMBINANT PROTEIN SERVICES FAQs
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