Custom Recombinant Protein Production Service

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CRO Service
Recombinant Protein Production Service
E.coli expression service
Mammalian Transient Protein Expression Service
Yeast expression service
Baculovirus-Insect Cell Protein Expression Service
HEK293/CHO Stable Cell Line Development Service
Antibody Development & Production Service
High-throughput Antibody Production Service+
Mini-scale Antibody Production Service(0.1mg-1mg)
Small-Mid scale Recombinant Antibody Production Service(1mg-100mg)
Large-scale Recombinant Antibody Production Service
Rabbit Monoclonal Antibody Development Service
Mouse Monoclonal Antibody Development Service
Rabbit Polyclonal Antibody Development Service
Hybridoma Cell Culture And Antibody Production Service
Hybridoma Antibody Gene Sequencing Service
Antigen Production Service
ELISA Kit Development Service
Biopharmaceutical Service
Therapeutic Antibody Development Service+
Protein antigen production
Peptide design & synthesis
Mouse monoclonal antibody development
Rabbit monoclonal antibody development
Hybridoma cell culture and antibody production
Monoclonal antibody sequencing
High-throughput antibody production
Antibody Engineering Service+
Chimeric antibody production service
Antibody fragment production service
Bispecific antibody production service
Anti-idiotype antibody development service
Biopharmaceutical Analysis Service
Bioprocess Engineering Service

Custom Recombinant Protein Production Service Features

Over 10 years' experience for 6000+ recombinant proteins production.
One-stop service from gene synthesis and vector construction to protein expression and purification.
Multiple protein expression systems: bacterial, yeast, baculovirus-insect and mammalian expression system.
Multiple purification systems (30+) to choose.
High R & D ability with over 1000 new proteins per year and quick problem-solving ability.
Close to 100 bioreactors with various volume between 2-1000 L to guarantee high-throughput and large-scale production.

Custom Recombinant Protein Production Service Advantages

High-efficiency expression vectors
High cell density culturing
Proprietary medium formulation
>6000 proteins expression and purification experience
Inclusion body refolding & soluble expression
Protein biopharmaceutical technology

Recombinant Protein Production Service Introduction

E.coli expression service


  • • Over 10 years' experience of protein expression
  • • Multiple protein purification and refolding technologies
  • • High-throughput and large-scale protein expression and production
  • • One-stop service from gene to purified protein
  • • Multiple expression vectors and E.coli cells to meet various expression needs

HEK293 / CHO transient expression


  • • High-efficiency expression vectors
  • • Optimized mammalian expression systems
  • • High-throughput and large-scale production
  • • High yield expression with post-translational modification and correct folding
  • • One-stop service from gene sequence to purified protein

Yeast expression service


  • • Over 10 years' experience of protein expression
  • • One-stop service from gene to purified protein
  • • Efficient expression vectors with high yield
  • • High-throughput and large-scale protein production

Baculovirus-insect expression service


  • • High-efficiency expression of intracellular and extracellular proteins
  • • Multiple insect cells: Sf9,Sf21,Hi-5
  • • High-throughput and large-scale protein production
  • • Optimized expression vectors and higher-titre virus packaging

CHO / HEK293 stable cell line development service


  • • Abundant stable cell line development experience
  • • Effectively increase stable cell line productivity and improve experimental results
  • • Integrating all the experimental steps, we provide one-stop service from gene sequence to delivered stable cell line.

Recombinant Protein Production Systems Reference

Categories E.coli Yeast Baculovirus-insect Mammalian
Expression systems protokaryon eukaryon eukaryon eukaryon
Advantages • economical
• quick
• high production
• broad application
• economical
• quick
• high yield
• partial PTM
• large gene capacity
• soluble protein
• suitable for toxic proteins
• PTM similar to mammalian system
• soluble protein
• lower endotoxin
• better bioactivity
• better PTM
• transient & stable expression
Disadvantages • inclusion body
• without PTM
• hard to express large protein
• non-human glycosylation
• high mannose modification
• long cycle
• high cost
• partially lack of glycosylation
• long cycle
• high cost
Application recommendations • bacterial protein
• antigen protein
• cytokine
• enzyme
• cytokine
• small protein
• enzyme
• cytoplasmic protein
• toxic protein
• transmembrane protein
• secretory protein
• kinase
• secretory protein
• extracellular domain of transmembrane protein
• recombinant antibody
• antibody fragment