Posttranslational modifications (relative to human) 
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Speed to protein 
Protein yield 
Organism 
System 
Cells 
Media 
Transfection / Delivery 
Expression vector 
Extraction reagent kit 
Protein Labeling 
Additional products Full Structural biology 
Antibody production Complex proteins Up to 7 days Up to 1 g/L Human Nearly full Biologics development 
Difficult proteins Antbody production Complex proteins Up to 12 days Up to 3 g/L Hamster – Partial Vaccine development 
Virus vectors Intracellular proteins, multi-protein complexes Structural biology Up to 10 days Up to 900 mg/L Moth (Lepidoptera) Partial Industrial enzymes 
Low-complexity proteins Protein-protein interactions Difficult proteins Up to 3 weeks Up to 10 g/L Pichia pastoris PichiaPink™,
EasySelect™ PichiapPINK (LC and HC), pPINKα-HC,
pPICZ A, B & C, pPICZα– None Bacterial proteins 
X-ray crystallography Basic expression Structural biology Up to 5 days Up to 10 mg/L E. coli Champion™ pET, T7,
pBADNone required –