Recombinant Proteins

Recombinant Proteins

arigo offers quality, bioactive human, mouse, more mammalian, and viral proteins. Our recombinant proteins are produced by various expression system with different tags to meet the applications of protein-protein interaction assays, biochemical assays, cell-based functional assays, development of diagnostic reagents, and drug discovery.



  • Multiple Expression Systems: E. coli, Mamalian cells, Insect cells
  • Diverse Tag or Fusion Choices: Tag-free, Avi-tag, other tags, Fc-fusion
  • High Quality: High purity, Low Endotoxin






● SARS-CoV-2 and ACE2

Protein expressed by E. coli Mammalian cell
SARS-CoV-2 Spike protein (S1 subunit) ARG70218 ARG70345
SARS-CoV-2 Spike protein (S1 subunit) (Fc-fused)   ARG70353
SARS-CoV-2 Spike protein (RBD) ARG70219 ARG70343
SARS-CoV-2 Spike protein (RBD) (Fc-fused)   ARG70349
SARS-CoV-2 Nucleocapsid protein ARG70217 ARG70216
SARS-CoV-2 Envelope protein ARG70346  
SARS-CoV-2 ORF8 protein   ARG70356
Human ACE2 protein (Fc-fused)   ARG70225
Human ACE2 protein (ECD) (Fc-fused)   ARG70350

More SARS-CoV-2 products



● Active Cytokines/Chemokines for inflammation

Protein Human Mouse
IL-1 alpha ARG70042 ARG70151
IL-1 beta ARG70028 ARG70152
IL-6 ARG70030 ARG70158
IL-8 ARG70031  
GM-CSF ARG70037 ARG70192
IFN gamma ARG70035  
TNF alpha ARG70034 ARG70041

More inflammatory cytokine products



● Popular therapeutic targets (Mammalian cell expressed)

Human HMGB1 protein (ARG70220)

Human PD-1 protein (ECD) (ARG70235)

Human TIM-3 protein (ECD) (ARG70236)

Human HVEM protein (ECD) (ARG70237)

Human CD48 protein (ECD) (ARG70486)