Sino Biological Recombinant Human TNF-alpha Protein (Trimer), MALS-verified
- Human TNF-α
- E. coli
- Val77–Leu233 trimer
Trimer verified by SEC-MALS, purity ≥95% by SDS-PAGE, endotoxin below 5 EU per mg of protein (LAL method).
Recombinant proteins, antigens and peptide pools for drug discovery and immunology. Tell us the protein, species and expression host — our technical team checks our principal suppliers and comes back with availability and pricing.
Protein classes, species and expression hosts covered across our partners’ ranges.
Tags (His, GST, FLAG, Myc and others) — mention yours in the form.

Selected from our partners’ ranges for this category.
Sino Biological Trimer verified by SEC-MALS, purity ≥95% by SDS-PAGE, endotoxin below 5 EU per mg of protein (LAL method).
Gemini Bio cGMP-grade human interleukin-2 for cell therapy and translational work; GMP IL-7, IL-15, IL-21 and FLT3 ligand are also available.
Chondrex Highly purified native collagen (>99% by SDS-PAGE) for immunizing rodents in the collagen-induced arthritis (CIA) model or for antibody production.
Mabtech Peptide pool for studying immune responses to CMV in ELISpot, FluoroSpot and flow cytometry, inducing cytokine secretion in antigen-specific CD4 and CD8 T cells.
Recombinant proteins
Recombinant protein manufacturer expressing proteins in insect and mammalian cells, each tested for purity and bioactivity.
Research, animal-free and cGMP grade recombinant growth factors and cytokines.
Ovalbumin, house dust mite and crude peanut extracts, and type II collagen for disease models.
Peptide pools to stimulate antigen-specific T cells in ELISpot and FluoroSpot assays.
Proteins and peptides ship cold-chain on ice packs or dry ice; storage is on each datasheet.
Lead time depends on supplier stock and is confirmed with your quote.
Store as per the datasheet straight away. Aliquot on first thaw to avoid repeated freeze–thaw.
INR pricing available. GST invoice provided with every order.
suppliers test each protein for purity and bioactivity; datasheets give lot-specific data.