TB-500 vs Thymosin Alpha-1
Two signalling peptides compounds, compared by what each molecule is: class, length, mass, origin and what it binds, side by side. Nothing here compares what either one does.
Specification
Side by side
| TB-500 | Thymosin Alpha-1 | |
|---|---|---|
| Class | Synthetic thymosin beta-4 fragment | Synthetic thymic peptide |
| Residues | 28 | |
| Sizes | 10 mg | 10 mg |
Origin and target
Where each one comes from, and what it binds
TB-500
Origin. A synthetic fragment of thymosin beta-4, a naturally occurring 43-residue protein.
Target. The parent protein is an actin-sequestering protein; the fragment carries the actin-binding motif.
Full referenceThymosin Alpha-1
Origin. A 28-residue peptide corresponding to a fragment of prothymosin alpha, originally isolated from thymus tissue.
Target. Characterised as a thymic peptide; toll-like receptor interaction is described in the literature.
Full referenceRead next
Each one on its own page
Handling
The same for both
Both ship as freeze-dried powder, both mix with bacteriostatic water the same way, and both are stored at minus 20 C out of the light until then. What differs is which breakdown route each sequence is prone to, and the stability guide shows how to read that from the amino acids.
More comparisons
Others in signalling peptides
Documentation
Both tested, both certificates published
Whichever you order, the latest lab certificate is on its product page.

