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Amino acid sequence and domain structure of human beta thymosins. Actin binding domain (red); N-terminal variable domains (blue), and C-terminal variable domains (black) are interconnected by two alpha helixes (gray). (TB4: Thymosin beta-4, TB10: Thymosin beta-10, TB15: Thymosin beta-15. (Source: https://www.ncbi.nlm.nih.gov/Protein; accessed on 20 May 2021)).
