| thymosin _ 4 | Small protein (5 kD: 43 residues) found in large amounts in many vertebrate cells (approximately 0.2 mM in neutrophils) and that binds G actin thereby inhibiting polymerisation. (18 Nov 1997) |
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| thymosin | <biochemistry> Peptide (28 amino acids) that restores aspects of immune function in vivo and in vitro. Possibly a thymic hormone. (18 Nov 1997) |
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