PeptideDB

Thymosin β4

CAS No.: 77591-33-4

Thymosin β4 is a naturally occuring, potent regulator of actin polymerization present in human platelets at a concentra
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CAS 77591-33-4
Sequence Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH
Sequence Single Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES
Molecular Formula C212H350N56O78S
Molecular Weight 4963.49
Technology Synthetic
Storage -20°C, avoid light, cool and dry place
Description Thymosin β4 is a naturally occuring, potent regulator of actin polymerization present in human platelets at a concentration of 200 - 500 μM. Thymosin β4 can sequesters G-actin monomers in a 1:1 ratio (Kd = 0.7 - 1.0 μM) and allow rapid filament polymerization in the presence of profilin. Thymosin β4 implicated in wound healing, induction of MMPs, chemotaxis, angiogenesis, inflammatory processes and tumor progression.
References 1.  Thymosin β10 and thymosin β4 are both actin monomer sequestering proteins. Yu et al (1993). J.Biol.Chem. 268 502 PMID: 8416954 2.  β-thymosins, small acidic peptides with multiple functions. Huff et al (2001). Int.J.Biochem.Cell Biol. 33 205 PMID: 11311852 3.  Thymosin β4 and angiogenesis: modes of action and therapeutic potential. Smart et al (2007). Angiogenesis 10 229 PMID: 17632766