The function of Ensembl gene identifier ENSG00000158427 (TMSB15B, thymosin beta 15B) is as follows. Plays an important role in the organization of the cytoskeleton. Binds to and sequesters actin monomers (G actin) and therefore inhibits actin polymerization (By similarity). May be involved in cell migration (PubMed:19296525). .