S100A2(redirected from S100 calcium binding protein A2)
S100A2A gene on chromosome 1q21 that encodes a member of the S100 family of proteins, which have 2 EF-hand calcium-binding motifs. S100 proteins are localised in the cytoplasm and/or nucleus of a wide range of cells; they are involved in regulating cell cycle progression and differentiation and other intracellular activities. The S100A2-encoded protein is thought to have tumour suppressor activity.
Gene rearrangements and altered expression of S100A2 have been implicated in breast cancer.