A2BP1 (E8R9Z) Rabbit Monoclonal Antibody #62263

Ataxin-2-binding protein 1 (A2BP1) is part of the RNA-binding Fox (RBFOX) family of splicing factors, which is composed of three members, RBFOX1 (Fox-1 or A2BP1), RBFOX2 (Fox-2 or RBM9), and RBFOX3 (Fox-3, HRNBP3, or NeuN). RBFOX proteins regulate splicing of many neuronal transcripts by binding the sequence (U)GCAUG in mRNA precursors (1). Human A2BP1 was first identified through its interaction with Ataxin-2, the protein mutated in spinocerebellar ataxia type II. It has since been shown to play a role in the etiology of autism spectrum disorder (ASD) (1,2). Impaired A2BP1 function was found to cause abnormal corticogenesis during brain development. The abnormal process may underlie the basic pathophysiology of ASD and other neurodevelopmental disorders and may contribute to the emergence of the clinical symptoms of patients with RBFOX1 gene abnormalities (3). The expression of A2BP1 is restricted to neurons, heart, and muscle (1,4).