Automated description from the Alliance of Genome Resources (Release 3.0)
Predicted to have phosphotyrosine residue binding activity. Involved in negative regulation of B cell activation; negative regulation of adaptive immune response; and negative regulation of peptidyl-tyrosine phosphorylation. Localizes to cytosol and nucleus. Is expressed in several structures, including cardiovascular system; mesonephros; nervous system; sensory organ; and surface ectoderm. Orthologous to human SAMSN1 (SAM domain, SH3 domain and nuclear localization signals 1).