B cell specific activator protein, B-cell lineage specific activator, BSAP, paired box 5, paired box homeotic gene 5, Paired box protein Pax-5, PAX5, transcription factor PAX 5,
AX5 May play an important role in B-cell differentiation as well as neural development and spermatogenesis. Involved in the regulation of the CD19 gene, a B-lymphoid-specific target gene. Interacts with DAXX. Binds DNA as a monomer. Binds TLE4.
