NCIt definition : Transcription factor Spi-B (262 aa, 29 kDa) is encoded by the human SPIB gene. This
protein is involved in transcriptional activation.;
NCIt note : Transcription factor Spi-B binds to the PU-box, a purine-rich DNA sequence (5'-GAGGAA-3')
that can act as a lymphoid-specific enhancer. (UniProt);