NCIt definition : A fusion protein encoded by the MLL/SARNP fusion gene. This protein is comprised of
the N-terminal half of the histone-lysine N-methyltransferase MLL protein, including
the AT hook DNA binding domain and the DNA methyltransferase domain, fused to most
of the SAP domain-containing ribonucleoprotein, including the SAP and nuclear localization
domains.;