NCIt definition : A fusion protein encoded by the BCR/FGFR1 fusion gene. This protein is comprised of
the coiled-coil domain and Grb2 binding site of breakpoint cluster region protein
followed by the tyrosine kinase domains of the basic fibroblast growth factor receptor
1.;
NCIt note : The BCR/FGFR1 fusion protein is a constitutively dimerized and activated tyrosine
kinase.;