United States Biological's Pab Rb x human AFF4 (AF5q31, AF5Q31, MCEF, AF4/FMR2 Family Member 4, ALL1-fused Gene from Chromosome 5q31 Protein, Major CDK9 Elongation Factor-associated Protein) (FITC) antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot.