The AF4/FMR2 Family, Member 1 ELISA kits listed below are analytical tools for measuring concentrations of AF4/FMR2 Family, Member 1 in various samples. AF4/FMR2 Family, Member 1 is an alternative name for the human AFF1 gene, which encodes the protein, ALF transcription elongation factor 1. It has been mentioned that AF4/FMR2 Family, Member 1 plays a role in the regulation of gene expression, among other functions. Structurally, the AFF1 protein is 1210 amino acid residues in length and 131.4 kilodaltons in mass. However, as many as 3 protein isoforms have been identified. It is localized to the nucleus of the cell. Other names for this target antigen include AF4, FEL, and MLLT2. Click on the following ELISA kits for more detailed information, including target reactivity and assay sensitivity.