Anti-elF4E (Phospho-Ser209)

Y011233 by MBP is a rabbit polyclonal antibody detecting eIF4E (EIF4E) phosphorylated at Serine 209, the MNK1/MNK2-dependent site that marks oncogenic cap-dependent translation activation. Predicted MW ~25 kDa. Key pharmacodynamic marker for MNK inhibitor target engagement. Validated for WB, IHC, and ELISA. Human and mouse reactivity. Research Use Only.