PABPC4 Polyclonal Antibody for Western Blot, ICC/IF, IHC (P), IP Poly(A)-binding proteins (PABPs) bind to the poly(A) tail present at the 3-prime ends of most eukaryotic mRNAs. PABPC4 or IPABP (inducible PABP) was isolated as an activation-induced T-cell