(Poly (ADP-Ribose) Polymerase Family, Member 4 (PARP4))
This gene encodes poly(ADP-ribosyl)transferase-like 1 protein, which is capable of catalyzing a poly(ADP-ribosyl)ation reaction. This protein has a catalytic domain which is homologous to that of poly (ADP-ribosyl) transferase, but lacks an N-terminal DNA binding domain which activates the C-terminal catalytic domain of poly (ADP-ribosyl) transferase. Since this protein is not capable of binding DNA directly, its transferase activity may be activated by other factors such as protein-protein interaction mediated by the extensive carboxyl terminus. [provided by RefSeq, Jul 2008].
Zheng, Sumizawa, Che, Tsuyama, Furukawa, Haraguchi, Gao, Gotanda, Jueng, Murata, Akiyama: "Characterization of MVP and VPARP assembly into vault ribonucleoprotein complexes." in: Biochemical and biophysical research communications, Vol. 326, Issue 1, pp. 100-7, (2004) (PubMed).