Heterotetramer composed of subunits of 125 kDa, 50 kDa, 66 kDa and 12 kDa. Interacts with KCTD10 (By similarity). Interacts with KCTD13/POLDIP1, POLDIP2 and POLDIP3. Interacts with WRNIP1. Interacts with POLD4.
亚细胞定位
Nucleus.
相似性
Belongs to the DNA polymerase delta/II small subunit family.
功能
The function of the small subunit is not yet clear.