ZPR1 is essential for survival and is required for localization of the survival motor neurons (SMN) protein to Cajal bodies.
Gangwani L, Flavell RA, Davis RJ. ZPR1 is essential for survival and is required for localization of the survival motor neurons (SMN) protein to Cajal bodies. Mol Cell Biol. 2005 Apr; 25(7):2744-56.