Expressed in brain and embryonic stem (ES) cells (at protein level). Expressed in the brain, ovary, testis, liver, heart, kidney and muscle. Encoded on a bicistronic transcript that code for two proteins, SNRPN and SNURF. Only the primary 1.6-kb bicistronic SNURF-SNRPN transcript is detected. Belongs to the SNURF family.