Among these are SNRPN which stands for Small Nuclear Ribonucleoprotein Polypeptide N and a cluster of snoRNAs, which stands for small nucleolar RNAs; these genes all have protein products that modify other RNAs.

这些基因包括SNRPN基因，即小核核糖核蛋白多肽N基因，以及snoRNAs（核仁小RNA基因簇）；这些基因的蛋白产物可以修饰其它RNA。