The function of this domain is unknown [1]. It is usually found in combination with Pfam:PF07528.

1: Systematic identification of novel protein domain families associated with nuclear functions. Doerks T, Copley RR, Schultz J, Ponting CP, Bork P; Genome Res 2002;12:47-56. PMID:11779830

2: Comprehensive classification of nucleotidyltransferase fold proteins: identification of novel families and their representatives in human. Kuchta K, Knizewski L, Wyrwicz LS, Rychlewski L, Ginalski K; Nucleic Acids Res. 2009; [Epub ahead of print] PMID:19833706

3: NF45 dimerizes with NF90, Zfr and SPNR via a conserved domain that has a nucleotidyltransferase fold. Wolkowicz UM, Cook AG; Nucleic Acids Res. 2012;40:9356-9368. PMID:22833610

4: Nuclear factor 90 uses an ADAR2-like binding mode to recognize specific bases in dsRNA. Jayachandran U, Grey H, Cook AG; Nucleic Acids Res. 2016;44:1924-1936. PMID:26712564