Accession ID Name Pfam Type
PF06479 Ribonuclease 2-5A family

This domain is a endoribonuclease [1]. Specifically it cleaves an intron from Hac1 mRNA in humans, which causes it to be much more efficiently translated.
Pfam Range: 855-978 DPAM-Pfam Range: 852-1024
Uniprot ID: Q5TTF0
Pfam Range: 1117-1244 DPAM-Pfam Range: 1114-1244
Uniprot ID: G0RXT3
Pfam Range: 940-1066 DPAM-Pfam Range: 941-1062
Uniprot ID: G3BE30

References

1: A stress response pathway from the endoplasmic reticulum to the nucleus requires a novel bifunctional protein kinase/endoribonuclease (Ire1p) in mammalian cells. Tirasophon W, Welihinda AA, Kaufman RJ; Genes Dev 1998;12:1812-1824. PMID:9637683