RRP45a AT3G12990 ribonuclease PH45A ribonuclease PH45A (RRP45a); CONTAINS InterPro DOMAIN/s: Exoribonuclease, phosphorolytic domain 2 (InterPro:IPR015847), Exoribonuclease, phosphorolytic domain 1 (InterPro:IPR001247), Ribosomal protein S5 domain 2-type fold (InterPro:IPR020568); BEST Arabidopsis thaliana protein match is: 3'-5'-exoribonuclease family protein (TAIR:AT3G60500.3); Has 1192 Blast hits to 1192 proteins in 317 species: Archae - 241; Bacteria - 12; Metazoa - 352; Fungi - 188; Plants - 158; Viruses - 0; Other Eukaryotes - 241 (source: NCBI BLink).