RNASET2 and viral infectious disease: T2 RNases are widespread in every organism except Archaea and are involved in a variety of biological processes, including phosphate starvation, viral infection, self‐fertilisation, tumour growth control and cell death (Löffler et al., 1992; Bariola et al., 1994; Meyers et al., 1999; Thompson & Parker, 2009; Ramanauskas & Igić, 2017).