>tr|A0A250YD00|A0A250YD00_CASCN Cleavage and polyadenylation specificity factor subunit 5 OS=Castor canadensis GN=NUDT21 MSVVPPNRSQTGWPRGVNQFGNKYIQQTKPLTLERTINLYPLTNYTFGTKEPLYEKDSSV AARFQRMREEFDKIGMRRTVEGVLIVHEHRLPHVLLLQLGTTFFKLPGGELNPGEDEVEG LKRLMTEILGRQDGVLQDWVIDDCIGNWWRPNFEPPQYPYIPAHITKPKEHKKLFLVQLQ EKALFAVPKNYKLVAAPLFELYDNAPGYGPIISSLPQLLSRFNFIYN