ATPRMT5/PRMT5/SKB1 (SHK1 BINDING PROTEIN 1); protein methyltransferase. Identical to Protein arginine N-methyltransferase 5 (PMRT5) [Arabidopsis Thaliana] (GB:Q8GWT4;GB:Q9M090); similar to unnamed protein product [Vitis vinifera] (GB:CAO43995.1); similar to Protein arginine N-methyltransferase 5 (Shk1 kinase-binding protein 1 homolog) (GB:A2X0Q3); similar to protein arginine N-methyltransferase [Physcomitrella patens subsp. patens] (GB:EDQ61677.1); contains InterPro domain Skb1 methyltransferase; (InterPro:IPR007857)