mRNA capping enzyme family protein. Identical to mRNA cap guanine-N7 methyltransferase 1 [Arabidopsis Thaliana] (GB:Q9LHQ7;GB:Q3EB33); similar to mRNA capping enzyme family protein [Arabidopsis thaliana] (TAIR:AT3G52210.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO39085.1); contains InterPro domain mRNA (guanine-N(7))-methyltransferase (InterPro:IPR016899); contains InterPro domain mRNA capping enzyme, large subunit; (InterPro:IPR004971)