ADG2 (ADPG PYROPHOSPHORYLASE 2); glucose-1-phosphate adenylyltransferase. Identical to Glucose-1-phosphate adenylyltransferase large subunit 1, chloroplast precursor (ADG2) [Arabidopsis Thaliana] (GB:P55229;GB:O04929;GB:Q9SXS1); similar to APL2 (large subunit of AGP 2) [Arabidopsis thaliana] (TAIR:AT1G27680.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO71117.1); similar to ADP-glucose pyrophosphorylase [Cicer arietinum] (GB:AAK27718.1); similar to ADP-glucose pyrophosphorylase large subunit [Brassica rapa subsp. pekinensis] (GB:AAK27685.1); contains InterPro domain ADP-glucose pyrophosphorylase, conserved site; (InterPro:IPR