PWD (PHOSPHOGLUCAN WATER DIKINASE); catalytic. Identical to Phosphoglucan, water dikinase, chloroplast precursor (GWD3) [Arabidopsis Thaliana] (GB:Q6ZY51;GB:O81504;GB:O81505;GB:Q5XMK9;GB:Q84TI8); similar to ATGWD2/GWD3/PWD (PHOSPHOGLUCAN, WATER DIKINASE), ATP binding / kinase [Arabidopsis thaliana] (TAIR:AT4G24450.1); similar to hypothetical protein OsI_036804 [Oryza sativa (indica cultivar-group)] (GB:EAY82845.1); similar to predicted protein [Physcomitrella patens subsp. patens] (GB:EDQ82900.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO45258.1); contains InterPro domain Carbohydrate-binding-like fold; (InterPro:IPR013784)