ATTPS1 (TREHALOSE-6-PHOSPHATE SYNTHASE); transferase, transferring glycosyl groups. similar to ATTPS2 (Arabidopsis thaliana trehalose-phosphatase/synthase 2), transferase, transferring glycosyl groups [Arabidopsis thaliana] (TAIR:AT1G16980.1); similar to ATTPS3 (Arabidopsis thaliana trehalose-phosphatase/synthase 3), alpha,alpha-trehalose-phosphate synthase (UDP-forming) [Arabidopsis thaliana] (TAIR:AT1G17000.1); similar to ATTPS4 (Arabidopsis thaliana trehalose phosphatase/synthase 4), transferase, transferring glycosyl groups [Arabidopsis thaliana] (TAIR:AT4G27550.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO39484.1); simi