similar to unknown protein [Arabidopsis thaliana] (TAIR:AT4G28760.2); similar to unknown protein [Arabidopsis thaliana] (TAIR:AT4G28760.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO18092.1); contains domain PHOSPHATIDYLINOSITOL N-ACETYLGLUCOSAMINYLTRANSFERASE SUBUNIT P (DOWN SYNDROME CRITICAL REGION PROTEIN 5)-RELATED (PTHR21726)