VTC5; galactose-1-phosphate guanylyltransferase (GDP). similar to VTC2 (VITAMIN C DEFECTIVE 2) [Arabidopsis thaliana] (TAIR:AT4G26850.1); similar to VTC2-like protein [Actinidia chinensis] (GB:ABP65665.1); contains domain PTHR20884 (PTHR20884); contains domain PTHR20884:SF3 (PTHR20884:SF3)