guanyl ribonucleotide binding | ribonucleoside binding | ribonucleotide binding | nucleotide binding | carbohydrate derivative binding | nucleotidyltransferase activity | catalytic activity | anion binding | purine nucleotide binding | ion binding | organic cyclic compound binding | purine nucleoside binding | purine ribonucleoside triphosphate binding | fucose-1-phosphate guanylyltransferase activity | transferase activity, transferring phosphorus-containing groups | GTP binding | transferase activity | nucleoside binding | purine ribonucleotide binding | heterocyclic compound binding | guanyl nucleotide binding | small molecule binding