Henri Kontinen is currently ranked highly for doubles in tennis.
In enzymology , a ribose-5-phosphate adenylyltransferase is an enzyme that catalyzes the chemical reaction. enzymology. enzymology. enzyme. enzyme. catalyzes. catalysis. chemical reaction. chemical reaction. phosphate. phosphate. ADP + D-ribose 5-phosphate phosphate + ADP-ribose. ADP. adenosine diphosphate. D-ribose 5-phosphate. D-ribose 5-phosphate. phosphate. phosphate. ADP-ribose. ADP-ribose. Thus , the two substrates of this enzyme are ADP and D-ribose 5-phosphate , whereas its two products are phosphate and ADP-ribose .. enzyme. enzyme. substrates. substrate ( biochemistry ). ADP. adenosine diphosphate. D-ribose 5-phosphate. D-ribose 5-phosphate. products. product ( chemistry ). phosphate. phosphate. ADP-ribose. ADP-ribose. This enzyme belongs to the family of transferases , specifically those transferring phosphorus-containing nucleotide groups -LRB- nucleotidyltransferases -RRB- .. enzyme. enzyme. nucleotide. nucleotide. The systematic name of this enzyme class is ADP  :D - ribose-5-phosphate adenylyltransferase .. enzyme. enzyme. ADP. adenosine diphosphate. phosphate. phosphate. systematic name. List of enzymes. Other names in common use include ADP ribose phosphorylase , and adenosine diphosphoribose phosphorylase .. ADP. adenosine diphosphate