Patent ID: 11959116
Assignee: ASAHI KASEI PHARMA CORPORATION
Field: Biotechnology (Chemistry)
Classification: CPC C | IPC C

Claim 8:
9. A method for producing nicotinamide mononucleotide (NMN), which method comprises:
reacting at least one hypoxanthine phosphoribosyltransferase (HPT, EC 2.4.2.8) in a reaction mixture with phosphoribosyl diphosphate (PRPP) and nicotinamide to produce nicotinamide mononucleotide (NMN) at a concentration of 0.01-500 mM;
wherein said HPT is present in said reaction mixture in an amount of 0.01 U-1000 kU/L and said HPT is present in an amount of at least 90% of any enzymes present in said reaction mixture, wherein said at least 90% indicates enzyme protein weight or a unit of activity for the enzyme.