C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 9/02 (2006.01) C12P 17/18 (2006.01) C12Q 1/32 (2006.01)
Patent
CA 2137548
A morphinone reductase enzyme having the characteristics: (1) with the NADH cofactor it reduces morphinone to hydromorphone; (2) with the same cofactor it also reduces codeinone and neopinone but has no significant enzymatic activity in the reverse direction; (3) it has a molecular weight of about 81,000, as determined by gel filtration; and (4) in phosphate buffer it exhibits maximal activity at pH about 8Ø
Bruce Neil Charles
French Christopher Edward
Hailes Anne Maria
Borden Ladner Gervais Llp
Macfarlan Smith Limited
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