1.7.1.3 - - half-life: 36 h 395979 1.7.1.3 10 - quite stable for at least 24 h 395977 1.7.1.3 20 60 purified native nitrate reductase, pH 7.2, maintaining 50% of its original activity 741637 1.7.1.3 25 - half-life: 12 h 395979 1.7.1.3 25 - wild-type half-life: 120 min 395967 1.7.1.3 30 - wild-type half-life: 66 min 395967 1.7.1.3 35 - wild-type half-life: 18.8 min, various temperature sensitive mutant strains: 3.8-18.7 min 395967 1.7.1.3 37 - absence of FAD, rapid loss of activity, decreases to 50% in less than 20 min 395971 1.7.1.3 37 - half-life: 20 min 395979 1.7.1.3 37 - wild-type half-life: 14.5 min 395967