Table 3. Thermodynamic parameters for irreversible thermal inactivation of protease 1147.

The parameters were measured after 120 min incubation at various temperatures, and the values obtained at 60°C compared with other studied thermostable proteases.

Parameters	kin (m-1)	t1/2 (min)	D value (min/m-1)	Ea# (kJ/mol)	ΔH# (kJ/mol)	ΔG# (kJ/mol)	ΔS# (JmolK-1)	Ref.
Temperature								This study
60°C	2.10 × 10−3	330.07	1318.52	50.31	47.54	98.71	154.70
70°C	8.70 × 10−3	79.67	327.82		47.54	97.83	147.60
80°C	10.40 × 10−3	66.65	282.23		47.37	100.27	149.85
90°C	17.10 × 10−3	40.53	176.51		47.28	101.56	149.51
100°C	31.20 × 10−3	22.27	99.40		47.20	102.52	148.29
Other thermostable proteases
60°C	39 × 10−3	7.95 (h)	59.05	105.50	140.23	90.84	148.31	[25]
60°C	12.40 × 10−3	45	-	34.34	31.12	93.17	-184.75	[26]
60°C	4.41 × 10−3	82.42	4.56 (h)	20.96	6.36	92.23	-0.26	[27]
60°C	27.51 × 10−3	25.19	-	91.80	111.26	113.92	57.03	[28]
60°C	15.83 × 10−3	19.62	155.6	187.4	184.63	68.15	349.79	[29]
60°C	19.50 × 10−3	35.54	-	93.81	91.14	92.76	-8.39	[30]
60°C	35 × 10−3	19.80	65.80	37.19	34.42	102.53	-204.43	[31]
60°C	50 × 10−3	34	-	69	66.98	90.2	-69.5	[32]