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. 2012 Aug 6;11:102. doi: 10.1186/1475-2859-11-102

Table 2.

Thermostability of enzyme variants from each generation

Generation Variant t1/2(min, at 60°C) Fold Improvement
0
parent
4.0
1.0
1
ep 1-1
9.8
2.4
 
ep 1-26
8.7
2.2
2
ep 2-3
11.3
2.8
 
ep 2-4
21.7
5.4
 
ep 2-8
14.4
3.6
 
ep 2-12
13.5
3.4
3
S 3-1
38.8
9.7
 
S 3-4
58.9
13.9
 
S 3-18
48.0
12.0
4
S 4-3
184.0
46.0
 
S 4-13
168.3
42.1
  S 4-20 159.5 40.0