TABLE 3.
Growth mediume | Activity (mIU ml−1 OD600−1)b
|
|||
---|---|---|---|---|
Native F. heparinum
|
FIBX6
|
|||
Hc | CSAd | H | CSA | |
1 | 158 ± 12 | 15 ± 1 | 119 ± 19 | 2,376 ± 135 |
2 | 102 ± 10 | 99 ± 10 | 110 ± 7 | 4,057 ± 254 |
3 | <5 | 11 ± 2 | <5 | 16 ± 2 |
4 | 0 ± 6 | 6 ± 2 | 37 ± 11 | 814 ± 54 |
5 | <5 | <5 | <5 | 17 ± 2 |
6 | <5 | <5 | <5 | 11 ± 2 |
7 | 31 ± 3 | 5 ± 1 | 27 ± 2 | 187 ± 21 |
8 | 117 ± 8 | 9 ± 2 | 112 ± 8 | 748 ± 26 |
Values are the average of three separate experiments ± the standard error.
One international unit of heparin- or chondroitin sulfate A- degrading activity is defined as the amount of enzyme that will produce 1 μmol of product per min at 30°C at pH 8.
Substrate heparin.
Substrate chondroitin sulfate A.
Media: 1, FM supplemented with 1% heparin (data taken from Table 2); 2, FM supplemented with 1% chondroitin sulfate A (data taken from Table 2); 3, FM supplemented with 0.4% glucose; 4, FM supplemented with 0.4% glucose and 1% heparin; 5, LB medium; 6, LB medium supplemented with 0.4% glucose; 7, LB medium supplement with 0.4% glucose and 1% heparin; and 8, LB medium supplement with 1% heparin.