TABLE 3.
Rates of sugar permeation through various E. coli porins
| Sugar | Mean rate ± SDa
|
|||
|---|---|---|---|---|
| OmpN | OmpC | OmpF | PhoE | |
| Glucose | 74 ± 5 | 67 ± 5 | 73 ± 2 | 61 ± 6 |
| Galactose | 87 ± 6 | 84 ± 6 | 90 ± 6 | 69 ± 3 |
| Mannose | 79 ± 5 | 72 ± 5 | 79 ± 5 | 58 ± 3 |
| Fructose | 81 ± 5 | 71 ± 4 | 81 ± 4 | 70 ± 4 |
| GluNAc | 51 ± 6 | 44 ± 5 | 58 ± 7 | 32 ± 8 |
| Sucrose | 5 ± 3 | ND | 3 ± 3 | ND |
| Lactose | 6 ± 5 | ND | 7 ± 2 | 5 ± 4 |
| Melibiose | 5 ± 4 | ND | 2 ± 1 | ND |
| Maltose | 3 ± 3 | ND | 6 ± 2 | ND |
| Maltotriose | 4 ± 3 | ND | 4 ± 4 | ND |
a
Expressed as a percentage of the value for arabinose. Standard deviations correspond to at least 10 measurements with three different liposome preparations. ND, not detectable by the method used.