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. 2004 Dec 7;384(Pt 3):609–617. doi: 10.1042/BJ20041102

Table 1. Relative permeability rates of antibiotics through Omp38 porins.

Permeability rates of antibiotics were calculated relative to the rate of L-arabinose (Mr 150), which was set to 100%.Values given as mean values±S.D. are obtained from three independent assays, and liposomes with BSA and liposomes without any protein were used as negative controls.

Permeability rate (%)
Antibiotic Mr Native BpsOmp38 Refolded BpsOmp38
Amikacin 782 0 0
Gentamicin 709 0 0
Ceftazidime 637 <1 <1
Cefepime 572 4±1.6 5±0.5
Clindamycin 505 8±0.9 8±0.5
Ciprofloxacin 421 15±0.9 15±0.9
Meropenem 383 20±0.5 20±0.5