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Table 1 Cytotoxic activity and recovered protein concentration of the HPLC ion- exchange fraction pools of C. jejuni extract

From: Application of protein purification methods for the enrichment of a cytotoxin from Campylobacter jejuni

Assayed sample

Fractions pooled

Cytotoxic activity observed

Protein concentration (mg/ml)

Untreated extract

Not applicable

Yes

3.55

Pool A, 0–4 mins

1-4

No

0.0

Pool B, 4–8 mins

5-9

Yes

1.16

Pool C, 8–12 mins

10-14

No

1.65