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PubMed Central, Fig. 4. : Microbiology. 2011 Nov; 157(Pt 11): 3195–3202. doi:  10.1099/mic.0.052498-0
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Fig. 4.

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Release of free sialic acid from glycoprotein by recombinant NanH (rNanH). Six millimolar fetuin [0.48 µg sialic acid ml−1, fetuin (0.48)], 0.002 mM mucin [0.48 µg sialic acid ml−1, mucin (0.48)] or 6 mM mucin [19 µg sialic acid ml−1, mucin (19)] was incubated in the presence (white bars) and absence (grey bars) of 5 mM of the sialidase inhibitor siastatin B (+sias) at 37 °C for 3 h. A549 was measured after colour development (*statistically significant at P<0.05).

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