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. 2008 Aug;59(11):3187–3201. doi: 10.1093/jxb/ern175

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© 2008 The Author(s).

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

This paper is available online free of all access charges (see http://jxb.oxfordjournals.org/open_access.html for further details)

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Fig. 5. — Native NaStEP from N. alata stigmas and serine proteinase inhibitor activity assay. Purified HPLC fractions (29–36) of NaStEP were resolved by SDS–PAGE. (a) Proteins present in the HPLC fractions were transferred onto nitrocellulose and immunostained with the anti-NaStEP antibody. (b) Silver-stained proteins. (c) Inhibitory activity gel assay against trypsin. A 3 μg aliquot of the soybean trypsin inhibitor (STI) was run as a positive control. (d) A silver-stained replicate of the inhibitory activity assay gel.