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. 2010 Feb 22;10:33. doi: 10.1186/1471-2229-10-33

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Copyright ©2010 Wengier et al; licensee BioMed Central Ltd.

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

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Characterization of the LePRK2 dephosphorylating activity in tobacco style extracts. A, Pollen microsomal fractions (15 μg) were incubated for 10 min with [gamma-³²P]-ATP in buffer without (lane 1) or with (lane 2) tobacco style extract proteins (340 μg), or with (lane 3) tomato style exudate proteins (190 μg), then separated by SDS-PAGE, blotted onto nitrocellulose and subjected to autoradiography (top panel, ³²P), then incubated with anti-LePRK2 antibody (bottom panel, Western Blot). The position of LePRK2 is indicated by arrows. B, Dephosphorylation activity after chloroform extraction of style extracts. Lane 1, aqueous phase; lane 2, interface; and lane 3, organic phase. The position of LePRK2 is indicated by an arrow.