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Resonance assignment and secondary structure of the middle MA-3 domain and complete tandem MA-3 region of the tumour suppressor protein Pdcd4

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posted on 06.06.2011, 15:28 by Lorna C. Waters, Ojore Oka, Frederick W. Muskett, Sarah L. Strong, Thore Schmedt, Karl-Heinz Klempnauer, Mark D. Carr
Pdcd4 (Programmed Cell Death Protein 4) is a novel eukaryotic tumour suppressor protein, which is involved in the regulation of both transcription and translation (reviewed in Lankat-Buttgereit and Göke 2009). The protein contains two interacting MA-3 domains (MA-3M and MA-3C), which are linked by a short semi-flexible linker region (Waters et al. 2007; Suzuki et al. 2008). The MA-3 domains are involved in mediating specific protein–protein interactions with functional partners such as eIF4A (Yang et al. 2003 ). Here we report essentially complete backbone and side chain 15N, 13C and 1H assignments for a construct composed of the middle MA-3 domain and subsequent linker region (MA-3M) and backbone assignments for the entire tandem MA-3 region of Pdcd4 (Pdcd4 MA-3M-C). Analysis of the backbone chemical shift data obtained indicates that Pdcd4 MA-3M contains eight helical regions corresponding to over 74% of the protein backbone and that Pdcd4 MA-3M-C contains fifteen helical regions (72%). Comparison of the position of these helical regions with those observed in the crystal structures suggests that the solution and crystal structures of both proteins are very similar.

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Citation

Biomolecular NMR Assignments, 2010, 4 (1), pp. 49-53.

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VoR (Version of Record)

Published in

Biomolecular NMR Assignments

Publisher

Springer Verlag

issn

1874-2718

eissn

1874-270X

Copyright date

2009

Available date

06/06/2011

Publisher version

http://link.springer.com/article/10.1007/s12104-009-9205-1

Language

en

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