H-1, C-13 and N-15 resonance assignment of a 114-residue fragment of Engrailed 2 homeoprotein, a partially disordered protein

Engrailed 2 is a transcription factor belonging to the class of homeoproteins. These proteins possess a 60-residue DNA binding globular domain and play an important role in the early stages of development. We expressed and purified a 13.4 kDa fragment of Engrailed 2, which comprises a 54-residue N-terminal extension in addition to the homeodomain region. Almost all backbone and side-chain resonances have been assigned. The weak dispersion in the proton dimension of the H-1-N-15 HSQC spectrum indicates the presence of disordered regions that do not belong to the homeodomain. This work is a first step toward the NMR investigation of the structure and dynamics of Engrailed 2 protein that contains a well-structured globular domain and partially disordered regions.


Published in:
Biomolecular Nmr Assignments, 5, 229-231
Year:
2011
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 Record created 2011-12-16, last modified 2018-03-17

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