Biophysical characterization reveals structural disorder in the developmental transcriptional regulator LBH.
Biophysical characterization reveals structural disorder in the developmental transcriptional regulator LBH.
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DOI:
10.1016/j.bbrc.2009.12.032
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发表时间:
2010-01-01
影响因子:
3.1
通讯作者:
Briegel, Karoline J.
中科院分区:
文献类型:
--
作者:
Al-Ali, Hassan;Rieger, Megan E.;Seldeen, Kenneth L.;Harris, Thomas K.;Farooq, Amjad;Briegel, Karoline J.
Limb-bud and heart (LBH) is a key transcriptional regulator in vertebrates with pivotal roles in embryonic development and human disease. Herein, using a diverse array of biophysical techniques, we report the first structural characterization of LBH pertinent to its biological function. Our data reveal that LBH is structurally disordered with no discernable secondary or tertiary structure and exudes rod-like properties in solution. Consistent with these observations, we also demonstrate that LBH is conformationally flexible and thus may be capable of adapting distinct conformations under specific physiological contexts. We propose that LBH is a member of the intrinsically disordered protein (IDP) family, and that conformational plasticity may play a significant role in modulating LBH-dependent transcriptional processes.
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影响因子:
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通讯作者:
Dunker, A. Keith
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Dunker AK