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Cited by 329

The DOI matches its Crossref record; 59 of the 59 references it cites were found in a registry or an index.

Local Structural Elements in the Mostly Unstructured Transcriptional Activation Domain of Human p53

Open access
Lee, Hyun, Mok, K. Hun, Muhandiram, Ranjith, Park, Kyu-Hwan, Suk, Jae-Eun, Kim, Do-Hyung, Chang, Jun, Sung, Young Chul, Choi, Kwan Yong, Han, Kyou-Hoon·2000·Journal of Biological Chemistry

Abstract

DNA transcription is initiated by a small regulatory region of transactivators known as the transactivation domain. In contrast to the rapid progress made on the functional aspect of this promiscuous domain, its structural feature is still poorly characterized. Here, our multidimensional NMR study reveals that an unbound full-length p53 transactivation domain, although similar to the recently discovered group of loosely folded proteins in that it does not have tertiary structure, is nevertheless populated by an amphipathic helix and two nascent turns. The helix is formed by residues Thr(18)-Leu(26) (Thr-Phe-Ser-Asp-Leu-Trp-Lys-Leu-Leu), whereas the two turns are formed by residues Met(40)-Met(44) and Asp(48)-Trp(53), respectively. It is remarkable that these local secondary structures are selectively formed by functionally critical and positionally conserved hydrophobic residues present in several acidic transactivation domains. This observation suggests that such local structures are general features of acidic transactivation domains and may represent "specificity determinants" (Ptashne, M., and Gann, A. A. F. (1997), Nature 386, 569-577) that are important for transcriptional activity.

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Metadata

Authors
Lee, H., Mok, K. H., Muhandiram, R., Park, K.-H., Suk, J.-E., Kim, D.-H., Chang, J., Sung, Y. C., Choi, K. Y., & Han, K.-H.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2000-09
Volume
275
Issue
38
Pages
29426-29432
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1988565419
Cited by
329
References
59
FWCI
1.92
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Local Structural Elements in the Mostly Unstructured Transcriptional Activation Domain of Human p53. https://app.cochat.ai/papers/10.1074/jbc.m003107200
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Lee, H., Mok, K. H., Muhandiram, R., Park, K.-H., Suk, J.-E., Kim, D.-H., Chang, J., Sung, Y. C., Choi, K. Y., & Han, K.-H. (2000). Local Structural Elements in the Mostly Unstructured Transcriptional Activation Domain of Human p53. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m003107200

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