Cited by 315Protein Structure and DynamicsGenomics and Chromatin DynamicsDNA and Nucleic Acid Chemistry

A new pattern for helix–turn–helix recognition revealed by the PU.l ETS–domain–DNA complex

Kodandapani, Ramadurgam, Pio, Frédéric, Ni, Chao-Zhou, Piccialli, Gennaro, Klemsz, Michael, McKercher, Scott, Maki, Richard A., Ely, Kathryn R.·1996·Nature

Abstract

The Ets family of transcription factors, of which there are now about 35 members regulate gene expression during growth and development. They share a conserved domain of around 85 amino acids which binds as a monomer to the DNA sequence 5'-C/AGGAA/T-3'. We have determined the crystal structure of an ETS domain complexed with DNA, at 2.3-A resolution. The domain is similar to alpha + beta (winged) 'helix-turn-helix' proteins and interacts with a ten-base-pair region of duplex DNA which takes up a uniform curve of 8 degrees. The domain contacts the DNA by a novel loop-helix-loop architecture. Four of amino acids that directly interact with the DNA are highly conserved: two arginines from the recognition helix lying in the major groove, one lysine from the 'wing' that binds upstream of the core GGAA sequence, and another lysine, from the 'turn' of the 'helix-turn-helix' motif, which binds downstream and on the opposite strand.

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Crossref · 10.1038/380456a0

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Authors
Kodandapani, R., Pio, F., Ni, C.-Z., Piccialli, G., Klemsz, M., McKercher, S., Maki, R. A., & Ely, K. R.
Affiliations
  • Sanford Burnham Prebys Medical Discovery Institute (US)
  • University of Naples Federico II (IT)
  • Indiana University School of Medicine (US)
Venue
Nature
Published
1996-04
Volume
380
Issue
6573
Pages
456-460
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1985177466
Cited by
315
References
23
Citations by year
2026: 5 · 2025: 9 · 2024: 2 · 2023: 4 · 2022: 10 · 2021: 6 · 2020: 2 · 2019: 3 · 2018: 6 · 2017: 8 · 2016: 10 · 2015: 7 · 2014: 6 · 2013: 7 · 2012: 7
FWCI
12.37
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
Keywords
ETS transcription factors, ETS domain, DNA-binding domain, helix-turn-helix motif, winged helix-turn-helix, DNA recognition sequence, protein-DNA complex, crystal structure, major groove, transcriptional regulation
MeSH terms
Amino Acid Sequence, Animals, DNA, DNA-Binding Proteins, Humans, Models, Molecular, Molecular Sequence Data, Nucleic Acid Conformation, Protein Binding, Protein Conformation, Retroviridae Proteins, Oncogenic, Sequence Homology, Amino Acid, Crystallography, X-Ray, Helix-Turn-Helix Motifs

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