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Title | Structure of H3K36-methylated nucleosome-PWWP complex reveals multivalent cross-gyre binding. |
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Journal, issue, pages | Nat Struct Mol Biol, Vol. 27, Issue 1, Page 8-13, Year 2020 |
Publish date | Dec 9, 2019 |
Authors | Haibo Wang / Lucas Farnung / Christian Dienemann / Patrick Cramer / |
PubMed Abstract | Recognition of histone-modified nucleosomes by specific reader domains underlies the regulation of chromatin-associated processes. Whereas structural studies revealed how reader domains bind modified ...Recognition of histone-modified nucleosomes by specific reader domains underlies the regulation of chromatin-associated processes. Whereas structural studies revealed how reader domains bind modified histone peptides, it is unclear how reader domains interact with modified nucleosomes. Here, we report the cryo-electron microscopy structure of the PWWP reader domain of human transcriptional coactivator LEDGF in complex with an H3K36-methylated nucleosome at 3.2-Å resolution. The structure reveals multivalent binding of the reader domain to the methylated histone tail and to both gyres of nucleosomal DNA, explaining the known cooperative interactions. The observed cross-gyre binding may contribute to nucleosome integrity during transcription. The structure also explains how human PWWP domain-containing proteins are recruited to H3K36-methylated regions of the genome for transcription, histone acetylation and methylation, and for DNA methylation and repair. |
External links | Nat Struct Mol Biol / PubMed:31819277 / PubMed Central |
Methods | EM (single particle) |
Resolution | 3.2 Å |
Structure data | EMDB-10069, PDB-6s01: |
Source |
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Keywords | TRANSCRIPTION / LEDGF / PWWP / H3K36me3 / nucleosome |