100+ Chromatin remodeling complexes PowerPoint (PPT) Presentations, Chromatin remodeling complexes PPTs

Chromatin remodeling complexes - PowerPoint PPT Presentation

Biol/Chem 473

Biol/Chem 473. Schulze lecture 8: Chromatin remodelling. Spreading of heterochromatin in flies (and humans!). K9 of H3 (H3K9me). Spreading of silenced chromatin on a homeotic gene. E(z) (SET). K27 of H3 H3K27me. Polycomb. Polycomb. Polycomb. Polycomb-complexed chromatin.

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634 views • 38 slides

Chromatin Remodeling

Chromatin Remodeling. Levels of chromatin organization. 300 nm fiber. nucleosome arrays. Structure of the nucleosome: problems of accessibility for DNA-binding proteins. Histone cores are predominantly alpha helical. Luger et al. (1997) Nature 389, 251.

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555 views • 28 slides

Controlling Chromatin Structure

Controlling Chromatin Structure. Why? It is related to gene expression and regulation. Transcription. in vitro in vivo. DNA TFs RNA polymerase nucleosomes. DNA TFs RNA polymerase. Model ?. 1-Equilibrium model: prokaryotes ( limited energy)

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338 views • 27 slides

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Chromatin remodeling complexes - PowerPoint PPT Presentation

Biol/Chem 473

Chromatin Remodeling

Controlling Chromatin Structure