ISDA

Deposition Date 2023-02-11

Release Date 2023-07-05

Last Version Date 2023-11-15

Entry Detail

PDB ID:

8CJ1

Keywords:

CHAPERONE

Title:

Urea-based foldamer inhibitor c3u_3 chimera in complex with ASF1 histone chaperone

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli BL21(DE3)

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.56 Å

R-Value Free:

0.27

R-Value Work:

0.22

R-Value Observed:

0.22

Space Group:

P 21 21 21

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Histone chaperone ASF1A
Gene (Uniprot):ASF1A
Chain IDs:A, B, C, D, E, F, G, H
Chain Length:158
Number of Molecules:8
Biological Source:Homo sapiens

UniProt ID:Q9Y294 Pfam ID:PF04729

Polymer Type:polypeptide(L)
Molecule:c3u_3 chimera inhibitor of histone chaperone ASF1
Chain IDs:I, J, K, L
Chain Length:6
Number of Molecules:4
Biological Source:Homo sapiens

Primary Citation

Unexpected binding modes of inhibitors to the histone chaperone ASF1 revealed by a foldamer scanning approach.

Perrin, M.E, Li, B, Mbianda, J, Bakail, M, Andre, C, Moal, G, Legrand, P, Ropars, V, Douat, C, Ochsenbein, F, Guichard, G.Show

Chem.Commun.(Camb.) 59 8696 8699 (2023)

PMID: 37347155 DOI: 10.1039/d3cc01891a

Abstact

In the search for foldamer inhibitors of the histone chaperone ASF1, we explored the possibility of substituting four α-residues (≈one helix turn) by 3-urea segments and scanned the sequence of a short α-helical peptide known to bind ASF1. By analysing the impact of the different foldamer replacements within the peptide chain, we uncovered new binding modes of the peptide-urea chimeras to ASF1.

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Primary Citation of related structures