ISDA: 9R1D

Deposition Date 2025-04-26

Release Date 2026-01-28

Last Version Date 2026-01-28

Entry Detail

PDB ID:

9R1D

Keywords:

DNA BINDING PROTEIN

Title:

Structure of the H3.V-H4.V variant nucleosome core particle from Trypanosoma brucei

Biological Source:

Source Organism(s):

Trypanosoma brucei brucei TREU927 (Taxon ID: 185431)
synthetic construct (Taxon ID: 32630)

Expression System(s):

Escherichia coli bl21(de3), Escherichia coli

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.21 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Histone H3 variant
Gene (Uniprot):Tb10.61.1090
Chain IDs:A, E
Chain Length:138
Number of Molecules:2
Biological Source:Trypanosoma brucei brucei TREU927

UniProt ID:Q387X7 Pfam ID:PF00125

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Histone H4
Gene (Uniprot):10C8.135
Chain IDs:B, F
Chain Length:99
Number of Molecules:2
Biological Source:Trypanosoma brucei brucei TREU927

UniProt ID:Q587H6

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Histone H2A
Gene (Uniprot):Tb07.13M20.520
Chain IDs:C, G
Chain Length:133
Number of Molecules:2
Biological Source:Trypanosoma brucei brucei TREU927

UniProt ID:Q57YA3 Pfam ID:PF00125, PF16211

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Histone H2B
Gene (Uniprot):Tb10.406.0330, Tb10.406.0350, Tb10.406.0360, Tb10.406.0370, Tb10.406.0380, Tb10.406.0400, Tb10.406.0410, Tb10.406.0420, Tb10.406.0430, Tb10.406.0440, Tb10.406.0450, Tb10.406.0460
Chain IDs:D, H
Chain Length:111
Number of Molecules:2
Biological Source:Trypanosoma brucei brucei TREU927

UniProt ID:Q389T1 Pfam ID:PF00125

Polymer Type:polydeoxyribonucleotide
Molecule:Widom 601 145 bp DNA (115-mer ordered and built)
Chain IDs:I
Chain Length:145
Number of Molecules:1
Biological Source:synthetic construct

Polymer Type:polydeoxyribonucleotide
Molecule:Widom 601 145 bp DNA (115-mer ordered and built)
Chain IDs:J
Chain Length:145
Number of Molecules:1
Biological Source:synthetic construct

Ligand Molecules

Primary Citation

Trypanosome histone variants H3.V and H4.V promote nucleosome plasticity in repressed chromatin

Deak, G, Burdett, H, Watson, J.A, Wilson, M.D.Show

Structure ? ? ? (2026)

Primary Citation of related structures

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