Structure analysis

Composite cryo-EM structure of the histone deacetylase complex Rpd3S in complex with nucleosome

Electron Microscopy
3.1Å resolution
Assembly composition:
hetero hexadecamer (preferred)
Entry contents: 8 distinct polypeptide molecules
2 distinct DNA molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero hexadecamer
Accessible surface area: 164476.72 Å2
Buried surface area: 100473.96 Å2
Dissociation area: 2,627.03 Å2
Dissociation energy (ΔGdiss): 26.45 kcal/mol
Dissociation entropy (TΔSdiss): 13.7 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-270506

Macromolecules

Chains: A, E
Length: 135 amino acids
Theoretical weight: 15.33 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P84233 (Residues: 2-136; Coverage: 99%)
Pfam: Core histone H2A/H2B/H3/H4

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Chains: B, F
Length: 102 amino acids
Theoretical weight: 11.26 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P62799 (Residues: 2-103; Coverage: 99%)
Pfam: Centromere kinetochore component CENP-T histone fold

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Chains: C, G
Length: 129 amino acids
Theoretical weight: 13.98 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P06897 (Residues: 2-130; Coverage: 99%)
Pfam:

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Chains: D, H
Length: 122 amino acids
Theoretical weight: 13.52 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P02281 (Residues: 5-126; Coverage: 97%)
Pfam: Core histone H2A/H2B/H3/H4

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Chain: K
Length: 1536 amino acids
Theoretical weight: 175.05 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P22579 (Residues: 1-1536; Coverage: 100%)
Gene names: CPE1, GAM2, RPD1, SDI1, SDS16, SIN3, UME4, YOL004W
Pfam:

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Chain: L
Length: 433 amino acids
Theoretical weight: 48.96 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P32561 (Residues: 1-433; Coverage: 100%)
Gene names: MOF6, N0305, REC3, RPD3, SDI2, SDS6, YNL330C
Pfam: Histone deacetylase domain

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Chains: M, O
Length: 401 amino acids
Theoretical weight: 45.27 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q12432 (Residues: 1-401; Coverage: 100%)
Gene names: EAF3, YP9367.03C, YPR023C
Pfam:

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Chains: N, P
Length: 684 amino acids
Theoretical weight: 78.95 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q04779 (Residues: 1-684; Coverage: 100%)
Gene names: RCO1, YM9916.14, YMR075W
Pfam: PHD-finger

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Name: DNA (352-MER)
Representative chains: I
Length: 352 nucleotides
Theoretical weight: 108.34 KDa

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Name: DNA (352-MER)
Representative chains: J
Length: 352 nucleotides
Theoretical weight: 109.08 KDa

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