7yi2

Cryo-EM structure of Rpd3S in loose-state Rpd3S-NCP complex

Method: ELECTRON MICROSCOPY Dmax: 128.5 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Transcriptional regulatory protein SIN3

Saccharomyces cerevisiae S288C

UniProt P22579

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 5 DNA 2 PDB declaration: heptameric(7) Consistent with all polymer counts Chain A; UniProt 1–1536 Not recorded Wisdom 601 DNA (167-MER) × 1 Wisdom 601 DNA (167-MER) × 1 Histone deacetylase RPD3 × 1 (P32561) Chromatin modification-related protein EAF3 × 1 (Q12432) Transcriptional regulatory protein RCO1 × 2 (Q04779) ZN ZINC ION × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

28 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SIN3_YEAST
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–1536; UniProt 1–1536

Histone deacetylase RPD3

Saccharomyces cerevisiae S288C

UniProt P32561

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 5 DNA 2 PDB declaration: heptameric(7) Consistent with all polymer counts Chain B; UniProt 1–433 Not recorded Wisdom 601 DNA (167-MER) × 1 Wisdom 601 DNA (167-MER) × 1 Transcriptional regulatory protein SIN3 × 1 (P22579) Chromatin modification-related protein EAF3 × 1 (Q12432) Transcriptional regulatory protein RCO1 × 2 (Q04779) ZN ZINC ION × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

26 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RPD3_YEAST
Isoform
PDB entities 4
Chains and sequence ranges Author chain B; PDBConstruct 1–433; UniProt 1–433

Chromatin modification-related protein EAF3

Saccharomyces cerevisiae S288C

UniProt Q12432

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 5 DNA 2 PDB declaration: heptameric(7) Consistent with all polymer counts Chain C; UniProt 1–401 Not recorded Wisdom 601 DNA (167-MER) × 1 Wisdom 601 DNA (167-MER) × 1 Transcriptional regulatory protein SIN3 × 1 (P22579) Histone deacetylase RPD3 × 1 (P32561) Transcriptional regulatory protein RCO1 × 2 (Q04779) ZN ZINC ION × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

22 other PDB entries and 23 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name EAF3_YEAST
Isoform
PDB entities 5
Chains and sequence ranges Author chain C; PDBConstruct 1–401; UniProt 1–401

Transcriptional regulatory protein RCO1

Saccharomyces cerevisiae S288C

UniProt Q04779

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Heteromer Protein × 5 DNA 2 PDB declaration: heptameric(7) Consistent with all polymer counts Chain D; UniProt 1–684 Chain E; UniProt 1–684 Not recorded Wisdom 601 DNA (167-MER) × 1 Wisdom 601 DNA (167-MER) × 1 Transcriptional regulatory protein SIN3 × 1 (P22579) Histone deacetylase RPD3 × 1 (P32561) Chromatin modification-related protein EAF3 × 1 (Q12432) ZN ZINC ION × 5 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

16 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RCO1_YEAST
Isoform
PDB entities 6
Chains and sequence ranges Author chain D; PDBConstruct 1–684; UniProt 1–684 Author chain E; PDBConstruct 1–684; UniProt 1–684

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 7yi2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7yi2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7yi2
Deposition date deposition_date2022-07-14
Structure title titleCryo-EM structure of Rpd3S in loose-state Rpd3S-NCP complex
Keywords keywordsDynamic Histone Modifications, Gene Regulation, Histone Deacetylase Complex; GENE REGULATION
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier39.55
Radius of gyration Rg (electron density) rg_electron39.17
Forward intensity I(0) i0479446000.00
Molecular weight molecular_weight173290.0 kDa
Excluded volume excluded_volume214380 ų
Envelope volume envelope_volume296240 ų
Hydration-shell volume shell_volume62111 ų
Envelope diameter envelope_diameter130.1
Shell Rg shell_rg45.76
Envelope Rg envelope_rg38.75
Shape Rg shape_rg39.15
Total Rg total_rg39.63
Total atoms total_atoms12140
Residues n_residues1430
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax128.5
Rg (real space) rg_real39.37
Rg uncertainty (real space) rg_real_error0.97
I(0) (real space) i0_real4.7940e+08
I(0) uncertainty (real space) i0_real_error7.7660e+06
Rg (reciprocal space) rg_reciprocal39.49
I(0) (reciprocal space) i0_reciprocal479500000.0000
Solution quality estimate total_estimate0.8937
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary51.4
Skewness Skewness skewness0.186
Kurtosis Kurtosis kurtosis-0.466
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha69700000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.900; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.916

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id7yi2B01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily20 — Histone deacetylase domain

8. Citations (1)

9. Files and Curves (10)