8bbk

Crystal structure of human Sirt3 in complex with a fragment of the human AROS protein

Method: X-RAY DIFFRACTION Dmax: 112.5 Å Quality: GOOD

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

NAD-dependent protein deacetylase sirtuin-3, mitochondrial

Homo sapiens

UniProt Q9NTG7

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–399 Not recorded Active regulator of SIRT1 × 1 (Q86WX3) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–399 Not recorded Active regulator of SIRT1 × 1 (Q86WX3) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–399 Not recorded Active regulator of SIRT1 × 1 (Q86WX3) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–399 Not recorded Active regulator of SIRT1 × 1 (Q86WX3) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
5 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 1–399 Not recorded Active regulator of SIRT1 × 1 (Q86WX3) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
6 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 1–399 Not recorded Active regulator of SIRT1 × 1 (Q86WX3) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261

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.

43 other PDB entries and 85 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SIR3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–399; UniProt 1–399 Author chain B; PDBConstruct 1–399; UniProt 1–399 Author chain C; PDBConstruct 1–399; UniProt 1–399 Author chain D; PDBConstruct 1–399; UniProt 1–399 Author chain E; PDBConstruct 1–399; UniProt 1–399 Author chain F; PDBConstruct 1–399; UniProt 1–399

Active regulator of SIRT1

Homo sapiens

UniProt Q86WX3

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 1–136 Not recorded NAD-dependent protein deacetylase sirtuin-3, mitochondrial × 1 (Q9NTG7) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain H; UniProt 1–136 Not recorded NAD-dependent protein deacetylase sirtuin-3, mitochondrial × 1 (Q9NTG7) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain I; UniProt 1–136 Not recorded NAD-dependent protein deacetylase sirtuin-3, mitochondrial × 1 (Q9NTG7) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain J; UniProt 1–136 Not recorded NAD-dependent protein deacetylase sirtuin-3, mitochondrial × 1 (Q9NTG7) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
5 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain K; UniProt 1–136 Not recorded NAD-dependent protein deacetylase sirtuin-3, mitochondrial × 1 (Q9NTG7) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261
6 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain L; UniProt 1–136 Not recorded NAD-dependent protein deacetylase sirtuin-3, mitochondrial × 1 (Q9NTG7) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;12 % PEG 8.000, 0.1 M HEPES pH 7.5 and 0.2 M NaCl Resolution 3.27 Å R-free 0.261

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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AROS_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain G; PDBConstruct 1–136; UniProt 1–136 Author chain H; PDBConstruct 1–136; UniProt 1–136 Author chain I; PDBConstruct 1–136; UniProt 1–136 Author chain J; PDBConstruct 1–136; UniProt 1–136 Author chain K; PDBConstruct 1–136; UniProt 1–136 Author chain L; PDBConstruct 1–136; UniProt 1–136

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 8bbk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8bbk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8bbk
Deposition date deposition_date2022-10-13
Structure title titleCrystal structure of human Sirt3 in complex with a fragment of the human AROS protein
Keywords keywordsSirtuin 3, peptide complex, AROS, inhibitor, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.20
Radius of gyration Rg (electron density) rg_electron37.82
Forward intensity I(0) i0491774000.00
Molecular weight molecular_weight185700.0 kDa
Excluded volume excluded_volume234940 ų
Envelope volume envelope_volume314390 ų
Hydration-shell volume shell_volume67578 ų
Envelope diameter envelope_diameter119.5
Shell Rg shell_rg45.49
Envelope Rg envelope_rg36.39
Shape Rg shape_rg37.77
Total Rg total_rg38.50
Total atoms total_atoms13080
Residues n_residues1662
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 dmax112.5
Rg (real space) rg_real38.79
Rg uncertainty (real space) rg_real_error0.60
I(0) (real space) i0_real4.9180e+08
I(0) uncertainty (real space) i0_real_error6.7300e+06
Rg (reciprocal space) rg_reciprocal39.05
I(0) (reciprocal space) i0_reciprocal491900000.0000
Solution quality estimate total_estimate0.8867
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary56.3
Skewness Skewness skewness-0.043
Kurtosis Kurtosis kurtosis-0.477
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha104200000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.925; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.955; Smooth: 0.793

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)