4hd8

Crystal structure of human Sirt3 in complex with Fluor-de-Lys peptide and piceatannol

Method: X-RAY DIFFRACTION Dmax: 66.0 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 116–399 Fragment:UNP residues 116-399 Fluor-de-Lys peptide × 1 ZN ZINC ION × 1 PIT PICEATANNOL × 1 IPA ISOPROPYL ALCOHOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;293 K;200 mM NaCl, 100 mM HEPES pH 7, 10% (v/v) isopropanol, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.30 Å R-free 0.240

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 90 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 1–284; UniProt 116–399

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 4hd8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4hd8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4hd8
Deposition date deposition_date2012-10-02
Structure title titleCrystal structure of human Sirt3 in complex with Fluor-de-Lys peptide and piceatannol
Keywords keywords;NAD-dependent deacetylase, Sirtuin, mitochondrial, inhibitor complex, piceatannol, resveratrol-like compound, HYDROLASE-HYDROLASE INHIBITOR complex ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.64
Radius of gyration Rg (electron density) rg_electron19.41
Forward intensity I(0) i014810300.00
Molecular weight molecular_weight30148.0 kDa
Excluded volume excluded_volume38248 ų
Envelope volume envelope_volume44617 ų
Hydration-shell volume shell_volume19573 ų
Envelope diameter envelope_diameter66.3
Shell Rg shell_rg25.43
Envelope Rg envelope_rg19.46
Shape Rg shape_rg19.36
Total Rg total_rg20.47
Total atoms total_atoms2125
Residues n_residues263
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 dmax66.0
Rg (real space) rg_real20.59
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real1.4810e+07
I(0) uncertainty (real space) i0_real_error2.0130e+05
Rg (reciprocal space) rg_reciprocal20.60
I(0) (reciprocal space) i0_reciprocal14810000.0000
Solution quality estimate total_estimate0.8090
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.299
Kurtosis Kurtosis kurtosis-0.371
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2711000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.838; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id4hd8A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id4hd8A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1600 — SIR2/SIRT2 'Small Domain'
Homologous superfamily homologous superfamily10 — SIR2/SIRT2 'Small Domain'

8. Citations (1)

9. Files and Curves (10)