5y5n

Crystal structure of human Sirtuin 2 in complex with a selective inhibitor

Method: X-RAY DIFFRACTION Dmax: 82.1 Å Quality: GOOD

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

NAD-dependent protein deacetylase sirtuin-2

Homo sapiens

UniProt Q8IXJ6

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 34–356 Not recorded ZN ZINC ION × 1 8NO 2-[[3-(2-phenylethoxy)phenyl]amino]benzamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;289 K;0.1M Bis-Tris buffer pH 5.5 15%(w/v) PEG5000 MME Resolution 2.30 Å R-free 0.252

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.

77 other PDB entries and 97 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SIR2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–336; UniProt 34–356

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 5y5n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5y5n
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id5y5n
Deposition date deposition_date2017-08-09
Structure title titleCrystal structure of human Sirtuin 2 in complex with a selective inhibitor
Keywords keywordsPseudopeptides, Anticancer activity, Neurite outgrowth, HYDROLASE-INHIBITOR complex; HYDROLASE/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.55
Radius of gyration Rg (electron density) rg_electron21.63
Forward intensity I(0) i018294900.00
Molecular weight molecular_weight32991.0 kDa
Excluded volume excluded_volume41534 ų
Envelope volume envelope_volume50066 ų
Hydration-shell volume shell_volume20320 ų
Envelope diameter envelope_diameter82.7
Shell Rg shell_rg27.38
Envelope Rg envelope_rg22.24
Shape Rg shape_rg21.62
Total Rg total_rg22.46
Total atoms total_atoms2316
Residues n_residues288
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 dmax82.1
Rg (real space) rg_real22.69
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real1.8290e+07
I(0) uncertainty (real space) i0_real_error2.5240e+05
Rg (reciprocal space) rg_reciprocal22.65
I(0) (reciprocal space) i0_reciprocal18290000.0000
Solution quality estimate total_estimate0.8284
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.6
Skewness Skewness skewness0.592
Kurtosis Kurtosis kurtosis0.153
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3224000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.630; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.882; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd5y5na_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.31 — DHS-like NAD/FAD-binding domain
Superfamily Superfamily superfamilyc.31.1 — DHS-like NAD/FAD-binding domain
Family Family familyc.31.1.5 — Sir2 family of transcriptional regulators

CATH v4.4 (2 domains)

Domain ID domain_id5y5nA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id5y5nA02
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)