4l3o

Crystal Structure of SIRT2 in complex with the macrocyclic peptide S2iL5

Method: X-RAY DIFFRACTION Dmax: 143.9 Å Quality: REASONABLE

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 55–356 Fragment:UNP residues 55-356 cyclic peptide S2iL5 × 1 ZN ZINC ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;277 K;8.5% PEG 4000, 0.1M MES-NaOH, 0.1M Li2SO4, 0.1M NaCl, pH 7.0, vapor diffusion, sitting drop, temperature 277K Resolution 2.52 Å R-free 0.263
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 55–356 Fragment:UNP residues 55-356 cyclic peptide S2iL5 × 1 ZN ZINC ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;277 K;8.5% PEG 4000, 0.1M MES-NaOH, 0.1M Li2SO4, 0.1M NaCl, pH 7.0, vapor diffusion, sitting drop, temperature 277K Resolution 2.52 Å R-free 0.263
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 55–356 Fragment:UNP residues 55-356 cyclic peptide S2iL5 × 1 ZN ZINC ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;277 K;8.5% PEG 4000, 0.1M MES-NaOH, 0.1M Li2SO4, 0.1M NaCl, pH 7.0, vapor diffusion, sitting drop, temperature 277K Resolution 2.52 Å R-free 0.263
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 55–356 Fragment:UNP residues 55-356 cyclic peptide S2iL5 × 1 ZN ZINC ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;277 K;8.5% PEG 4000, 0.1M MES-NaOH, 0.1M Li2SO4, 0.1M NaCl, pH 7.0, vapor diffusion, sitting drop, temperature 277K Resolution 2.52 Å R-free 0.263

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 94 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 1–302; UniProt 55–356 Author chain B; PDBConstruct 1–302; UniProt 55–356 Author chain C; PDBConstruct 1–302; UniProt 55–356 Author chain D; PDBConstruct 1–302; UniProt 55–356

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 4l3o

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4l3o
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4l3o
Deposition date deposition_date2013-06-06
Structure title titleCrystal Structure of SIRT2 in complex with the macrocyclic peptide S2iL5
Keywords keywordsmacrocyclic peptide, structural change, 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_guinier43.95
Radius of gyration Rg (electron density) rg_electron43.70
Forward intensity I(0) i0293398000.00
Molecular weight molecular_weight142250.0 kDa
Excluded volume excluded_volume178640 ų
Envelope volume envelope_volume248550 ų
Hydration-shell volume shell_volume49390 ų
Envelope diameter envelope_diameter145.3
Shell Rg shell_rg46.33
Envelope Rg envelope_rg42.63
Shape Rg shape_rg43.70
Total Rg total_rg43.84
Total atoms total_atoms9967
Residues n_residues1231
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 dmax143.9
Rg (real space) rg_real43.97
Rg uncertainty (real space) rg_real_error1.23
I(0) (real space) i0_real2.9340e+08
I(0) uncertainty (real space) i0_real_error5.1800e+06
Rg (reciprocal space) rg_reciprocal43.95
I(0) (reciprocal space) i0_reciprocal293400000.0000
Solution quality estimate total_estimate0.5974
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary52.0
Skewness Skewness skewness0.190
Kurtosis Kurtosis kurtosis-0.747
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23820000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.912; Stabil: 1.000; Sysdev: 0.032; Positv: 1.000; Valcen: 0.929; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id4l3oA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id4l3oA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1600 — SIR2/SIRT2 'Small Domain'
Homologous superfamily homologous superfamily10 — SIR2/SIRT2 'Small Domain'
Domain ID domain_id4l3oB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id4l3oB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1600 — SIR2/SIRT2 'Small Domain'
Homologous superfamily homologous superfamily10 — SIR2/SIRT2 'Small Domain'
Domain ID domain_id4l3oC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id4l3oC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1600 — SIR2/SIRT2 'Small Domain'
Homologous superfamily homologous superfamily10 — SIR2/SIRT2 'Small Domain'
Domain ID domain_id4l3oD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id4l3oD02
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)