2h2h

The Structural basis of sirtuin substrate specificity

Method: X-RAY DIFFRACTION Dmax: 66.2 Å Quality: GOOD

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

NAD-dependent deacetylase

Thermotoga maritima

UniProt Q9WYW0

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 1–246 Not recorded Histone H4 × 1 (P02309) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9.5;293.15 K;20 % PEG, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K, pH 9.5 Resolution 2.20 Å R-free 0.239

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.

15 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NPD_THEMA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–246; UniProt 1–246

Histone H4

OrganismNot specified

UniProt P02309

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 B; UniProt 75–85 Non-standard monomer:Yes (specific site not provided by mmCIF) NAD-dependent deacetylase × 1 (Q9WYW0) ZN ZINC ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9.5;293.15 K;20 % PEG, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K, pH 9.5 Resolution 2.20 Å R-free 0.239

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 63 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name H4_YEAST
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–11; UniProt 75–85

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 2h2h

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2h2h
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2h2h
Deposition date deposition_date2006-05-18
Structure title titleThe Structural basis of sirtuin substrate specificity
Keywords keywordsH4-K79ac, Hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.04
Radius of gyration Rg (electron density) rg_electron18.88
Forward intensity I(0) i012342600.00
Molecular weight molecular_weight27033.0 kDa
Excluded volume excluded_volume34197 ų
Envelope volume envelope_volume38743 ų
Hydration-shell volume shell_volume17744 ų
Envelope diameter envelope_diameter65.8
Shell Rg shell_rg24.67
Envelope Rg envelope_rg19.00
Shape Rg shape_rg18.82
Total Rg total_rg19.94
Total atoms total_atoms1896
Residues n_residues240
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 dmax66.2
Rg (real space) rg_real20.06
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real1.2340e+07
I(0) uncertainty (real space) i0_real_error1.5310e+05
Rg (reciprocal space) rg_reciprocal20.05
I(0) (reciprocal space) i0_reciprocal12340000.0000
Solution quality estimate total_estimate0.8754
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary22.7
Skewness Skewness skewness0.402
Kurtosis Kurtosis kurtosis-0.273
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2653000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.798; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.987

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_idd2h2ha_
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.31.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id2h2hA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id2h2hA02
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)