9ukz

dihydrolipoyl acetyl transferase (E2) inner core of the pyruvate dehydrogenase complex

Method: ELECTRON MICROSCOPY Dmax: 81.4 Å Quality: EXCELLENT

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

Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex

Geobacillus stearothermophilus

UniProt P11961

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 homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 185–426 Chain B; UniProt 185–426 Chain C; UniProt 185–426 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 7 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 4.20 Å

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.

16 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ODP2_GEOSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–242; UniProt 185–426 Author chain B; PDBConstruct 1–242; UniProt 185–426 Author chain C; PDBConstruct 1–242; UniProt 185–426

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 9ukz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ukz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9ukz
Deposition date deposition_date2025-04-18
最后修订 last_revision2026-04-29
Structure title titledihydrolipoyl acetyl transferase (E2) inner core of the pyruvate dehydrogenase complex
Keywords keywordsPDC, dihydrolipoyl acetyl transferase, E2 complex, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier27.34
Radius of gyration Rg (electron density) rg_electron26.46
Forward intensity I(0) i059028800.00
Molecular weight molecular_weight47970.0 kDa
Excluded volume excluded_volume55210 ų
Envelope volume envelope_volume103350 ų
Hydration-shell volume shell_volume33309 ų
Envelope diameter envelope_diameter83.3
Shell Rg shell_rg33.42
Envelope Rg envelope_rg25.51
Shape Rg shape_rg26.44
Total Rg total_rg27.35
Total atoms total_atoms3426
Residues n_residues693
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 dmax81.4
Rg (real space) rg_real27.14
Rg uncertainty (real space) rg_real_error0.39
I(0) (real space) i0_real5.9030e+07
I(0) uncertainty (real space) i0_real_error7.9200e+05
Rg (reciprocal space) rg_reciprocal27.20
I(0) (reciprocal space) i0_reciprocal59030000.0000
Solution quality estimate total_estimate0.9091
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary80.0
Skewness Skewness skewness0.101
Kurtosis Kurtosis kurtosis-0.526
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22420000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.956; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.968

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)