8twk

Cryo-EM structure of Aldolase collected by EPU on Glacios at 2.6 Angstrom resolution

Method: ELECTRON MICROSCOPY Dmax: 109.8 Å Quality: GOOD

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

Fructose-bisphosphate aldolase A

OrganismNot specified

UniProt P00883

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 2–345 Chain B; UniProt 2–345 Chain C; UniProt 2–345 Chain D; UniProt 2–345 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.60 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.

59 other PDB entries and 62 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ALDOA_RABIT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–344; UniProt 2–345 Author chain B; PDBConstruct 1–344; UniProt 2–345 Author chain C; PDBConstruct 1–344; UniProt 2–345 Author chain D; PDBConstruct 1–344; UniProt 2–345

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 8twk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8twk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8twk
Deposition date deposition_date2023-08-21
Structure title titleCryo-EM structure of Aldolase collected by EPU on Glacios at 2.6 Angstrom resolution
Keywords keywordsAldolase, Glacios, Falcon4, Selectris energy filter, benchmark, glycolytic enzyme, LYASE; LYASE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier34.53
Radius of gyration Rg (electron density) rg_electron33.74
Forward intensity I(0) i0339718000.00
Molecular weight molecular_weight148950.0 kDa
Excluded volume excluded_volume186590 ų
Envelope volume envelope_volume217130 ų
Hydration-shell volume shell_volume52899 ų
Envelope diameter envelope_diameter113.2
Shell Rg shell_rg41.36
Envelope Rg envelope_rg33.76
Shape Rg shape_rg33.75
Total Rg total_rg34.19
Total atoms total_atoms10472
Residues n_residues1372
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 dmax109.8
Rg (real space) rg_real34.41
Rg uncertainty (real space) rg_real_error0.64
I(0) (real space) i0_real3.3970e+08
I(0) uncertainty (real space) i0_real_error5.4310e+06
Rg (reciprocal space) rg_reciprocal34.49
I(0) (reciprocal space) i0_reciprocal339700000.0000
Solution quality estimate total_estimate0.8960
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks0
Primary peak position r_peak_primary
Skewness Skewness skewness0.196
Kurtosis Kurtosis kurtosis-0.478
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha56580000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.922; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.888

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)