9jhg

Cryo-em structure of beta-LG fibril

Method: ELECTRON MICROSCOPY Dmax: 81.5 Å Quality: GOOD

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

Beta-lactoglobulin fibrils

OrganismNot specified

UniProt P02754

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 17–48 Chain B; UniProt 17–48 Chain C; UniProt 17–48 Chain D; UniProt 17–48 Chain E; UniProt 17–48 Chain F; UniProt 17–48 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 2 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.38 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.

101 other PDB entries and 123 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LACB_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–32; UniProt 17–48 Author chain B; PDBConstruct 1–32; UniProt 17–48 Author chain C; PDBConstruct 1–32; UniProt 17–48 Author chain D; PDBConstruct 1–32; UniProt 17–48 Author chain E; PDBConstruct 1–32; UniProt 17–48 Author chain F; PDBConstruct 1–32; UniProt 17–48

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 9jhg

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9jhg
Deposition date deposition_date2024-09-09
最后修订 last_revision2025-09-03
Structure title titleCryo-em structure of beta-LG fibril
Keywords keywordsprotein fribril, nanomaterials, PROTEIN FIBRIL; PROTEIN FIBRIL
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier23.10
Radius of gyration Rg (electron density) rg_electron22.93
Forward intensity I(0) i06656170.00
Molecular weight molecular_weight20533.0 kDa
Excluded volume excluded_volume26489 ų
Envelope volume envelope_volume32467 ų
Hydration-shell volume shell_volume13479 ų
Envelope diameter envelope_diameter79.3
Shell Rg shell_rg27.07
Envelope Rg envelope_rg23.33
Shape Rg shape_rg22.94
Total Rg total_rg23.60
Total atoms total_atoms1434
Residues n_residues192
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 dmax81.5
Rg (real space) rg_real23.45
Rg uncertainty (real space) rg_real_error0.72
I(0) (real space) i0_real6.6560e+06
I(0) uncertainty (real space) i0_real_error8.4570e+04
Rg (reciprocal space) rg_reciprocal23.37
I(0) (reciprocal space) i0_reciprocal6656000.0000
Solution quality estimate total_estimate0.7544
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary17.6
Skewness Skewness skewness0.574
Kurtosis Kurtosis kurtosis-0.414
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1065000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.571; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.314; Smooth: 0.777

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)