6zhb

3D electron diffraction structure of bovine insulin

Method: ELECTRON CRYSTALLOGRAPHY Dmax: 48.3 Å Quality: GOOD

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

Insulin

OrganismNot specified

UniProt P01317

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 × 12 PDB declaration: dodecameric(12) Consistent with protein copy count Chain A; UniProt 85–105 Chain B; UniProt 25–54 Chain C; UniProt 85–105 Chain D; UniProt 25–54 Not recorded ZN ZINC ION × 3 ELECTRON CRYSTALLOGRAPHY cryo-EM buffer:pH 6.5;MES buffer, 50 mM cryo-EM vitrification conditions:Cryogen ETHANE;Manual plunger Resolution 3.25 Å R-free 0.319

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.

39 other PDB entries and 86 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name INS_BOVIN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–21; UniProt 85–105 Author chain C; PDBConstruct 1–21; UniProt 85–105 Author chain B; PDBConstruct 1–30; UniProt 25–54 Author chain D; PDBConstruct 1–30; UniProt 25–54

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 6zhb

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6zhb
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6zhb
Deposition date deposition_date2020-06-22
Structure title title3D electron diffraction structure of bovine insulin
Keywords keywordsHORMONE, INSULIN FAMILY, CARBOHYDRATE METABOLISM, HORMONE-GROWTH; HORMONE
Experimental Method methodELECTRON CRYSTALLOGRAPHY

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

Radius of gyration Rg (Guinier) rg_guinier14.74
Radius of gyration Rg (electron density) rg_electron13.54
Forward intensity I(0) i02701230.00
Molecular weight molecular_weight11088.0 kDa
Excluded volume excluded_volume13644 ų
Envelope volume envelope_volume15504 ų
Hydration-shell volume shell_volume10245 ų
Envelope diameter envelope_diameter45.5
Shell Rg shell_rg18.65
Envelope Rg envelope_rg13.77
Shape Rg shape_rg13.51
Total Rg total_rg14.68
Total atoms total_atoms769
Residues n_residues99
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 dmax48.3
Rg (real space) rg_real14.71
Rg uncertainty (real space) rg_real_error0.36
I(0) (real space) i0_real2.7010e+06
I(0) uncertainty (real space) i0_real_error3.2120e+04
Rg (reciprocal space) rg_reciprocal14.71
I(0) (reciprocal space) i0_reciprocal2701000.0000
Solution quality estimate total_estimate0.8777
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.3
Skewness Skewness skewness0.279
Kurtosis Kurtosis kurtosis-0.297
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha281200.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.812; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.975

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)