6sht

Molecular structure of mouse apoferritin resolved at 2.7 Angstroms with the Glacios cryo-microscope

Method: ELECTRON MICROSCOPY Dmax: 70.4 Å Quality: GOOD

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

Ferritin heavy chain

Mus musculus

UniProt P09528

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 × 24 PDB declaration: 24-meric(24) Consistent with protein copy count Chain A; UniProt 1–182 Not recorded FE FE (III) ION × 24 MG MAGNESIUM ION × 24 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.73 Å R-free 0.254

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.

26 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FRIH_MOUSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–182; UniProt 1–182

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 6sht

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6sht
Deposition date deposition_date2019-08-08
Structure title titleMolecular structure of mouse apoferritin resolved at 2.7 Angstroms with the Glacios cryo-microscope
Keywords keywordsApoferritin, iron binding, iron storing, complex, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier19.55
Radius of gyration Rg (electron density) rg_electron18.68
Forward intensity I(0) i08263300.00
Molecular weight molecular_weight20330.0 kDa
Excluded volume excluded_volume25100 ų
Envelope volume envelope_volume30520 ų
Hydration-shell volume shell_volume14722 ų
Envelope diameter envelope_diameter70.1
Shell Rg shell_rg23.64
Envelope Rg envelope_rg19.04
Shape Rg shape_rg18.63
Total Rg total_rg19.63
Total atoms total_atoms1427
Residues n_residues174
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 dmax70.4
Rg (real space) rg_real19.70
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real8.2630e+06
I(0) uncertainty (real space) i0_real_error1.2390e+05
Rg (reciprocal space) rg_reciprocal19.68
I(0) (reciprocal space) i0_reciprocal8263000.0000
Solution quality estimate total_estimate0.8006
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.8
Skewness Skewness skewness0.542
Kurtosis Kurtosis kurtosis-0.198
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2644000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.584; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.678; Smooth: 0.974

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6shta_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.1 — Ferritin

CATH v4.4 (1 domains)

Domain ID domain_id6shtA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle

8. Citations (1)

9. Files and Curves (10)