9eqc

Iron loaded human h-chain ferritin exposed to oxygen for 20 minutes

Method: X-RAY DIFFRACTION Dmax: 68.3 Å Quality: GOOD

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

Ferritin heavy chain

Homo sapiens

UniProt P02794

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 1–183 Not recorded FE FE (III) ION × 144 MG MAGNESIUM ION × 144 CL CHLORIDE ION × 48 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 9;289 K;0.1 M bicine 2.0 M magnesium chloride 100 mM sodiem chloride 60 mM ferrous chloride 3 mM sodium azide pH 9.0 Resolution 1.60 Å R-free 0.237

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.

161 other PDB entries and 174 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FRIH_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–183; UniProt 1–183

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 9eqc

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9eqc
Deposition date deposition_date2024-03-21
Structure title titleIron loaded human h-chain ferritin exposed to oxygen for 20 minutes
Keywords keywordsFerritin, human, h-chain, iron, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.96
Radius of gyration Rg (electron density) rg_electron18.21
Forward intensity I(0) i08783200.00
Molecular weight molecular_weight20612.0 kDa
Excluded volume excluded_volume25177 ų
Envelope volume envelope_volume29672 ų
Hydration-shell volume shell_volume14570 ų
Envelope diameter envelope_diameter67.1
Shell Rg shell_rg23.19
Envelope Rg envelope_rg18.64
Shape Rg shape_rg18.19
Total Rg total_rg19.03
Total atoms total_atoms2779
Residues n_residues172
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 dmax68.3
Rg (real space) rg_real19.08
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real8.7830e+06
I(0) uncertainty (real space) i0_real_error1.1640e+05
Rg (reciprocal space) rg_reciprocal19.07
I(0) (reciprocal space) i0_reciprocal8783000.0000
Solution quality estimate total_estimate0.8104
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.0
Skewness Skewness skewness0.547
Kurtosis Kurtosis kurtosis-0.150
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2497000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.597; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.757; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)