7rrp

Apoferritin structure at 1.27 angstrom resolution determined from a 300 kV Titan Krios G3i electron microscope with Falcon4 detector

Method: ELECTRON MICROSCOPY Dmax: 135.1 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 6–177 Chain B; UniProt 6–177 Chain C; UniProt 6–177 Chain D; UniProt 6–177 Chain E; UniProt 6–177 Chain F; UniProt 6–177 Chain G; UniProt 6–177 Chain H; UniProt 6–177 Chain I; UniProt 6–177 Chain J; UniProt 6–177 Chain K; UniProt 6–177 Chain L; UniProt 6–177 Chain M; UniProt 6–177 Chain N; UniProt 6–177 Chain O; UniProt 6–177 Chain P; UniProt 6–177 Chain Q; UniProt 6–177 Chain R; UniProt 6–177 Chain S; UniProt 6–177 Chain T; UniProt 6–177 Chain U; UniProt 6–177 Chain V; UniProt 6–177 Chain W; UniProt 6–177 Chain X; UniProt 6–177 Not recorded ZN ZINC ION × 206 NA SODIUM ION × 72 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;50 mM Tris-HCl (pH 8.0), 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.27 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.

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 1–172; UniProt 6–177 Author chain B; PDBConstruct 1–172; UniProt 6–177 Author chain C; PDBConstruct 1–172; UniProt 6–177 Author chain D; PDBConstruct 1–172; UniProt 6–177 Author chain E; PDBConstruct 1–172; UniProt 6–177 Author chain F; PDBConstruct 1–172; UniProt 6–177 Author chain G; PDBConstruct 1–172; UniProt 6–177 Author chain H; PDBConstruct 1–172; UniProt 6–177 Author chain I; PDBConstruct 1–172; UniProt 6–177 Author chain J; PDBConstruct 1–172; UniProt 6–177 Author chain K; PDBConstruct 1–172; UniProt 6–177 Author chain L; PDBConstruct 1–172; UniProt 6–177 Author chain M; PDBConstruct 1–172; UniProt 6–177 Author chain N; PDBConstruct 1–172; UniProt 6–177 Author chain O; PDBConstruct 1–172; UniProt 6–177 Author chain P; PDBConstruct 1–172; UniProt 6–177 Author chain Q; PDBConstruct 1–172; UniProt 6–177 Author chain R; PDBConstruct 1–172; UniProt 6–177 Author chain S; PDBConstruct 1–172; UniProt 6–177 Author chain T; PDBConstruct 1–172; UniProt 6–177 Author chain U; PDBConstruct 1–172; UniProt 6–177 Author chain V; PDBConstruct 1–172; UniProt 6–177 Author chain W; PDBConstruct 1–172; UniProt 6–177 Author chain X; PDBConstruct 1–172; UniProt 6–177

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 7rrp

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7rrp
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7rrp
Deposition date deposition_date2021-08-10
Structure title titleApoferritin structure at 1.27 angstrom resolution determined from a 300 kV Titan Krios G3i electron microscope with Falcon4 detector
Keywords keywordsApoferritin, cryo-EM, Atomic resolution, Falcon4 detector, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier54.02
Radius of gyration Rg (electron density) rg_electron53.02
Forward intensity I(0) i03929450000.00
Molecular weight molecular_weight496600.0 kDa
Excluded volume excluded_volume606240 ų
Envelope volume envelope_volume962160 ų
Hydration-shell volume shell_volume148050 ų
Envelope diameter envelope_diameter135.3
Shell Rg shell_rg63.66
Envelope Rg envelope_rg47.75
Shape Rg shape_rg52.96
Total Rg total_rg53.48
Total atoms total_atoms66518
Residues n_residues4128
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 dmax135.1
Rg (real space) rg_real53.48
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real3.9290e+09
I(0) uncertainty (real space) i0_real_error5.6780e+07
Rg (reciprocal space) rg_reciprocal54.46
I(0) (reciprocal space) i0_reciprocal3935000000.0000
Solution quality estimate total_estimate0.7978
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary88.5
Skewness Skewness skewness-0.391
Kurtosis Kurtosis kurtosis-0.640
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha442000000000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.831; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.874; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 24 domains

CATH v4.4 (24 domains)

Domain ID domain_id7rrpA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpC01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpD01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpE01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpF01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpG01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpH01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpI01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpJ01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpK01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpL01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpM01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpN01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpO01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpP01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpQ01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpR01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpS01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpT01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpU01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpV01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpW01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
Domain ID domain_id7rrpX01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle

8. Citations (2)

9. Files and Curves (10)