7zg7

Structure of human Apoferritin obtained from ssDNA coated grid

Method: ELECTRON MICROSCOPY Dmax: 134.8 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 × 270 NA SODIUM ION × 112 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE;6 s blot time,30 s waiting time, ssDNA covered grid Resolution 1.77 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 7zg7

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7zg7
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7zg7
Deposition date deposition_date2022-04-02
Structure title titleStructure of human Apoferritin obtained from ssDNA coated grid
Keywords keywordsapoferritin, ssDNA covered grid, ssDNA, 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_guinier53.93
Radius of gyration Rg (electron density) rg_electron52.99
Forward intensity I(0) i04052900000.00
Molecular weight molecular_weight501700.0 kDa
Excluded volume excluded_volume610380 ų
Envelope volume envelope_volume963800 ų
Hydration-shell volume shell_volume148220 ų
Envelope diameter envelope_diameter135.4
Shell Rg shell_rg63.70
Envelope Rg envelope_rg47.77
Shape Rg shape_rg52.93
Total Rg total_rg53.45
Total atoms total_atoms34294
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 dmax134.8
Rg (real space) rg_real53.38
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real4.0530e+09
I(0) uncertainty (real space) i0_real_error6.2440e+07
Rg (reciprocal space) rg_reciprocal54.37
I(0) (reciprocal space) i0_reciprocal4059000000.0000
Solution quality estimate total_estimate0.7984
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary88.3
Skewness Skewness skewness-0.392
Kurtosis Kurtosis kurtosis-0.639
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha48530000000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.834; 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_id7zg7A01
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_id7zg7B01
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_id7zg7C01
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_id7zg7D01
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_id7zg7E01
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_id7zg7F01
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_id7zg7G01
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_id7zg7H01
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_id7zg7I01
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_id7zg7J01
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_id7zg7K01
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_id7zg7L01
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_id7zg7M01
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_id7zg7N01
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_id7zg7O01
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_id7zg7P01
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_id7zg7Q01
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_id7zg7R01
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_id7zg7S01
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_id7zg7T01
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_id7zg7U01
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_id7zg7V01
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_id7zg7W01
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_id7zg7X01
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)