7k3w

Apoferritin structure at 1.36 angstrom resolution determined from a 300 kV Titan Krios G3i electron microscope with Falcon4 detector

Method: ELECTRON MICROSCOPY Dmax: 141.7 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 8;50 mM Tris-HCl (pH 8.0), 150 mM NaCl cryo-EM vitrification conditions:Cryogen ETHANE Resolution 1.36 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 7k3w

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7k3w
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id7k3w
Deposition date deposition_date2020-09-14
Structure title titleApoferritin structure at 1.36 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_guinier53.97
Radius of gyration Rg (electron density) rg_electron53.04
Forward intensity I(0) i04052900000.00
Molecular weight molecular_weight501700.0 kDa
Excluded volume excluded_volume610380 ų
Envelope volume envelope_volume963340 ų
Hydration-shell volume shell_volume148170 ų
Envelope diameter envelope_diameter135.5
Shell Rg shell_rg63.69
Envelope Rg envelope_rg47.76
Shape Rg shape_rg52.98
Total Rg total_rg53.49
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 dmax141.7
Rg (real space) rg_real53.43
Rg uncertainty (real space) rg_real_error0.72
I(0) (real space) i0_real4.0530e+09
I(0) uncertainty (real space) i0_real_error6.8200e+07
Rg (reciprocal space) rg_reciprocal54.41
I(0) (reciprocal space) i0_reciprocal4059000000.0000
Solution quality estimate total_estimate0.7874
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary87.9
Skewness Skewness skewness-0.393
Kurtosis Kurtosis kurtosis-0.639
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha54320000000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.745; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

Domain ID domain_idd7k3wa_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wb_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wc_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wd_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3we_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wf_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wg_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wh_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wi_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wj_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wk_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wl_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wm_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wn_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wo_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wp_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wq_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wr_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3ws_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wt_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wu_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wv_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3ww_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches
Domain ID domain_idd7k3wx_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.0 — automated matches

CATH v4.4 (24 domains)

Domain ID domain_id7k3wA01
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_id7k3wB01
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_id7k3wC01
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_id7k3wD01
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_id7k3wE01
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_id7k3wF01
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_id7k3wG01
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_id7k3wH01
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_id7k3wI01
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_id7k3wJ01
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_id7k3wK01
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_id7k3wL01
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_id7k3wM01
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_id7k3wN01
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_id7k3wO01
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_id7k3wP01
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_id7k3wQ01
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_id7k3wR01
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_id7k3wS01
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_id7k3wT01
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_id7k3wU01
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_id7k3wV01
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_id7k3wW01
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_id7k3wX01
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)