8bkb

Cryo-EM structure of mouse heavy-chain apoferritin at 2.2 A plunged 205ms after mixing with b-galactosidase

Method: ELECTRON MICROSCOPY Dmax: 136.4 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 Chain B; UniProt 1–182 Chain C; UniProt 1–182 Chain D; UniProt 1–182 Chain E; UniProt 1–182 Chain F; UniProt 1–182 Chain G; UniProt 1–182 Chain H; UniProt 1–182 Chain I; UniProt 1–182 Chain J; UniProt 1–182 Chain K; UniProt 1–182 Chain L; UniProt 1–182 Chain M; UniProt 1–182 Chain N; UniProt 1–182 Chain O; UniProt 1–182 Chain P; UniProt 1–182 Chain Q; UniProt 1–182 Chain R; UniProt 1–182 Chain S; UniProt 1–182 Chain T; UniProt 1–182 Chain V; UniProt 1–182 Chain W; UniProt 1–182 Chain X; UniProt 1–182 Chain Y; UniProt 1–182 Not recorded FE FE (III) ION × 6 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5;contains Amaranth dye (acid red 27) 32 mM cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.20 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.

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 Author chain B; PDBConstruct 1–182; UniProt 1–182 Author chain C; PDBConstruct 1–182; UniProt 1–182 Author chain D; PDBConstruct 1–182; UniProt 1–182 Author chain E; PDBConstruct 1–182; UniProt 1–182 Author chain F; PDBConstruct 1–182; UniProt 1–182 Author chain G; PDBConstruct 1–182; UniProt 1–182 Author chain H; PDBConstruct 1–182; UniProt 1–182 Author chain I; PDBConstruct 1–182; UniProt 1–182 Author chain J; PDBConstruct 1–182; UniProt 1–182 Author chain K; PDBConstruct 1–182; UniProt 1–182 Author chain L; PDBConstruct 1–182; UniProt 1–182 Author chain M; PDBConstruct 1–182; UniProt 1–182 Author chain N; PDBConstruct 1–182; UniProt 1–182 Author chain O; PDBConstruct 1–182; UniProt 1–182 Author chain P; PDBConstruct 1–182; UniProt 1–182 Author chain Q; PDBConstruct 1–182; UniProt 1–182 Author chain R; PDBConstruct 1–182; UniProt 1–182 Author chain S; PDBConstruct 1–182; UniProt 1–182 Author chain T; PDBConstruct 1–182; UniProt 1–182 Author chain V; PDBConstruct 1–182; UniProt 1–182 Author chain W; PDBConstruct 1–182; UniProt 1–182 Author chain X; PDBConstruct 1–182; UniProt 1–182 Author chain Y; 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 8bkb

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8bkb
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8bkb
Deposition date deposition_date2022-11-08
Structure title titleCryo-EM structure of mouse heavy-chain apoferritin at 2.2 A plunged 205ms after mixing with b-galactosidase
Keywords keywordsiron storage, ferritin, octahedral, 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_guinier54.15
Radius of gyration Rg (electron density) rg_electron53.16
Forward intensity I(0) i03494710000.00
Molecular weight molecular_weight480950.0 kDa
Excluded volume excluded_volume595310 ų
Envelope volume envelope_volume968800 ų
Hydration-shell volume shell_volume148670 ų
Envelope diameter envelope_diameter135.9
Shell Rg shell_rg63.80
Envelope Rg envelope_rg47.89
Shape Rg shape_rg53.15
Total Rg total_rg53.49
Total atoms total_atoms33822
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 dmax136.4
Rg (real space) rg_real53.60
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real3.4950e+09
I(0) uncertainty (real space) i0_real_error5.4930e+07
Rg (reciprocal space) rg_reciprocal54.60
I(0) (reciprocal space) i0_reciprocal3500000000.0000
Solution quality estimate total_estimate0.7961
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary89.3
Skewness Skewness skewness-0.392
Kurtosis Kurtosis kurtosis-0.638
Angular range angular_range— – 0.1450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha386300000000.0000
Real-space data points n_real_points30
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.813; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.907; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 24 domains

CATH v4.4 (24 domains)

Domain ID domain_id8bkbA01
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_id8bkbB01
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_id8bkbC01
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_id8bkbD01
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_id8bkbE01
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_id8bkbF01
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_id8bkbG01
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_id8bkbH01
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_id8bkbI01
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_id8bkbJ01
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_id8bkbK01
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_id8bkbL01
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_id8bkbM01
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_id8bkbN01
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_id8bkbO01
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_id8bkbP01
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_id8bkbQ01
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_id8bkbR01
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_id8bkbS01
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_id8bkbT01
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_id8bkbV01
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_id8bkbW01
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_id8bkbX01
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_id8bkbY01
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)