8pp2

Binary crystal structure of positively supercharged ferritin variant Ftn(pos) and native(K86Q) human heavy chain ferritin (Mg formate condition)

Method: X-RAY DIFFRACTION Dmax: 201.1 Å Quality: GOOD

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

Ferritin heavy chain, N-terminally processed

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 Mutation:K86Q, A18K, C90K, N98R, C102K, H105K, N25R, N109K, D123K, E162R Mutation:K86Q GOL GLYCEROL × 20 FE FE (III) ION × 24 MG MAGNESIUM ION × 12 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293.15 K;reservoir: 0.19M Magnesium Formate Ftn(pos): 4 mg/mL in 50mM Tris pH 7.5 1 M NaCl Ftn(Wildtype): 4mg/mL in 50mM Tris pH 7.5 0.3 M NaCl 2 uL reservoir + 1uL Ftn(pos) + 1uL Ftn(Wildtype) added to coverslide in this order. Resolution 2.00 Å R-free 0.247
2 Protein homooligomer Homooligomer Protein × 24 PDB declaration: 24-meric(24) Consistent with protein copy count 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 Mutation:K86Q, A18K, C90K, N98R, C102K, H105K, N25R, N109K, D123K, E162R Mutation:K86Q FE FE (III) ION × 24 MG MAGNESIUM ION × 12 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293.15 K;reservoir: 0.19M Magnesium Formate Ftn(pos): 4 mg/mL in 50mM Tris pH 7.5 1 M NaCl Ftn(Wildtype): 4mg/mL in 50mM Tris pH 7.5 0.3 M NaCl 2 uL reservoir + 1uL Ftn(pos) + 1uL Ftn(Wildtype) added to coverslide in this order. Resolution 2.00 Å R-free 0.247

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 173 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FRIH_HUMAN
Isoform
PDB entities 1, 2
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

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 8pp2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8pp2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8pp2
Deposition date deposition_date2023-07-06
Structure title titleBinary crystal structure of positively supercharged ferritin variant Ftn(pos) and native(K86Q) human heavy chain ferritin (Mg formate condition)
Keywords keywordsOxidoreductase, protein design, charged protein container, binary protein structures, self-assembly, binary nanocage assembly; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier58.66
Radius of gyration Rg (electron density) rg_electron59.86
Forward intensity I(0) i0903686000.00
Molecular weight molecular_weight243490.0 kDa
Excluded volume excluded_volume301940 ų
Envelope volume envelope_volume449410 ų
Hydration-shell volume shell_volume69899 ų
Envelope diameter envelope_diameter222.4
Shell Rg shell_rg50.46
Envelope Rg envelope_rg60.32
Shape Rg shape_rg59.85
Total Rg total_rg59.60
Total atoms total_atoms33934
Residues n_residues2064
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 dmax201.1
Rg (real space) rg_real59.61
Rg uncertainty (real space) rg_real_error2.05
I(0) (real space) i0_real9.0360e+08
I(0) uncertainty (real space) i0_real_error1.7690e+07
Rg (reciprocal space) rg_reciprocal57.84
I(0) (reciprocal space) i0_reciprocal901200000.0000
Solution quality estimate total_estimate0.7782
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary52.1
Skewness Skewness skewness0.688
Kurtosis Kurtosis kurtosis-0.049
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha32430000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.748; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.721; Smooth: 0.148

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)