3erz

Directing Noble Metal Ion Chemistry within a Designed Ferritin Protein. Mercury Ions on the Three-Fold Channel

Method: X-RAY DIFFRACTION Dmax: 192.6 Å Quality: GOOD

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

Ferritin heavy chain

OrganismNot specified

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 1–183 Chain B; UniProt 1–183 Chain C; UniProt 1–183 Chain D; UniProt 1–183 Chain E; UniProt 1–183 Chain F; UniProt 1–183 Mutation:H13D, E64C, C90R, C102A, H105Q, E140C, K143C, E147C MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 24 HG MERCURY (II) ION × 24 CA CALCIUM ION × 4 ZN ZINC ION × 8 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;298 K;protein solution (11.0 mg/mL H8 in unbuffered 3.0MM NAN3), 2.5mL of precipitant buffer (0.1M sodium acetate (PH 4.6), 20%(v/v) isopropanol, 0.2M CaCl2), VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K. Soaking experiment performed with mercury ions using the mother liquor without calcium ions. Resolution 3.06 Å R-free 0.256
2 Protein homooligomer Homooligomer Protein × 24 PDB declaration: 24-meric(24) Consistent with protein copy count Chain G; UniProt 1–183 Chain H; UniProt 1–183 Chain I; UniProt 1–183 Chain J; UniProt 1–183 Chain K; UniProt 1–183 Chain L; UniProt 1–183 Mutation:H13D, E64C, C90R, C102A, H105Q, E140C, K143C, E147C MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 20 HG MERCURY (II) ION × 24 CA CALCIUM ION × 8 ZN ZINC ION × 12 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.6;298 K;protein solution (11.0 mg/mL H8 in unbuffered 3.0MM NAN3), 2.5mL of precipitant buffer (0.1M sodium acetate (PH 4.6), 20%(v/v) isopropanol, 0.2M CaCl2), VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K. Soaking experiment performed with mercury ions using the mother liquor without calcium ions. Resolution 3.06 Å R-free 0.256

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
Chains and sequence ranges Author chain A; PDBConstruct 1–183; UniProt 1–183 Author chain B; PDBConstruct 1–183; UniProt 1–183 Author chain C; PDBConstruct 1–183; UniProt 1–183 Author chain D; PDBConstruct 1–183; UniProt 1–183 Author chain E; PDBConstruct 1–183; UniProt 1–183 Author chain F; PDBConstruct 1–183; UniProt 1–183 Author chain G; PDBConstruct 1–183; UniProt 1–183 Author chain H; PDBConstruct 1–183; UniProt 1–183 Author chain I; PDBConstruct 1–183; UniProt 1–183 Author chain J; PDBConstruct 1–183; UniProt 1–183 Author chain K; PDBConstruct 1–183; UniProt 1–183 Author chain L; PDBConstruct 1–183; UniProt 1–183

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 3erz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3erz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3erz
Deposition date deposition_date2008-10-03
Structure title titleDirecting Noble Metal Ion Chemistry within a Designed Ferritin Protein. Mercury Ions on the Three-Fold Channel
Keywords keywordsferritin mutant, nanoparticle, 3-fold channel, mercury ions, Iron, Iron storage, Metal-binding, Oxidoreductase, Phosphoprotein; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier52.91
Radius of gyration Rg (electron density) rg_electron53.59
Forward intensity I(0) i0945121000.00
Molecular weight molecular_weight243560.0 kDa
Excluded volume excluded_volume298850 ų
Envelope volume envelope_volume414560 ų
Hydration-shell volume shell_volume69223 ų
Envelope diameter envelope_diameter204.0
Shell Rg shell_rg50.41
Envelope Rg envelope_rg53.73
Shape Rg shape_rg53.64
Total Rg total_rg53.34
Total atoms total_atoms16932
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 dmax192.6
Rg (real space) rg_real53.33
Rg uncertainty (real space) rg_real_error2.90
I(0) (real space) i0_real9.4510e+08
I(0) uncertainty (real space) i0_real_error1.8680e+07
Rg (reciprocal space) rg_reciprocal52.57
I(0) (reciprocal space) i0_reciprocal944100000.0000
Solution quality estimate total_estimate0.8403
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary57.8
Skewness Skewness skewness0.589
Kurtosis Kurtosis kurtosis-0.011
Angular range angular_range— – 0.1500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha33360000.0000
Real-space data points n_real_points31
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.728; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.951; Smooth: 0.791

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id3erzA00
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_id3erzB00
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_id3erzC00
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_id3erzD00
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_id3erzE00
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_id3erzF00
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_id3erzG00
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_id3erzH00
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_id3erzI00
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_id3erzJ00
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_id3erzK00
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_id3erzL00
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)