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1blu

STRUCTURE OF THE 2[4FE-4S] FERREDOXIN FROM CHROMATIUM VINOSUM

Method: X-RAY DIFFRACTION Dmax: 44.7 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

FERREDOXIN

OrganismNot specified

UniProt P00208

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 monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count Chain A； UniProt 1–82 Not recorded SF4 IRON/SULFUR CLUSTER × 2 X-RAY DIFFRACTION X-ray crystallization conditions：pH 6.5；CRYSTALS WERE GROWN AT ROOM TEMPERATURE IN 0.1M TRIS-MALEATE BUFFER, PH 6.5 CONTAINING 2.9 M AMMONIUM SULPHATE AND 0.1 M NACL Resolution 2.10 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.

Other PDB Difference from Current Entry 1BLU Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
3EUN Crystal structure of the 2[4Fe-4S] C57A ferredoxin variant from allochromatium vinosum Deposited 2008-10-10 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–83（82 aa）
Mutation：C57A SF4 IRON/SULFUR CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；277 K；3.5M AMMONIUM SULPHATE 0.1 M SODIUM CHLORIDE, 0.1 M TRIS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.05 Å
3EXY Crystal structure of the 2[4Fe-4S] ferredoxin V13G variant from allochromatium vinosum Deposited 2008-10-17 Different construct Different mutation/modification Different experimental conditions Different structure-quality metrics Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric
Chain A 2–83（82 aa）
Mutation：V13G SF4 IRON/SULFUR CLUSTER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；277 K；3.5M AMMONIUM SULPHATE, 0.3 M SODIUM CHLORIDE, 0.1 M TRIS , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.48 Å R-free 0.218

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FER_CHRVI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–82； UniProt 1–82

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 1blu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1blu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1blu
Deposition date deposition_date1996-04-16
Structure title titleSTRUCTURE OF THE 2[4FE-4S] FERREDOXIN FROM CHROMATIUM VINOSUM
Keywords keywordsELECTRON TRANSPORT, FERREDOXIN; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier12.81 Å
Radius of gyration Rg (electron density) rg_electron11.88 Å
Forward intensity I(0) i02574490.00
Molecular weight molecular_weight9543.0 kDa
Excluded volume excluded_volume11118 ų
Envelope volume envelope_volume12317 ų
Hydration-shell volume shell_volume9012 ų
Envelope diameter envelope_diameter39.9 Å
Shell Rg shell_rg17.30 Å
Envelope Rg envelope_rg12.36 Å
Shape Rg shape_rg12.09 Å
Total Rg total_rg12.57 Å
Total atoms total_atoms627
Residues n_residues80
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−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
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax44.7 Å
Rg (real space) rg_real12.80 Å
Rg uncertainty (real space) rg_real_error0.38 Å
I(0) (real space) i0_real2.5740e+06
I(0) uncertainty (real space) i0_real_error2.7220e+04
Rg (reciprocal space) rg_reciprocal12.80 Å
I(0) (reciprocal space) i0_reciprocal2574000.0000
Solution quality estimate total_estimate0.8627
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary14.2 Å
Skewness Skewness skewness0.322
Kurtosis Kurtosis kurtosis-0.289
Angular range angular_range— – 0.5000 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha337700.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.760; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.942; Smooth: 0.988
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (3)

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7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1blua_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.1 — 4Fe-4S ferredoxins
Family Family familyd.58.1.1 — Short-chain ferredoxins

CATH v4.4 (1 domains)

Domain ID domain_id1bluA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily20 —
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8. Citations (1)

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9. Files and Curves (10)