3kyx

Joint Xray/neutron crystal structure determination of fully perdeuterated rubredoxin at 295K

Dmax: 36.2 Å Quality: GOOD

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

Rubredoxin

Pyrococcus furiosus

UniProt P24297

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 1–54 Not recorded FE FE (III) ION × 1 Experimental method not declared X-ray crystallization conditions:hanging drop;3.8 M sodium/potassium phosphate, hanging drop Resolution 1.68 Å R-free 0.197

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.

48 other PDB entries and 55 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RUBR_PYRFU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–54; UniProt 1–54

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 3kyx

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3kyx
Deposition date deposition_date2009-12-07
Structure title titleJoint Xray/neutron crystal structure determination of fully perdeuterated rubredoxin at 295K
Keywords keywordsjoint X-ray neutron refinement, Electron transport, Iron, Metal-binding, Transport; ELECTRON TRANSPORT

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

Radius of gyration Rg (Guinier) rg_guinier12.08
Radius of gyration Rg (electron density) rg_electron9.80
Forward intensity I(0) i0504375.00
Molecular weight molecular_weight7069.0 kDa
Excluded volume excluded_volume9688 ų
Envelope volume envelope_volume9219 ų
Hydration-shell volume shell_volume7835 ų
Envelope diameter envelope_diameter31.5
Shell Rg shell_rg15.70
Envelope Rg envelope_rg10.46
Shape Rg shape_rg9.78
Total Rg total_rg12.09
Total atoms total_atoms832
Residues n_residues52
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 dmax36.2
Rg (real space) rg_real11.98
Rg uncertainty (real space) rg_real_error0.16
I(0) (real space) i0_real5.0440e+05
I(0) uncertainty (real space) i0_real_error5.2800e+03
Rg (reciprocal space) rg_reciprocal11.99
I(0) (reciprocal space) i0_reciprocal504400.0000
Solution quality estimate total_estimate0.8887
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary15.6
Skewness Skewness skewness-0.004
Kurtosis Kurtosis kurtosis-0.300
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha103000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.875; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.972; Smooth: 0.951

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3kyxa_
Class classg — Small proteins
Fold Fold foldg.41 — Rubredoxin-like
Superfamily Superfamily superfamilyg.41.5 — Rubredoxin-like
Family Family familyg.41.5.1 — Rubredoxin

CATH v4.4 (1 domains)

Domain ID domain_id3kyxA00
Class class2 — Mainly Beta
Architecture architecture20 — Single Sheet
Topology topology28 — Rubrerythrin, domain 2
Homologous superfamily homologous superfamily10

8. Citations (1)

9. Files and Curves (10)