3wc8

Dimeric horse cytochrome c obtained by refolding with desalting method

Method: X-RAY DIFFRACTION Dmax: 61.1 Å Quality: GOOD

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

Cytochrome c

OrganismNot specified

UniProt P00004

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–105 Not recorded HEC HEME C × 2 PO4 PHOSPHATE ION × 2 PG4 TETRAETHYLENE GLYCOL × 2 PEG DI(HYDROXYETHYL)ETHER × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8;277 K;100mM Tris-HCl buffer, 200mM (NH4)2HPO4, 40%(v/v) PEG200, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 1.80 Å R-free 0.208

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.

32 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CYC_HORSE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–104; UniProt 2–105

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 3wc8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3wc8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3wc8
Deposition date deposition_date2013-05-25
Structure title titleDimeric horse cytochrome c obtained by refolding with desalting method
Keywords keywordsElectron Transport; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.06
Radius of gyration Rg (electron density) rg_electron17.24
Forward intensity I(0) i03239890.00
Molecular weight molecular_weight12937.0 kDa
Excluded volume excluded_volume16362 ų
Envelope volume envelope_volume21192 ų
Hydration-shell volume shell_volume11490 ų
Envelope diameter envelope_diameter58.6
Shell Rg shell_rg21.70
Envelope Rg envelope_rg17.90
Shape Rg shape_rg17.20
Total Rg total_rg18.26
Total atoms total_atoms905
Residues n_residues104
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 dmax61.1
Rg (real space) rg_real18.22
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real3.2400e+06
I(0) uncertainty (real space) i0_real_error4.0270e+04
Rg (reciprocal space) rg_reciprocal18.20
I(0) (reciprocal space) i0_reciprocal3240000.0000
Solution quality estimate total_estimate0.8513
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.0
Skewness Skewness skewness0.483
Kurtosis Kurtosis kurtosis-0.388
Angular range angular_range— – 0.4400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha311900.0000
Real-space data points n_real_points75
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.734; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.872; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3wc8a_
Class classa — All alpha proteins
Fold Fold folda.3 — Cytochrome c
Superfamily Superfamily superfamilya.3.1 — Cytochrome c
Family Family familya.3.1.1 — monodomain cytochrome c

CATH v4.4 (1 domains)

Domain ID domain_id3wc8A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology760 — Cytochrome Bc1 Complex; Chain D, domain 2
Homologous superfamily homologous superfamily10 — Cytochrome c-like domain

8. Citations (1)

9. Files and Curves (10)