5kke

Crystal Structure of a Domain-swapped Dimer of Yeast Iso-1-cytochrome c with CYMAL5

Method: X-RAY DIFFRACTION Dmax: 67.4 Å Quality: REASONABLE

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

Cytochrome c iso-1

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P00044

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 2–109 Mutation:K72A, C102S HEC HEME C × 2 SO4 SULFATE ION × 4 CM5 5-CYCLOHEXYL-1-PENTYL-BETA-D-MALTOSIDE × 2 CL CHLORIDE ION × 2 GOL GLYCEROL × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;295 K;Reservior solution: 77% Ammonium Sulfate, 0.1 M Tris, pH 7.5 Protein Solution: 18 mg/mL in 75 % Ammonium Sulfate Detergent Solution: 2.5 mM CYMAL-5 in deionized water Mixed 2:2:1 Resolution 1.70 Å R-free 0.204

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.

91 other PDB entries and 125 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CYC1_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–108; UniProt 2–109

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 5kke

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5kke
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5kke
Deposition date deposition_date2016-06-21
Structure title titleCrystal Structure of a Domain-swapped Dimer of Yeast Iso-1-cytochrome c with CYMAL5
Keywords keywordsElectron Transport Apoptosis Lipid Binding, ELECTRON TRANSPORT; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.48
Radius of gyration Rg (electron density) rg_electron18.04
Forward intensity I(0) i03747720.00
Molecular weight molecular_weight13510.0 kDa
Excluded volume excluded_volume16849 ų
Envelope volume envelope_volume22218 ų
Hydration-shell volume shell_volume11773 ų
Envelope diameter envelope_diameter68.3
Shell Rg shell_rg21.91
Envelope Rg envelope_rg18.83
Shape Rg shape_rg18.01
Total Rg total_rg18.89
Total atoms total_atoms943
Residues n_residues108
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 dmax67.4
Rg (real space) rg_real18.70
Rg uncertainty (real space) rg_real_error0.67
I(0) (real space) i0_real3.7480e+06
I(0) uncertainty (real space) i0_real_error5.5730e+04
Rg (reciprocal space) rg_reciprocal18.67
I(0) (reciprocal space) i0_reciprocal3748000.0000
Solution quality estimate total_estimate0.7059
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary19.4
Skewness Skewness skewness0.668
Kurtosis Kurtosis kurtosis0.080
Angular range angular_range— – 0.4300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha346600.0000
Real-space data points n_real_points74
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.481; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.737; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (7)

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd5kkea_
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

8. Citations (1)

9. Files and Curves (10)