1u74

Electron Transfer Complex between cytochrome C and cytochrome C peroxidase

Method: X-RAY DIFFRACTION Dmax: 115.9 Å Quality: GOOD

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

cytochrome c peroxidase

Saccharomyces cerevisiae

UniProt P00431

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 68–361 Fragment:1.11.1.5 Cytochrome c iso-1 × 1 (P00044) PO4 PHOSPHATE ION × 1 ZNH PROTOPORPHYRIN IX CONTAINING ZN × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;PEG 3350, sodium chloride, n-octyl-beta-D-glucoside, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 2.40 Å R-free 0.287
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 68–361 Fragment:1.11.1.5 Cytochrome c iso-1 × 1 (P00044) PO4 PHOSPHATE ION × 1 ZNH PROTOPORPHYRIN IX CONTAINING ZN × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;PEG 3350, sodium chloride, n-octyl-beta-D-glucoside, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 2.40 Å R-free 0.287

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.

175 other PDB entries and 192 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CCPR_YEAST
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–296; UniProt 68–361 Author chain C; PDBConstruct 3–296; UniProt 68–361

Cytochrome c iso-1

Saccharomyces cerevisiae

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1–108 Mutation:C102S cytochrome c peroxidase × 1 (P00431) PO4 PHOSPHATE ION × 1 ZNH PROTOPORPHYRIN IX CONTAINING ZN × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;PEG 3350, sodium chloride, n-octyl-beta-D-glucoside, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 2.40 Å R-free 0.287
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–108 Mutation:C102S cytochrome c peroxidase × 1 (P00431) PO4 PHOSPHATE ION × 1 ZNH PROTOPORPHYRIN IX CONTAINING ZN × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;PEG 3350, sodium chloride, n-octyl-beta-D-glucoside, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 2.40 Å R-free 0.287

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 124 assemblies. Open the comparison page and filter oligomeric states

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

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 1u74

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1u74
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1u74
Deposition date deposition_date2004-08-02
Structure title titleElectron Transfer Complex between cytochrome C and cytochrome C peroxidase
Keywords keywordsProtein-Protein complex, Heme, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.66
Radius of gyration Rg (electron density) rg_electron35.30
Forward intensity I(0) i0135010000.00
Molecular weight molecular_weight93748.0 kDa
Excluded volume excluded_volume117050 ų
Envelope volume envelope_volume152010 ų
Hydration-shell volume shell_volume36007 ų
Envelope diameter envelope_diameter121.0
Shell Rg shell_rg41.51
Envelope Rg envelope_rg34.77
Shape Rg shape_rg35.30
Total Rg total_rg35.74
Total atoms total_atoms6621
Residues n_residues805
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 dmax115.9
Rg (real space) rg_real35.76
Rg uncertainty (real space) rg_real_error0.94
I(0) (real space) i0_real1.3500e+08
I(0) uncertainty (real space) i0_real_error2.4550e+06
Rg (reciprocal space) rg_reciprocal35.70
I(0) (reciprocal space) i0_reciprocal135000000.0000
Solution quality estimate total_estimate0.8782
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary29.0
Skewness Skewness skewness0.282
Kurtosis Kurtosis kurtosis-0.752
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha21650000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.886; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.848; Smooth: 0.904

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 11 domains

SCOP 2.08 (5 domains)

Domain ID domain_idd1u74a_
Class classa — All alpha proteins
Fold Fold folda.93 — Heme-dependent peroxidases
Superfamily Superfamily superfamilya.93.1 — Heme-dependent peroxidases
Family Family familya.93.1.1 — CCP-like
Domain ID domain_idd1u74b_
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
Domain ID domain_idd1u74c1
Class classa — All alpha proteins
Fold Fold folda.93 — Heme-dependent peroxidases
Superfamily Superfamily superfamilya.93.1 — Heme-dependent peroxidases
Family Family familya.93.1.1 — CCP-like
Domain ID domain_idd1u74c2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1u74d_
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 (6 domains)

Domain ID domain_id1u74A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1u74A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily10 — Peroxidase, domain 2
Domain ID domain_id1u74B00
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
Domain ID domain_id1u74C01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1u74C02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily10 — Peroxidase, domain 2
Domain ID domain_id1u74D00
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)