4p4q

Complex of yeast cytochrome c peroxidase (W191F) with iso-1 cytochrome c

Method: X-RAY DIFFRACTION Dmax: 98.1 Å Quality: EXCELLENT

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

Cytochrome c peroxidase, mitochondrial

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:UNP residues 68-361 Mutation:W191F Cytochrome c iso-1 × 1 (P00044) HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;PEG 3350 15-15%, 100 mM NaAcetate, 175 mM NaCl Resolution 2.01 Å R-free 0.278
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 68–361 Fragment:UNP residues 68-361 Mutation:W191F Cytochrome c iso-1 × 1 (P00044) HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;PEG 3350 15-15%, 100 mM NaAcetate, 175 mM NaCl Resolution 2.01 Å R-free 0.278

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 1–294; UniProt 68–361 Author chain C; PDBConstruct 1–294; 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 7–109 Fragment:UNP residues 7-109 Cytochrome c peroxidase, mitochondrial × 1 (P00431) HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;PEG 3350 15-15%, 100 mM NaAcetate, 175 mM NaCl Resolution 2.01 Å R-free 0.278
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 7–109 Fragment:UNP residues 7-109 Cytochrome c peroxidase, mitochondrial × 1 (P00431) HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;PEG 3350 15-15%, 100 mM NaAcetate, 175 mM NaCl Resolution 2.01 Å R-free 0.278

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 1–103; UniProt 7–109 Author chain D; PDBConstruct 1–103; UniProt 7–109

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 4p4q

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4p4q
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4p4q
Deposition date deposition_date2014-03-12
Structure title titleComplex of yeast cytochrome c peroxidase (W191F) with iso-1 cytochrome c
Keywords keywordselectron transfer, heme proteins, electron hopping, photochemistry, 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_guinier30.69
Radius of gyration Rg (electron density) rg_electron29.76
Forward intensity I(0) i0134229000.00
Molecular weight molecular_weight92269.0 kDa
Excluded volume excluded_volume115350 ų
Envelope volume envelope_volume138280 ų
Hydration-shell volume shell_volume38616 ų
Envelope diameter envelope_diameter97.5
Shell Rg shell_rg37.12
Envelope Rg envelope_rg29.70
Shape Rg shape_rg29.75
Total Rg total_rg30.43
Total atoms total_atoms6518
Residues n_residues794
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 dmax98.1
Rg (real space) rg_real30.63
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real1.3420e+08
I(0) uncertainty (real space) i0_real_error2.1280e+06
Rg (reciprocal space) rg_reciprocal30.66
I(0) (reciprocal space) i0_reciprocal134200000.0000
Solution quality estimate total_estimate0.9035
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary35.8
Skewness Skewness skewness0.255
Kurtosis Kurtosis kurtosis-0.521
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha28770000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.933; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.944

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4p4qa_
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_idd4p4qb_
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_idd4p4qc_
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_idd4p4qd_
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_id4p4qA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id4p4qA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily10 — Peroxidase, domain 2
Domain ID domain_id4p4qB00
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_id4p4qC01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id4p4qC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily10 — Peroxidase, domain 2
Domain ID domain_id4p4qD00
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)