4rsn

Crystal structure of the E267V mutant of cytochrome P450 BM3

Method: X-RAY DIFFRACTION Dmax: 94.6 Å Quality: REASONABLE

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

Bifunctional P-450/NADPH-P450 reductase

Bacillus megaterium

UniProt P14779

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 1–456 Fragment:heme domain, UNP residues 1-456 Mutation:R48L, Y52F, I402P, E268V, F88V HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;289 K;2.0M Sodium Chloride 10% w/v PEG 6000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K Resolution 2.70 Å R-free 0.207
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–456 Fragment:heme domain, UNP residues 1-456 Mutation:R48L, Y52F, I402P, E268V, F88V HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.4;289 K;2.0M Sodium Chloride 10% w/v PEG 6000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K Resolution 2.70 Å R-free 0.207

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.

168 other PDB entries and 310 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CPXB_BACME
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–460; UniProt 1–456 Author chain B; PDBConstruct 5–460; UniProt 1–456

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 4rsn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4rsn
Deposition date deposition_date2014-11-09
Structure title titleCrystal structure of the E267V mutant of cytochrome P450 BM3
Keywords keywordsBifunctional P-450/NADPH-P450 reductase, heme domain, Oxidoreductase; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.04
Radius of gyration Rg (electron density) rg_electron28.85
Forward intensity I(0) i0169975000.00
Molecular weight molecular_weight105660.0 kDa
Excluded volume excluded_volume133050 ų
Envelope volume envelope_volume160350 ų
Hydration-shell volume shell_volume44565 ų
Envelope diameter envelope_diameter99.3
Shell Rg shell_rg37.61
Envelope Rg envelope_rg28.96
Shape Rg shape_rg28.86
Total Rg total_rg29.59
Total atoms total_atoms7444
Residues n_residues920
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 dmax94.6
Rg (real space) rg_real29.91
Rg uncertainty (real space) rg_real_error0.56
I(0) (real space) i0_real1.7000e+08
I(0) uncertainty (real space) i0_real_error2.3640e+06
Rg (reciprocal space) rg_reciprocal29.97
I(0) (reciprocal space) i0_reciprocal170000000.0000
Solution quality estimate total_estimate0.6730
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.5
Skewness Skewness skewness0.239
Kurtosis Kurtosis kurtosis-0.377
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha81320000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.894; Stabil: 1.000; Sysdev: 0.050; Positv: 1.000; Valcen: 0.990; Smooth: 0.923

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4rsna1
Class classa — All alpha proteins
Fold Fold folda.104 — Cytochrome P450
Superfamily Superfamily superfamilya.104.1 — Cytochrome P450
Family Family familya.104.1.1 — Cytochrome P450
Domain ID domain_idd4rsna2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4rsnb1
Class classa — All alpha proteins
Fold Fold folda.104 — Cytochrome P450
Superfamily Superfamily superfamilya.104.1 — Cytochrome P450
Family Family familya.104.1.1 — Cytochrome P450
Domain ID domain_idd4rsnb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id4rsnA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology630 — Cytochrome p450
Homologous superfamily homologous superfamily10 — Cytochrome P450
Domain ID domain_id4rsnB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology630 — Cytochrome p450
Homologous superfamily homologous superfamily10 — Cytochrome P450

8. Citations (1)

9. Files and Curves (10)