4atj

DISTAL HEME POCKET MUTANT (H42E) OF RECOMBINANT HORSERADISH PEROXIDASE IN COMPLEX WITH BENZHYDROXAMIC ACID

Method: X-RAY DIFFRACTION Dmax: 83.8 Å Quality: EXCELLENT

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

PROTEIN (PEROXIDASE C1A)

Armoracia rusticana

UniProt P00433

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 30–338 Mutation:H42E CA CALCIUM ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 BHO BENZHYDROXAMIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;pH 6.5 Resolution 2.50 Å R-free 0.194
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 30–338 Mutation:H42E CA CALCIUM ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 BHO BENZHYDROXAMIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;pH 6.5 Resolution 2.50 Å R-free 0.194

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.

31 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PER1A_ARMRU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–309; UniProt 30–338 Author chain B; PDBConstruct 1–309; UniProt 30–338

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 4atj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4atj
Deposition date deposition_date1999-04-19
Structure title titleDISTAL HEME POCKET MUTANT (H42E) OF RECOMBINANT HORSERADISH PEROXIDASE IN COMPLEX WITH BENZHYDROXAMIC ACID
Keywords keywordsOXIDOREDUCTASE, PEROXIDASE, HEME ENZYME, MUTANT; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier27.44
Radius of gyration Rg (electron density) rg_electron26.56
Forward intensity I(0) i082612800.00
Molecular weight molecular_weight69568.0 kDa
Excluded volume excluded_volume86387 ų
Envelope volume envelope_volume102310 ų
Hydration-shell volume shell_volume31868 ų
Envelope diameter envelope_diameter87.2
Shell Rg shell_rg34.08
Envelope Rg envelope_rg26.31
Shape Rg shape_rg26.56
Total Rg total_rg27.31
Total atoms total_atoms4880
Residues n_residues618
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 dmax83.8
Rg (real space) rg_real27.37
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real8.2610e+07
I(0) uncertainty (real space) i0_real_error1.2380e+06
Rg (reciprocal space) rg_reciprocal27.39
I(0) (reciprocal space) i0_reciprocal82610000.0000
Solution quality estimate total_estimate0.9104
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.3
Skewness Skewness skewness0.240
Kurtosis Kurtosis kurtosis-0.572
Angular range angular_range— – 0.2900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22330000.0000
Real-space data points n_real_points59
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.966; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.935

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4atja1
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_idd4atja2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4atjb1
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_idd4atjb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id4atjA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id4atjA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily10 — Peroxidase, domain 2
Domain ID domain_id4atjB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id4atjB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily10 — Peroxidase, domain 2

8. Citations (3)

9. Files and Curves (10)