1h58

STRUCTURE OF FERROUS HORSERADISH PEROXIDASE C1A

Method: X-RAY DIFFRACTION Dmax: 64.7 Å Quality: REASONABLE

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

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 31–338 Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 1 ACT ACETATE ION × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6.5;20% (W/V) PEG 4000, 0.2 M CALCIUM ACETATE, 0.1 M CACODYLATE BUFFER, PH 6.5 THE FERROUS STATE WAS FORMED BY SOAKING THE CRYSTALS FOR 30 MINUTES IN A RESERVOIR SOLUTION SUPPLEMENTED WITH 100 MM SODIUM DITHIONITE AND PEG400 BEFORE FLASH FREEZING Resolution 1.70 Å R-free 0.200

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 34 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PERA_ARMRU
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–308; UniProt 31–338

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 1h58

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1h58
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1h58
Deposition date deposition_date2001-05-20
Structure title titleSTRUCTURE OF FERROUS HORSERADISH PEROXIDASE C1A
Keywords keywordsOXIDOREDUCTASE, PEROXIDASE, HORSERADISH, FERROUS STATE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.05
Radius of gyration Rg (electron density) rg_electron19.00
Forward intensity I(0) i021227800.00
Molecular weight molecular_weight34455.0 kDa
Excluded volume excluded_volume42809 ų
Envelope volume envelope_volume47012 ų
Hydration-shell volume shell_volume20567 ų
Envelope diameter envelope_diameter66.7
Shell Rg shell_rg25.52
Envelope Rg envelope_rg19.30
Shape Rg shape_rg18.98
Total Rg total_rg19.91
Total atoms total_atoms2418
Residues n_residues306
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 dmax64.7
Rg (real space) rg_real19.99
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real2.1230e+07
I(0) uncertainty (real space) i0_real_error2.5520e+05
Rg (reciprocal space) rg_reciprocal20.00
I(0) (reciprocal space) i0_reciprocal21230000.0000
Solution quality estimate total_estimate0.7211
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.274
Kurtosis Kurtosis kurtosis-0.302
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5169000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.867; Stabil: 1.000; Sysdev: 0.260; Positv: 1.000; Valcen: 0.998; Smooth: 0.993

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1h58a_
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

CATH v4.4 (2 domains)

Domain ID domain_id1h58A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology520 — Peroxidase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1h58A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology420 — Peroxidase; domain 2
Homologous superfamily homologous superfamily10 — Peroxidase, domain 2

8. Citations (4)

9. Files and Curves (10)