1IYN

Crystal structure of chloroplastic ascorbate peroxidase from tobacco plants and structural insights for its instability

Structural Biology Knowledgebase: 1IYN SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.222
  • R-Value Work: 0.191

Literature

Macromolecules
Sequence Display for 1IYN

Classification: Oxidoreductase

Total Structure Weight: 32944.91

Macromolecule Entities
Molecule Chains Length Organism Details
Chloroplastic ascorbate peroxidase A 295 Nicotiana tabacum EC#: 1.11.1.11 IUBMB
Gene Name(s): sapx
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HEM
Query on HEM

A PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

A SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.222
  • R-Value Work: 0.191
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 37.19 α = 90.00
b = 76.79 β = 90.00
c = 98.78 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-09-03
  • Released Date: 2003-09-03
  • Deposition author(s): Wada, K., Tada, T., Nakamura, Y.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4