1ITK

Crystal structure of catalase-peroxidase from Haloarcula marismortui

Structural Biology Knowledgebase: 1ITK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.203
  • R-Value Work: 0.182

Literature

Macromolecules
Sequence Display for 1ITK

Classification: OXIDOREDUCTASE

Total Structure Weight: 165298.42

Macromolecule Entities
Molecule Chains Length Organism Details
catalase-peroxidase A, B 731 Haloarcula marismortui EC#: 1.11.1.21 IUBMB
Gene Name(s): katG2 Hmcp rrnAC1171
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HEM
Query on HEM

A, B PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A, B CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
UNX
Query on UNX

A, B UNKNOWN ATOM OR ION
X
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.203
  • R-Value Work: 0.182
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 317.63 α = 90.00
b = 82.14 β = 100.24
c = 75.10 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-01-18
  • Released Date: 2002-08-28
  • Deposition author(s): Yamada, Y., Fujiwara, T., Sato, T., Igarashi, N., Tanaka, N.

Revision History

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