1H6N

FORMATION OF A TYROSYL RADICAL INTERMEDIATE IN PROTEUS MIRABILIS CATALASE BY DIRECTED MUTAGENESIS AND CONSEQUENCES FOR NUCLEOTIDE REACTIVITY

Structural Biology Knowledgebase: 1H6N SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.11 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.220

Literature

Macromolecules
Sequence Display for 1H6N

Classification: OXIDOREDUCTASE (H2O2 ACCEPTOR)

Total Structure Weight: 56514.58

Macromolecule Entities
Molecule Chains Length Organism Details
CATALASE A 484 Proteus mirabilis EC#: 1.11.1.6 IUBMB
Mutation: F194Y
Details: METHIONINE SULFONE IN POSITION 53 TYROSINE 337 LACKS THE HYDROXYL HYDROGEN
Gene Name(s): katA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 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)
SO4
Query on SO4

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

A ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
OMT
Query on OMT
A L-PEPTIDE LINKING C5 H11 N O4 S MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.11 Å
  • R-Value Free: 0.236
  • R-Value Work: 0.220
  • Space Group: P 62 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 109.90 α = 90.00
b = 109.90 β = 90.00
c = 249.78 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-06-20
  • Released Date: 2003-10-03
  • Deposition author(s): Andreoletti, P., Sainz, G., Jaquinod, M., Gagnon, J., Jouve, H.M.

Revision History

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