1Q98

Structure of a Thiol Peroxidase from Haemophilus influenzae Rd

• PDB DOI: https://doi.org/10.2210/pdb1Q98/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Haemophilus influenzae
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2003-08-22 Released: 2003-09-09 
• Deposition Author(s): Kniewel, R., Buglino, J., Solorzano, V., Wu, J., Lima, C.D., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.267 
• R-Value Work: 0.225 
• R-Value Observed: 0.225 

Literature

Structure of a Thiol Peroxidase from Haemophilus influenzae Rd

Kniewel, R., Buglino, J., Solorzano, V., Wu, J., Lima, C.D.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 35.28 kDa 
• Atom Count: 2,739 
• Modelled Residue Count: 328 
• Deposited Residue Count: 330 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Thiol Peroxidase	A, B	165	Haemophilus influenzae	Mutation(s): 0  Gene Names: tpx, HI0751 EC: 1.11.1 (PDB Primary Data), 1.11.1.24 (UniProt)
UniProt
Find proteins for Q57549 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)) Explore Q57549  Go to UniProtKB:  Q57549

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.267 
• R-Value Work: 0.225 
• R-Value Observed: 0.225 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 35.033	α = 90
b = 43.667	β = 97.34
c = 104.587	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-09-09 
Deposition Author(s): Kniewel, R., Buglino, J., Solorzano, V., Wu, J., Lima, C.D., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2003-09-09
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-02-03
  Changes: Structure summary
• Version 1.4: 2024-10-30
  Changes: Data collection, Database references, Structure summary