› 1q98

X-ray diffraction
1.9Å resolution

Structure of a Thiol Peroxidase from Haemophilus influenzae Rd

Released:
DOI: 10.2210/pdb1q98/pdb
PDB entry 1q98 coloured by chain, front view.
PDB entry 1q98 coloured by chain, side view.
PDB entry 1q98 coloured by chain, top view.
Source organism: Haemophilus influenzae
Entry authors: Kniewel R, Buglino J, Solorzano V, Wu J, Lima CD, Burley SK, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

Reaction catalysed: 
Thioredoxin + ROOH = thioredoxin disulfide + H(2)O + ROH
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-176430 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Thiol peroxidase Chains: A, B
Molecule details ›
Chains: A, B
Length: 165 amino acids
Theoretical weight: 17.64 KDa
Source organism: Haemophilus influenzae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q57549 (Residues: 1-165; Coverage: 100%)
Gene names: HI_0751, tpx
Sequence domains: Redoxin
Structure domains: Glutaredoxin

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: P21
Unit cell:
a: 35.033Å b: 43.667Å c: 104.587Å
α: 90° β: 97.34° γ: 90°
R-values:
R R work R free
0.225 0.225 0.267
Expression system: Escherichia coli BL21(DE3)

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