› 4bwu

X-ray diffraction
1.76Å resolution

Three-dimensional structure of the K109A mutant of Paracoccus pantotrophus pseudoazurin at pH 5.5

Released:
DOI: 10.2210/pdb4bwu/pdb
PDB entry 4bwu coloured by chain, front view.
PDB entry 4bwu coloured by chain, side view.
PDB entry 4bwu coloured by chain, top view.
Source organism: Paracoccus pantotrophus
Entry authors: Freire F, Mestre A, Pinho J, Najmudin S, Bonifacio C, Pauleta SR, Romao MJ

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-160404 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Pseudoazurin Chains: A, B
Molecule details ›
Chains: A, B
Length: 123 amino acids
Theoretical weight: 13.3 KDa
Source organism: Paracoccus pantotrophus
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P80401 (Residues: 23-145; Coverage: 100%)
Gene name: pazS
Sequence domains: Copper binding proteins, plastocyanin/azurin family
Structure domains: Cupredoxins - blue copper proteins

Ligands and Environments

2 bound ligands:
Ligand CU 2 x CU
Ligand SO4 5 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Unit cell:
a: 49.85Å b: 66.17Å c: 68.63Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.152 0.149 0.207
Expression system: Escherichia coli BL21

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