3lkt

X-ray diffraction
1.65Å resolution

Tyrosine 447 of Protocatechuate 3,4-Dioxygenase Controls Efficient Progress Through Catalysis

Released:
Source organism: Pseudomonas putida
Entry authors: Lipscomb JD, Purpero VM

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 24-mer (preferred)
PDBe Complex ID:
PDB-CPX-132482 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protocatechuate 3,4-dioxygenase alpha chain Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 200 amino acids
Theoretical weight: 22.28 KDa
Source organism: Pseudomonas putida
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P00436 (Residues: 2-201; Coverage: 100%)
Gene name: pcaG
Sequence domains: Dioxygenase
Structure domains: Aromatic compound dioxygenase
Protocatechuate 3,4-dioxygenase beta chain Chains: M, N, O, P, Q, R
Molecule details ›
Chains: M, N, O, P, Q, R
Length: 238 amino acids
Theoretical weight: 26.67 KDa
Source organism: Pseudomonas putida
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P00437 (Residues: 2-239; Coverage: 100%)
Gene name: pcaH
Sequence domains:
Structure domains: Aromatic compound dioxygenase

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: C2
Unit cell:
a: 190.31Å b: 168.04Å c: 128.16Å
α: 90° β: 132.3° γ: 90°
R-values:
R R work R free
0.15 0.148 0.173
Expression system: Escherichia coli BL21(DE3)