X-ray diffraction
2.1Å resolution

Crystal Structure of Aspergillus niger EstA


Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Carboxylic ester hydrolase Chains: A, B
Molecule details ›
Chains: A, B
Length: 522 amino acids
Theoretical weight: 56.93 KDa
Source organism: Aspergillus niger
Expression system: Aspergillus niger
  • Canonical: Q6ED33 (Residues: 17-538; Coverage: 100%)
Gene names: ATCC64974_25040, CAN33_0010660, estA
Sequence domains: Carboxylesterase family
Structure domains: alpha/beta hydrolase

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, MAN
Carbohydrate polymer : NEW Components: NAG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-2
Spacegroup: P63
Unit cell:
a: 167.489Å b: 167.489Å c: 112.827Å
α: 90° β: 90° γ: 120°
R R work R free
0.158 0.158 0.184
Expression system: Aspergillus niger