› 1qe3

X-ray diffraction
1.5Å resolution

PNB ESTERASE

Released:
DOI: 10.2210/pdb1qe3/pdb
PDB entry 1qe3 coloured by chain, front view.
PDB entry 1qe3 coloured by chain, side view.
PDB entry 1qe3 coloured by chain, top view.
Source organism: Bacillus subtilis
Primary publication:
A structural view of evolutionary divergence.
Spiller B, Gershenson A, Arnold FH, Stevens RC
Proc Natl Acad Sci U S A 96 12305-10 (1999)
PMID: 10535917

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-153525 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Para-nitrobenzyl esterase Chain: A
Molecule details ›
Chain: A
Length: 489 amino acids
Theoretical weight: 54.05 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
UniProt:
  • Canonical: P37967 (Residues: 1-489; Coverage: 100%)
Gene names: BSU34390, estB, pnbA
Sequence domains: Carboxylesterase family
Structure domains: alpha/beta hydrolase

Ligands and Environments

2 bound ligands:
Ligand SO4 1 x SO4
Ligand ZN 1 x ZN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: P212121
Unit cell:
a: 67.241Å b: 80.714Å c: 99.575Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.22 0.22 0.24
Expression system: Escherichia coli

Quick links

Citations

23 review citations

Exploring protein fitness landscapes by directed evolution.
Romero et al. (2009)
22 more

15 mentions without citation

A structural view of evolutionary divergence.
Spiller et al. (1999)
14 more