› 1o7e

X-ray diffraction
1.51Å resolution

Crystal structure of the class A beta-lactamse L2 from Stenotrophomonas maltophilia at 1.51 angstrom

Released:
DOI: 10.2210/pdb1o7e/pdb
PDB entry 1o7e coloured by chain, front view.
PDB entry 1o7e coloured by chain, side view.
PDB entry 1o7e coloured by chain, top view.
Source organism: Stenotrophomonas maltophilia
Entry authors: Pernot L, Petrella S, Sougakoff W

Function and Biology Details

Reaction catalysed: 
A beta-lactam + H(2)O = a substituted beta-amino acid
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-193129 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-lactamase Chains: A, B
Molecule details ›
Chains: A, B
Length: 276 amino acids
Theoretical weight: 29.16 KDa
Source organism: Stenotrophomonas maltophilia
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q9RBQ1 (Residues: 28-303; Coverage: 100%)
Gene names: L2, blaL2
Sequence domains:
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

2 bound ligands:
Ligand GOL 3 x GOL
Ligand SO4 13 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LURE BEAMLINE DW32
Spacegroup: P41212
Unit cell:
a: 133.216Å b: 133.216Å c: 93.861Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.17 0.163 0.184
Expression system: Escherichia coli BL21

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