3d4e

X-ray diffraction
1.4Å resolution

Crystal structure of putative beta-lactamase inhibitor protein (NP_721579.1) from STREPTOCOCCUS MUTANS at 1.40 A resolution

Released:
Source organism: Streptococcus mutans
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-184213 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
DUF3862 domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 179 amino acids
Theoretical weight: 20.16 KDa
Source organism: Streptococcus mutans
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8DTX1 (Residues: 29-206; Coverage: 86%)
Gene name: SMU_1196c
Sequence domains: Domain of Unknown Function with PDB structure (DUF3862)
Structure domains: Beta-lactamase Inhibitory Protein; Chain:B, domain 1

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: C2
Unit cell:
a: 180.695Å b: 28.373Å c: 32.64Å
α: 90° β: 90.01° γ: 90°
R-values:
R R work R free
0.176 0.175 0.201
Expression system: Escherichia coli