PDBe 1sqs

X-ray diffraction
1.5Å resolution

X-Ray Crystal Structure Protein SP1951 of Streptococcus pneumoniae. Northeast Structural Genomics Consortium Target SpR27.


Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
conserved hypothetical protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 242 amino acids
Theoretical weight: 28.44 KDa
Source organism: Streptococcus pneumoniae TIGR4
Expression system: Escherichia coli
  • Canonical: A0A0H2URW2 (Residues: 1-234; Coverage: 100%)
Gene name: SP_1951
Sequence domains: NADPH-dependent FMN reductase
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P21
Unit cell:
a: 49.161Å b: 81.994Å c: 63.45Å
α: 90° β: 94.62° γ: 90°
R R work R free
0.2 0.2 0.22
Expression system: Escherichia coli