› 1qwd

X-ray diffraction
1.75Å resolution

CRYSTAL STRUCTURE OF A BACTERIAL LIPOCALIN, THE BLC GENE PRODUCT FROM E. COLI

Released:
DOI: 10.2210/pdb1qwd/pdb
PDB entry 1qwd coloured by chain, front view.
PDB entry 1qwd coloured by chain, side view.
PDB entry 1qwd coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
The crystal structure of the Escherichia coli lipocalin Blc suggests a possible role in phospholipid binding.
Campanacci V, Nurizzo D, Spinelli S, Valencia C, Tegoni M, Cambillau C
FEBS Lett 562 183-8 (2004)
PMID: 15044022

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-141760 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Outer membrane lipoprotein Blc Chains: A, B
Molecule details ›
Chains: A, B
Length: 177 amino acids
Theoretical weight: 20.38 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A901 (Residues: 23-177; Coverage: 98%)
Gene names: JW4110, b4149, blc, yjeL
Sequence domains: Lipocalin-like domain
Structure domains: Lipocalin

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P212121
Unit cell:
a: 57.999Å b: 80.779Å c: 88.953Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.171 0.169 0.204
Expression system: Escherichia coli

Quick links

Citations

3 review citations

Lipocalins - a family portrait.
Grzyb et al. (2006)
2 more

11 mentions without citation

Structure and biochemical analysis of a secretin pilot protein.
Lario et al. (2005)
10 more