› 2r2c

X-ray diffraction
1.8Å resolution

Crystal structure of a domain of the outer membrane lipoprotein Omp28 from Porphyromonas gingivalis

Released:
DOI: 10.2210/pdb2r2c/pdb
PDB entry 2r2c coloured by chain, front view.
PDB entry 2r2c coloured by chain, side view.
PDB entry 2r2c coloured by chain, top view.
Source organism: Porphyromonas gingivalis W83
Entry authors: Zhang R, Hatzos C, Moy S, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-193388 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
28 kDa outer membrane protein Omp28 Chains: A, B
Molecule details ›
Chains: A, B
Length: 183 amino acids
Theoretical weight: 20.95 KDa
Source organism: Porphyromonas gingivalis W83
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q9S3Q1 (Residues: 108-290; Coverage: 67%)
Gene name: omp28
Sequence domains: Outer membrane protein Omp28
Structure domains: Immunoglobulins

Ligands and Environments

No bound ligands
1 modified residue:
Ligand MSE 8 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: C2221
Unit cell:
a: 77.831Å b: 110.342Å c: 90.73Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.175 0.174 0.201
Expression system: Escherichia coli BL21

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