3por

X-ray diffraction
2.5Å resolution

PORIN CONFORMATION IN THE ABSENCE OF CALCIUM; REFINED STRUCTURE AT 2.5 ANGSTROMS RESOLUTION

Released:
Source organism: Rhodobacter capsulatus
Primary publication:
Porin conformation in the absence of calcium. Refined structure at 2.5 A resolution.
J. Mol. Biol. 231 817-24 (1993)
PMID: 7685826

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Porin Chain: A
Molecule details ›
Chain: A
Length: 301 amino acids
Theoretical weight: 31.56 KDa
Source organism: Rhodobacter capsulatus
Expression system: Not provided
UniProt:
  • Canonical: P31243 (Residues: 1-301; Coverage: 100%)
Sequence domains: Gram-negative porin
Structure domains: Porin

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: R3
Unit cell:
a: 95.3Å b: 95.3Å c: 146.8Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.188 0.188 not available
Expression system: Not provided