1pen

X-ray diffraction
1.1Å resolution

Function and Biology Details

Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-156280 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alpha-conotoxin PnIA Chain: A
Molecule details ›
Chain: A
Length: 17 amino acids
Theoretical weight: 1.63 KDa
Source organism: Conus pennaceus
Expression system: Not provided
UniProt:
  • Canonical: P50984 (Residues: 1-16; Coverage: 100%)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 15Å b: 19.8Å c: 16.5Å
α: 90° β: 113.4° γ: 90°
R-values:
R R work R free
0.127 0.127 0.152
Expression system: Not provided