› 1c4d

X-ray diffraction
2Å resolution

GRAMICIDIN CSCL COMPLEX

Released:
DOI: 10.2210/pdb1c4d/pdb
PDB entry 1c4d coloured by chain, front view.
PDB entry 1c4d coloured by chain, side view.
PDB entry 1c4d coloured by chain, top view.
Source organism: Brevibacillus brevis
Primary publication:
The gramicidin pore: crystal structure of a cesium complex.
Wallace BA, Ravikumar K
Science 241 182-7 (1988)
PMID: 2455344

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-162125 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
GRAMICIDIN A Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 16 amino acids
Theoretical weight: 1.88 KDa
Source organism: Brevibacillus brevis

Ligands and Environments

3 bound ligands:
Ligand CS 8 x CS
Ligand CL 6 x CL
Ligand MOH 13 x MOH
3 modified residues:
Ligand FVA 4 x FVA
Ligand DLE 16 x DLE
Ligand DVA 8 x DVA

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 32.118Å b: 52.103Å c: 31.174Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.232 0.232 not available

Quick links

Citations

18 review citations

Physical properties of the fluid lipid-bilayer component of cell membranes: a perspective.
Bloom et al. (1991)
17 more

3 mentions without citation

The Uniqueness of Tryptophan in Biology: Properties, Metabolism, Interactions and Localization in Proteins.
Barik S. (2020)
2 more