› 1cos

X-ray diffraction
2.1Å resolution

CRYSTAL STRUCTURE OF A SYNTHETIC TRIPLE-STRANDED ALPHA-HELICAL BUNDLE

Released:
DOI: 10.2210/pdb1cos/pdb
PDB entry 1cos coloured by chain, front view.
PDB entry 1cos coloured by chain, side view.
PDB entry 1cos coloured by chain, top view.
Source organism: Unidentified
Primary publication:
Crystal structure of a synthetic triple-stranded alpha-helical bundle.
Lovejoy B, Choe S, Cascio D, McRorie DK, DeGrado WF, Eisenberg D
Science 259 1288-93 (1993)
PMID: 8446897

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-162138 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
COILED SERINE Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 31 amino acids
Theoretical weight: 3.34 KDa
Source organism: Unidentified
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 27.7Å b: 38.7Å c: 77.8Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.18 0.18 not available
Expression system: Not provided

Quick links

Citations

30 review citations

De novo design and structural characterization of proteins and metalloproteins.
DeGrado et al. (1999)
29 more

4 mentions without citation

Fidelity at the molecular level: lessons from protein synthesis.
Zaher et al. (2009)
3 more