PDBe 1nkn

X-ray diffraction
2.5Å resolution

VISUALIZING AN UNSTABLE COILED COIL: THE CRYSTAL STRUCTURE OF AN N-TERMINAL SEGMENT OF THE SCALLOP MYOSIN ROD

Released:

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)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Myosin heavy chain; General control protein GCN4 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 89 amino acids
Theoretical weight: 10.56 KDa
Source organisms: Expression system: Escherichia coli
UniProt:
  • Canonical: Q17042 (Residues: 838-890; Coverage: 3%)
  • Canonical: P03069 (Residues: 250-281; Coverage: 11%)
  • nullnull
Gene names: AAS3, ARG9, GCN4, YEL009C
Structure domains: Single alpha-helices involved in coiled-coils or other helix-helix interfaces

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P212121
Unit cell:
a: 54.034Å b: 73.303Å c: 102.975Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.247 0.244 0.289
Expression system: Escherichia coli