X-ray diffraction
2.7Å resolution

Crystal structure of the C-terminal region of striated muscle alpha-tropomyosin at 2.7 angstrom resolution


Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo tetramer
Entry contents:
1 distinct polypeptide molecule
General control transcription factor GCN4; Tropomyosin alpha-1 chain Chains: A, B
Molecule details ›
Chains: A, B
Length: 56 amino acids
Theoretical weight: 6.6 KDa
Source organisms: Expression system: Escherichia coli
  • Canonical: P03069 (Residues: 257-278; Coverage: 8%)
  • Canonical: P04692 (Residues: 230-231, 254-284; Coverage: 12%)
Gene names: AAS101, AAS3, ARG9, Alpha-tm, GCN4, Tpm1, Tpma, 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: P6422
Unit cell:
a: 137.202Å b: 137.202Å c: 40.071Å
α: 90° β: 90° γ: 120°
R R work R free
0.255 0.252 0.289
Expression system: Escherichia coli