› 2tma

X-ray diffraction
15Å resolution

TROPOMYOSIN CRYSTAL STRUCTURE AND MUSCLE REGULATION. APPENDIX. CONSTRUCTION OF AN ATOMIC MODEL FOR TROPOMYOSIN AND IMPLICATIONS FOR INTERACTIONS WITH ACTIN

Released:
DOI: 10.2210/pdb2tma/pdb
PDB entry 2tma coloured by chain, front view.
PDB entry 2tma coloured by chain, side view.
PDB entry 2tma coloured by chain, top view.
Source organism: Oryctolagus cuniculus
Primary publication:
Construction of an atomic model for tropomyosin and implications for interactions with actin.
Phillips GN
J Mol Biol 192 128-31 (1986)
PMID: 3820300

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domain:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-157722 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tropomyosin alpha-1 chain Chains: A, B
Molecule details ›
Chains: A, B
Length: 284 amino acids
Theoretical weight: 32.74 KDa
Source organism: Oryctolagus cuniculus
Expression system: Not provided
UniProt:
  • Canonical: P58772 (Residues: 1-284; Coverage: 100%)
Gene names: TPM1, TPMA
Sequence domains: Tropomyosin

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 119.6Å b: 240Å c: 298Å
α: 90° β: 90° γ: 90°
Expression system: Not provided

Quick links

Citations

3 review citations

Tropomyosin: double helix from the protein world.
Nevzorov et al. (2011)
2 more

7 mentions without citation

Understanding a protein fold: The physics, chemistry, and biology of α-helical coiled coils.
Woolfson DN. (2023)
6 more