8efi

Electron Microscopy
3.4Å resolution

Helical reconstruction of the human cardiac actin-tropomyosin-myosin complex in the rigor form

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-110397 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Myosin-7 Chain: M
Molecule details ›
Chain: M
Length: 1935 amino acids
Theoretical weight: 223.45 KDa
Source organism: Homo sapiens
Expression system: Mus musculus
UniProt:
  • Canonical: P12883 (Residues: 1-1935; Coverage: 100%)
Gene names: MYH7, MYHCB
Sequence domains:
Actin, alpha cardiac muscle 1 Chains: B, C, D, E, F
Molecule details ›
Chains: B, C, D, E, F
Length: 377 amino acids
Theoretical weight: 42.06 KDa
Source organism: Sus scrofa
UniProt:
  • Canonical: B6VNT8 (Residues: 1-377; Coverage: 100%)
Gene name: ACTC1
Sequence domains: Actin
Tropomyosin alpha-1 chain Chains: O, P
Molecule details ›
Chains: O, P
Length: 284 amino acids
Theoretical weight: 32.76 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P09493 (Residues: 1-284; Coverage: 100%)
Gene names: C15orf13, TMSA, TPM1
Sequence domains: Tropomyosin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.4Å
Relevant EMDB volumes: EMD-28083
Expression systems:
  • Mus musculus
  • Escherichia coli