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Cryo-EM structure of cardiac muscle alpha-actin

Electron Microscopy
3.07Å resolution
PDB entry 8dmy coloured by chain, front view.
PDB entry 8dmy coloured by chain, side view.
PDB entry 8dmy coloured by chain, top view.
Source organism: Bos taurus
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Actin, alpha cardiac muscle 1
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Multimeric state: homo tetramer
Accessible surface area: 65488.62 Å2
Buried surface area: 10753.0 Å2
Dissociation area: 1,019.71 Å2
Dissociation energy (ΔGdiss): -4.82 kcal/mol
Dissociation entropy (TΔSdiss): 15.75 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-199934

Macromolecules

Actin, alpha cardiac muscle 1
Chains: A, B, C, D
Length: 374 amino acids
Theoretical weight: 41.73 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q3ZC07 (Residues: 4-377; Coverage: 99%)
Gene names: ACTC, ACTC1
Pfam: Actin
InterPro:
Actin, alpha cardiac muscle 1 in PDB entry 8dmy, assembly 1, front view.
Actin, alpha cardiac muscle 1 in PDB entry 8dmy, assembly 1, side view.
Actin, alpha cardiac muscle 1 in PDB entry 8dmy, assembly 1, top view.
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