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Complex of ATP-actin With the C-terminal Actin-Binding Domain of Tropomodulin

X-ray diffraction
2.3Å resolution
PDB entry 4pki coloured by chain, front view.
PDB entry 4pki coloured by chain, side view.
PDB entry 4pki coloured by chain, top view.
Source organisms:
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Gelsolin, Tropomodulin-1 and Actin, alpha skeletal muscle
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Multimeric state: hetero dimer
Accessible surface area: 27435.3 Å2
Buried surface area: 7062.97 Å2
Dissociation area: 2,902.89 Å2
Dissociation energy (ΔGdiss): 24.58 kcal/mol
Dissociation entropy (TΔSdiss): 14.58 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-139008

Macromolecules

Actin, alpha skeletal muscle
Chain: A
Length: 377 amino acids
Theoretical weight: 42.11 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: P68135 (Residues: 1-377; Coverage: 100%)
Gene names: ACTA, ACTA1
Pfam: Actin
InterPro:
CATH:
Actin, alpha skeletal muscle in PDB entry 4pki, assembly 1, front view.
Actin, alpha skeletal muscle in PDB entry 4pki, assembly 1, side view.
Actin, alpha skeletal muscle in PDB entry 4pki, assembly 1, top view.
Molecule details ›

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Gelsolin; Tropomodulin-1
Chain: G
Length: 324 amino acids
Theoretical weight: 36.04 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P06396 (Residues: 52-176; Coverage: 17%)
  • Canonical: P28289 (Residues: 160-349; Coverage: 53%)
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Gene names: D9S57E, GSN, TMOD, TMOD1
Pfam: Gelsolin repeat
InterPro:
CATH:
Gelsolin in PDB entry 4pki, assembly 1, front view.
Gelsolin in PDB entry 4pki, assembly 1, side view.
Gelsolin in PDB entry 4pki, assembly 1, top view.
Molecule details ›

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