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Crystal Structure of Myosin-1c tail in complex with Calmodulin

X-ray diffraction
3.503Å resolution
PDB entry 4r8g coloured by chain, front view.
PDB entry 4r8g coloured by chain, side view.
PDB entry 4r8g coloured by chain, top view.
Source organisms:
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Calmodulin-1 and Unconventional myosin-Ic
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Multimeric state: hetero tetramer
Accessible surface area: 37904.43 Å2
Buried surface area: 12248.36 Å2
Dissociation area: 1,596.37 Å2
Dissociation energy (ΔGdiss): 17.96 kcal/mol
Dissociation entropy (TΔSdiss): 12.85 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-144052

Macromolecules

Unconventional myosin-Ic
Chain: E
Length: 335 amino acids
Theoretical weight: 38.11 KDa
Source organism: Mus musculus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9WTI7 (Residues: 733-1063; Coverage: 31%)
Gene name: Myo1c
Pfam:
InterPro:
Unconventional myosin-Ic in PDB entry 4r8g, assembly 1, front view.
Unconventional myosin-Ic in PDB entry 4r8g, assembly 1, side view.
Unconventional myosin-Ic in PDB entry 4r8g, assembly 1, top view.
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Calmodulin-1
Chains: A, B, H
Length: 148 amino acids
Theoretical weight: 16.72 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli
UniProt:
  • Canonical: P0DP33 (Residues: 2-149; Coverage: 99%)
Gene name: calm1
Pfam: EF-hand domain pair
InterPro:
Calmodulin-1 in PDB entry 4r8g, assembly 1, front view.
Calmodulin-1 in PDB entry 4r8g, assembly 1, side view.
Calmodulin-1 in PDB entry 4r8g, assembly 1, top view.
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