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Ternary complex of MLC1P bound to IQ2 and IQ3 of Myo2p, a class V myosin

X-ray diffraction
2Å resolution
PDB entry 1n2d coloured by chain, front view.
PDB entry 1n2d coloured by chain, side view.
PDB entry 1n2d coloured by chain, top view.
Source organisms:
Assembly composition:
hetero trimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Myosin light chain 1 and Myosin-2
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Multimeric state: hetero trimer
Accessible surface area: 18799.24 Å2
Buried surface area: 5203.49 Å2
Dissociation area: 1,418.37 Å2
Dissociation energy (ΔGdiss): 10.28 kcal/mol
Dissociation entropy (TΔSdiss): 12.29 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-148626

Macromolecules

Myosin light chain 1
Chains: A, B
Length: 148 amino acids
Theoretical weight: 16.33 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P53141 (Residues: 2-149; Coverage: 99%)
Gene names: G3080, MLC1, YGL106W
InterPro:
CATH: EF-hand
SCOP: Calmodulin-like
Myosin light chain 1 in PDB entry 1n2d, assembly 1, front view.
Myosin light chain 1 in PDB entry 1n2d, assembly 1, side view.
Myosin light chain 1 in PDB entry 1n2d, assembly 1, top view.
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Myosin-2
Chain: C
Length: 48 amino acids
Theoretical weight: 5.54 KDa
Source organism: Saccharomyces cerevisiae S288C
Expression system: Not provided
UniProt:
  • Canonical: P19524 (Residues: 806-853; Coverage: 3%)
Gene names: CDC66, MYO2, O6167, YOR326W
InterPro: IQ motif, EF-hand binding site
CATH: Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Myosin-2 in PDB entry 1n2d, assembly 1, front view.
Myosin-2 in PDB entry 1n2d, assembly 1, side view.
Myosin-2 in PDB entry 1n2d, assembly 1, top view.
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