3kf9

X-ray diffraction
2.6Å resolution

Crystal structure of the SdCen/skMLCK complex

Released:
Source organisms:
Entry authors: Radu L, Assairi L, Blouquit Y, Durand D, Miron S, Charbonnier JB, Craescu CT

Function and Biology Details

Reaction catalysed:
ATP + [myosin light-chain] = ADP + [myosin light-chain] phosphate
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-170398 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Caltractin Chains: A, C
Molecule details ›
Chains: A, C
Length: 149 amino acids
Theoretical weight: 17.22 KDa
Source organism: Scherffelia dubia
Expression system: Escherichia coli
UniProt:
  • Canonical: Q06827 (Residues: 20-168; Coverage: 89%)
Sequence domains: EF-hand domain pair
Structure domains: EF-hand
Myosin light chain kinase 2, skeletal/cardiac muscle Chains: B, D
Molecule details ›
Chains: B, D
Length: 22 amino acids
Theoretical weight: 2.64 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q9H1R3 (Residues: 566-587; Coverage: 4%)
Gene name: MYLK2

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SOLEIL BEAMLINE PROXIMA 1
Spacegroup: P212121
Unit cell:
a: 40.75Å b: 67.75Å c: 129.53Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.204 0.2 0.29
Expression systems:
  • Escherichia coli
  • Not provided