› 1qs7

X-ray diffraction
1.8Å resolution

The 1.8 angstrom structure of calmodulin rs20 peptide complex

Released:
DOI: 10.2210/pdb1qs7/pdb
PDB entry 1qs7 coloured by chain, front view.
PDB entry 1qs7 coloured by chain, side view.
PDB entry 1qs7 coloured by chain, top view.
Source organisms:
Entry authors: Weigand S, Anderson WF

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
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-106131 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
EF-hand domain-containing protein Chains: A, C
Molecule details ›
Chains: A, C
Length: 145 amino acids
Theoretical weight: 16.33 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: A0MMD0 (Residues: 5-149; Coverage: 97%)
Sequence domains: EF-hand domain pair
Structure domains: EF-hand
Myosin light chain kinase, smooth muscle, deglutamylated form Chains: B, D
Molecule details ›
Chains: B, D
Length: 21 amino acids
Theoretical weight: 2.33 KDa
Source organism: Gallus gallus
Expression system: Not provided
UniProt:
  • Canonical: P11799 (Residues: 1731-1750; Coverage: 1%)
Gene name: Mylk

Ligands and Environments

1 bound ligand:
Ligand CA 8 x CA
1 modified residue:
Ligand TRF 2 x TRF

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P21
Unit cell:
a: 41.016Å b: 54.481Å c: 66.304Å
α: 90° β: 92.759° γ: 90°
R-values:
R R work R free
0.228 0.228 0.259
Expression systems:
  • Escherichia coli
  • Not provided

Quick links