3evv

X-ray diffraction
2.6Å resolution

Crystal Structure of Calcium bound dimeric GCAMP2 (#2)

Released:
Primary publication:
Structural basis for calcium sensing by GCaMP2.
Structure 16 1817-27 (2008)
PMID: 19081058

Function and Biology Details

Reaction catalysed:
ATP + [myosin light-chain] = ADP + [myosin light-chain] phosphate

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-143905 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Calmodulin-1; Green fluorescent protein; Myosin light chain kinase, smooth muscle, deglutamylated form Chain: A
Molecule details ›
Chain: A
Length: 451 amino acids
Theoretical weight: 51.31 KDa
Source organisms: Expression system: Escherichia coli
UniProt:
  • Canonical: P11799 (Residues: 1730-1749, 1752-1763; Coverage: 2%)
  • Canonical: P42212 (Residues: 2-67, 72-148; Coverage: 60%)
  • Canonical: P0DP23 (Residues: 5-149; Coverage: 97%)
Gene names: CALM, CALM1, CAM, CAM1, GFP, Mylk
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: C2
Unit cell:
a: 127.476Å b: 46.955Å c: 67.849Å
α: 90° β: 100.09° γ: 90°
R-values:
R R work R free
0.221 0.215 0.27
Expression system: Escherichia coli