› 9jqi

X-ray diffraction
2.1Å resolution

Crystal structure of calmodulin in complex with KN93 (1:1 complex)

Released:
DOI: 10.2210/pdb9jqi/pdb
PDB entry 9jqi coloured by chain, front view.
PDB entry 9jqi coloured by chain, side view.
PDB entry 9jqi coloured by chain, top view.
Source organism: Homo sapiens
Entry author: Liu XC

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-534402 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Calmodulin-1 Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 155 amino acids
Theoretical weight: 17.9 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0DP23 (Residues: 1-149; Coverage: 100%)
Gene names: CALM, CALM1, CAM, CAM1
Sequence domains: EF-hand domain pair

Ligands and Environments

2 bound ligands:
Ligand CA 12 x CA
Ligand KN9 3 x KN9
1 modified residue:
Ligand MSE 30 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL19U1
Spacegroup: C2
Unit cell:
a: 69.336Å b: 40.264Å c: 173.413Å
α: 90° β: 92.47° γ: 90°
R-values:
R R work R free
0.251 0.248 0.288
Expression system: Escherichia coli BL21(DE3)

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