2kne

Solution NMR

Calmodulin wraps around its binding domain in the plasma membrane CA2+ pump anchored by a novel 18-1 motif

Released:

Function and Biology Details

Reaction catalysed:
ATP + H(2)O + Ca(2+)(Side 1) = ADP + phosphate + Ca(2+)(Side 2)

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-143915 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Calmodulin-1 Chain: A
Molecule details ›
Chain: A
Length: 148 amino acids
Theoretical weight: 16.72 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P0DP23 (Residues: 2-149; Coverage: 99%)
Gene names: CALM, CALM1, CAM, CAM1
Sequence domains: EF-hand domain pair
Structure domains: EF-hand
Plasma membrane calcium-transporting ATPase 4 Chain: B
Molecule details ›
Chain: B
Length: 28 amino acids
Theoretical weight: 3.36 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P23634 (Residues: 1086-1112; Coverage: 2%)
Gene names: ATP2B2, ATP2B4, MXRA1
Sequence domains: Plasma membrane calcium transporter ATPase C terminal

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Chemical shift assignment: 93%
Refinement method: simulated annealing
Expression system: Escherichia coli