SMTL ID : 3ucw.1 (1 other biounit)

Structure of MG2+ bound N-Terminal domain of Calmodulin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.76 Å

Oligo State

homo-dimer

Ligands

5 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: D.20, D.22, D.24, T.26 6 PLIP interactions: 4 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.20, A:D.22, A:D.24, A:T.26, H2O.1, H2O.1 MG.2: 3 residues within 4Å: Chain A: T.62, I.63, E.67 6 PLIP interactions: 2 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:T.62, A:T.62, H2O.1, H2O.1, H2O.1, H2O.1 MG.3: 2 residues within 4Å: Chain A: D.64 Chain B: D.64 6 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: B:D.64, A:D.64, H2O.1, H2O.2, H2O.2, H2O.3 MG.4: 4 residues within 4Å: Chain B: D.20, D.22, D.24, T.26 6 PLIP interactions: 4 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.20, B:D.22, B:D.24, B:T.26, H2O.2, H2O.2 MG.5: 2 residues within 4Å: Chain B: T.62, E.67 6 PLIP interactions: 2 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:T.62, B:T.62, H2O.3, H2O.3, H2O.3, H2O.3

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Senguen, F.T. et al., X-ray Structures of Magnesium and Manganese Complexes with the N-Terminal Domain of Calmodulin: Insights into the Mechanism and Specificity of Metal Ion Binding to an EF-Hand. Biochemistry (2012)

Release Date

2012-08-08

Peptides

Calmodulin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Calmodulin

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