SMTL ID : 3uct.2 (1 other biounit)

Structure of Mn2+-bound N-terminal domain of calmodulin in the presence of Zn2+

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

6 x MN: MANGANESE (II) ION(Non-covalent)

MN.1: 5 residues within 4Å: Chain A: D.20, D.22, D.24, T.26 Ligands: MN.3 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 MN.2: 4 residues within 4Å: Chain A: D.56, D.58, N.60, T.62 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.56, A:D.58, A:T.62, H2O.1, H2O.2 MN.3: 4 residues within 4Å: Chain A: D.22, D.24, T.26 Ligands: MN.1 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.22, A:D.24, H2O.1, H2O.3, H2O.3 MN.4: 2 residues within 4Å: Chain A: F.19, E.31 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:F.19, A:E.31, H2O.1, H2O.1, H2O.2 MN.6: 5 residues within 4Å: Chain B: D.20, D.22, D.24, T.26 Ligands: ZN.8 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.20, B:D.22, B:D.24, B:T.26, H2O.3 MN.7: 4 residues within 4Å: Chain B: D.56, D.58, N.60, T.62 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.56, B:D.58, B:T.62, H2O.3, H2O.3

4 x ZN: ZINC ION(Non-covalent)

ZN.5: 2 residues within 4Å: Chain A: D.64, E.67 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.64, A:D.64, A:E.67 ZN.8: 4 residues within 4Å: Chain B: D.22, D.24, T.26 Ligands: MN.6 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.22, B:D.24 ZN.9: 2 residues within 4Å: Chain B: D.64, E.67 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:D.64, B:D.64, B:E.67 ZN.10: 5 residues within 4Å: Chain A: D.50, E.54, K.75 Chain B: D.50, E.54 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:D.50, B:D.50, B:E.54, A:D.50, A:E.54

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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