SMTL ID : 7pu9.1

Crystal structure of CaM in complex with CDZ (form 2)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.28 Å

Oligo State

monomer

Ligands

2 x 85H: 1-[bis(4-chlorophenyl)methyl]-3-[(2~{R})-2-(2,4-dichlorophenyl)-2-[(2,4-dichlorophenyl)methoxy]ethyl]imidazole(Non-covalent)

85H.1: 20 residues within 4Å: Chain A: F.19, I.27, L.32, M.36, L.39, Q.41, M.51, I.63, F.68, M.71, M.72, K.75, M.76, S.81, E.84, E.87, A.88, M.145, T.146 Ligands: 85H.2 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:F.19, A:L.32, A:L.32, A:L.39, A:I.63, A:K.75, A:E.84, A:E.84, A:A.88 Halogen bonds: A:M.51 85H.2: 18 residues within 4Å: Chain A: E.11, F.12, E.14, A.15, L.18, F.19, F.68, M.72, M.76, I.100, L.105, M.124, A.128, V.136, M.144, M.145, A.147 Ligands: 85H.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:E.11, A:F.12, A:L.18, A:F.68, A:L.105, A:M.124, A:A.128, A:A.147 pi-Stacking: A:F.12

4 x CA: CALCIUM ION(Non-covalent)

CA.3: 5 residues within 4Å: Chain A: D.129, D.131, D.133, Q.135, E.140 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.129, A:D.131, A:D.133, A:E.140, H2O.1 CA.4: 5 residues within 4Å: Chain A: D.93, D.95, N.97, Y.99, E.104 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.93, A:D.95, A:Y.99, A:E.104, A:E.104 CA.5: 5 residues within 4Å: Chain A: D.56, D.58, N.60, T.62, E.67 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.56, A:D.58, A:T.62, A:E.67, A:E.67 CA.6: 5 residues within 4Å: Chain A: D.20, D.22, D.24, T.26, E.31 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.20, A:D.22, A:D.24, A:T.26, A:E.31

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Leger, C. et al., Dynamics and structural changes of calmodulin upon interaction with the antagonist calmidazolium. Bmc Biol. (2022)

Release Date

2022-08-17

Peptides

Calmodulin-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Calmodulin-1

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