SMTL ID : 3swb.1

Crystal structure of the amino-terminal domain of human cardiac troponin C in complex with cadmium at 1.7 A resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.67 Å

Oligo State

monomer

Ligands

6 x CD: CADMIUM ION(Non-covalent)

CD.1: 2 residues within 4Å: Chain A: F.27, E.40 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:F.27, A:E.40, A:E.40, H2O.1, H2O.1 CD.2: 5 residues within 4Å: Chain A: P.52, E.56, C.84, D.87 Ligands: CD.3 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:E.56, A:E.56, A:C.84, A:D.87 CD.3: 4 residues within 4Å: Chain A: Q.50, C.84, D.87 Ligands: CD.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:C.84, A:C.84, A:D.87 CD.4: 3 residues within 4Å: Chain A: D.33, C.35 Ligands: ACT.10 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.33, A:D.33, A:C.35, A:C.35, H2O.1 CD.5: 3 residues within 4Å: Chain A: E.66, D.73, D.75 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.66, A:D.73, A:D.73, A:D.75, A:D.75 CD.6: 1 residues within 4Å: Chain A: E.59 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.59, A:E.59, H2O.2, H2O.2, H2O.2

3 x CA: CALCIUM ION(Non-functional Binders)(Non-covalent)

CA.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CA.8: 3 residues within 4Å: Chain A: D.65, T.71, E.76 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:T.71, A:E.76, A:E.76, H2O.2, H2O.2 CA.9: 2 residues within 4Å: Chain A: E.15, E.19 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.15, A:E.19

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.10: 6 residues within 4Å: Chain A: D.33, C.35, I.36, S.37, T.71 Ligands: CD.4 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, X.L. et al., The structure of cardiac troponin C regulatory domain with bound Cd(2+) reveals a closed conformation and unique ion coordination. Acta Crystallogr.,Sect.D (2013)

Release Date

2012-07-18

Peptides

Troponin C, slow skeletal and cardiac muscles: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Troponin C, slow skeletal and cardiac muscles

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