SMTL ID : 4gjf.2 (1 other biounit)

Crystal structure of the amino-terminal domain of human cardiac troponin C mutant L29Q in complex with cadmium

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-functional Binders)

CA.1: 1 residues within 4Å: Ligands: CA.12 No protein-ligand interaction detected (PLIP) CA.12: 1 residues within 4Å: Ligands: CA.1 No protein-ligand interaction detected (PLIP)

16 x CD: CADMIUM ION(Non-covalent)

CD.2: 2 residues within 4Å: Chain A: F.27, E.40 Ligand excluded by PLIP CD.3: 3 residues within 4Å: Chain A: D.33, C.35 Ligands: ACT.10 Ligand excluded by PLIP CD.4: 7 residues within 4Å: Chain A: Q.50, C.84, M.85, D.87 Chain B: D.88, S.89 Ligands: CD.5 Ligand excluded by PLIP CD.5: 6 residues within 4Å: Chain A: P.52, E.56, C.84, D.87 Chain B: S.89 Ligands: CD.4 Ligand excluded by PLIP CD.6: 3 residues within 4Å: Chain A: E.66, D.73, D.75 Ligand excluded by PLIP CD.7: 1 residues within 4Å: Chain A: E.59 Ligand excluded by PLIP CD.8: 3 residues within 4Å: Chain A: D.65, T.71, E.76 Ligand excluded by PLIP CD.9: 2 residues within 4Å: Chain A: E.19 Chain B: E.15 Ligand excluded by PLIP CD.13: 2 residues within 4Å: Chain B: F.27, E.40 Ligand excluded by PLIP CD.14: 3 residues within 4Å: Chain B: D.33, C.35 Ligands: ACT.21 Ligand excluded by PLIP CD.15: 7 residues within 4Å: Chain A: D.88, S.89 Chain B: Q.50, C.84, M.85, D.87 Ligands: CD.16 Ligand excluded by PLIP CD.16: 6 residues within 4Å: Chain A: S.89 Chain B: P.52, E.56, C.84, D.87 Ligands: CD.15 Ligand excluded by PLIP CD.17: 3 residues within 4Å: Chain B: E.66, D.73, D.75 Ligand excluded by PLIP CD.18: 1 residues within 4Å: Chain B: E.59 Ligand excluded by PLIP CD.19: 3 residues within 4Å: Chain B: D.65, T.71, E.76 Ligand excluded by PLIP CD.20: 2 residues within 4Å: Chain A: E.15 Chain B: E.19 Ligand excluded by PLIP

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

ACT.10: 5 residues within 4Å: Chain A: D.33, C.35, S.37, T.71 Ligands: CD.3 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:T.71 Hydrogen bonds: A:C.35 ACT.21: 5 residues within 4Å: Chain B: D.33, C.35, S.37, T.71 Ligands: CD.14 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:T.71 Hydrogen bonds: B:C.35

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.11: 1 residues within 4Å: Chain A: E.32 No protein-ligand interaction detected (PLIP) GOL.22: 1 residues within 4Å: Chain B: E.32 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

2013-02-06

Peptides

Troponin C, slow skeletal and cardiac muscles: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Troponin C, slow skeletal and cardiac muscles

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