Crystal structure of the N-terminal domain of human cardiac troponin C in complex with trifluoperazine (orthrombic crystal form)

Structure

x-ray diffraction · 2 distinct chains · 62% helix, 2% strand (DSSP).

Ligands and binding sites

• TFP · 10-[3-(4-methyl-piperazin-1-yl)-propyl]-2-trifluoromethyl-10H-phenothiazine · ligand · 4 copies · chains A, B
• CA · Calcium ion · metal · 2 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

1 pocket found on a 1 Å grid, 1 with a druggability of 0.5 or more.

Interfaces

1 interface between chains.

• A–B · 401 Ų buried · 2 hydrogen bonds · protein-protein

Compared structures

• 1WRK · Crystal structure of the N-terminal domain of human cardiac troponin C in complex with… · the same entry in another collection · chain A against A, TM-score 1.00
• P63316 · AlphaFold monomer V2.0 prediction for troponin C, slow skeletal and cardiac muscles… · a predicted model of the same protein · chain B against A, TM-score 0.96

Analyse

• Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
• Every structure of UniProt P63316
• Elsewhere: RCSB PDB 1WRK · PDBe 1WRK · UniProt P63316