Crystal structure of a cc-hex mutant that forms a parallel six-helix coiled coil cc-hex*-II

Structure

x-ray diffraction · 1 distinct chain · 93% helix, 0% strand (DSSP).

Ligands and binding sites

• ACE · Acetyl group · ligand · 4 copies · chains A, C, D, E, F
• NH2 · Amino group · ion · 4 copies · chains A, C, B, F
• PO4 · Phosphate ion · ion · 2 copies · chains A, B, E, F
• GOL · Glycerol · additive · chains B

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

Interfaces

9 interfaces between chains.

• D–E · 690 Ų buried · 4 hydrogen bonds · protein-protein
• E–F · 687 Ų buried · 3 hydrogen bonds · protein-protein
• B–D · 672 Ų buried · 0 hydrogen bonds · protein-protein
• A–B · 659 Ų buried · 5 hydrogen bonds · protein-protein
• A–C · 635 Ų buried · 4 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 4 covalent (covalent ligand).

Compared structures

• 6Q5P · Crystal structure of a CC-Hex mutant that forms a parallel six-helix coiled coil… · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

• Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
• Elsewhere: RCSB PDB 6Q5P · PDBe 6Q5P