Antiparallel trimer of GCN4-leucine zipper core mutant as N16A tetragonal form

Structure

x-ray diffraction · 3 distinct chains · 91% helix, 0% strand (DSSP).

Ligands and binding sites

• ACE · Acetyl group · ligand · 3 copies · chains A, B, C
• K · Potassium ion · metal · 2 copies · chains A, B, C
• CL · Chloride ion · ion · 8 copies · chains A, B, C

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

Interfaces

3 interfaces between chains.

• A–C · 802 Ų buried · 6 hydrogen bonds · protein-protein
• A–B · 724 Ų buried · 4 hydrogen bonds · protein-protein
• B–C · 654 Ų buried · 4 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 3 covalent (covalent ligand).

Compared structures

• 1RB6 · Antiparallel trimer of GCN4-leucine zipper core mutant as N16A tetragonal form · the same entry in another collection · chain A against A, TM-score 1.00
• P03069 · AlphaFold monomer V2.0 prediction for general control transcription factor GCN4 (P03069) · a predicted model of the same protein · chain A against A, TM-score 0.87

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 P03069
• Elsewhere: RCSB PDB 1RB6 · PDBe 1RB6 · UniProt P03069