Nitrogenase MoFeP mutant S188A from Azotobacter vinelandii in the dithionite reduced state after redox cycling

Structure

x-ray diffraction · resolution 2.26 · 3 distinct chains · 50% helix, 13% strand (DSSP).

Ligands and binding sites

• HCA · 3-hydroxy-3-carboxy-adipic acid · ligand · 2 copies · chains A, B, C, D
• ICS · iron-sulfur-molybdenum cluster with interstitial carbon · ligand · 2 copies · chains A, C
• CLF · FE(8)-S(7) cluster · ligand · 2 copies · chains A, B, C, D
• FE · Fe (III) ion · metal · 2 copies · chains A, B, D, C

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

Pockets

19 pockets found on a 1 Å grid, 10 with a druggability of 0.5 or more.

Interfaces

5 interfaces between chains.

• A–B · 4655 Ų buried · 55 hydrogen bonds · protein-protein
• C–D · 4626 Ų buried · 57 hydrogen bonds · protein-protein
• B–D · 3105 Ų buried · 64 hydrogen bonds · protein-protein
• A–D · 1393 Ų buried · 14 hydrogen bonds · protein-protein
• B–C · 1347 Ų buried · 16 hydrogen bonds · protein-protein

Compared structures

• 6O7L · Nitrogenase mofep mutant S188A from azotobacter vinelandii in the dithionite reduced… · the same entry in another collection · chain A against A, TM-score 1.00
• P07328 · AlphaFold monomer V2.0 prediction for nitrogenase molybdenum-iron protein alpha chain… · a predicted model of the same protein · chain A against A, TM-score 1.00
• P07329 · AlphaFold monomer V2.0 prediction for nitrogenase molybdenum-iron protein beta chain… · a predicted model of the same protein · chain B 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
• Every structure of UniProt P07328
• Every structure of UniProt P07329
• Elsewhere: RCSB PDB 6O7L · PDBe 6O7L · UniProt P07328 · UniProt P07329