6OP3: Selenium incorporated FeMo-cofactor of nitrogenase from Azotobacter vinelandii with low concentration of selenium

PDB ID: 6OP3Download
MMDB ID: 178502
PDB Deposition Date: 2019/4/24
Updated in MMDB: 2023/10
Experimental Method:
x-ray diffraction
Resolution: 1.6  Å
Source Organism:
Similar Structures:
Biological Unit for 6OP3: tetrameric; determined by author and by software (PISA)
Molecular Components in 6OP3
Label Count Molecule
Proteins (4 molecules)
2
Nitrogenase Molybdenum-iron Protein Alpha Chain
Molecule annotation
2
Nitrogenase Molybdenum-iron Protein Beta Chain
Molecule annotation
Chemicals and Non-standard biopolymers (26 molecules)
1
2
3-HYDROXY-3-CARBOXY-ADIPIC ACID3-HYDROXY-3-CARBOXY-ADIPIC ACID
2
2
iron-sulfur-molybdenum cluster with interstitial carboniron-sulfur-molybdenum cluster with interstitial carbon
3
12
IMIDAZOLEIMIDAZOLE
4
2
SELENIUM ATOMSELENIUM ATOM
5
2
FE(8)-S(7) CLUSTERFE(8)-S(7) CLUSTER
6
2
MAGNESIUM IONMAGNESIUM ION
7
4
CALCIUM IONCALCIUM ION
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303