- Coordinates
- PDB Format
- Method
- X-RAY DIFFRACTION 1.33 Å
- Oligo State
- hetero-2-2-mer
- Ligands
- 2 x HCA: 3-HYDROXY-3-CARBOXY-ADIPIC ACID(Non-covalent)
- 2 x ICE: iron-sulfur-molybdenum cluster with interstitial carbon(Non-covalent)
ICE.2: 16 residues within 4Å:- Chain A: V.70, R.96, Y.229, I.231, C.275, S.278, I.355, G.356, G.357, L.358, R.359, F.381, H.442
- Ligands: HCA.1, CMO.7, CMO.8
4 PLIP interactions:2 interactions with chain A, 2 Ligand-Ligand interactions- Salt bridges: A:E.380
- Metal complexes: A:C.275, CMO.7, CMO.7
ICE.14: 16 residues within 4Å:- Chain C: V.70, R.96, Y.229, I.231, C.275, S.278, I.355, G.356, G.357, L.358, R.359, F.381, H.442
- Ligands: HCA.13, CMO.17, CMO.18
2 PLIP interactions:2 interactions with chain C,- Salt bridges: C:E.380
- Metal complexes: C:C.275
- 8 x IMD: IMIDAZOLE(Non-covalent)
IMD.3: 2 residues within 4Å:- Chain A: E.287, W.294
3 PLIP interactions:3 interactions with chain A- Water bridges: A:W.294
- pi-Stacking: A:W.294, A:W.294
IMD.4: 5 residues within 4Å:- Chain A: G.157, L.158, F.186
- Chain B: E.120, A.123
2 PLIP interactions:1 interactions with chain B, 1 interactions with chain A- Hydrogen bonds: B:E.120
- Water bridges: A:R.187
IMD.5: 6 residues within 4Å:- Chain A: R.96, R.97, N.98, Y.99, T.111
- Chain D: D.520
2 PLIP interactions:1 interactions with chain D, 1 interactions with chain A- Water bridges: D:L.521, A:N.98
IMD.11: 6 residues within 4Å:- Chain B: S.482, T.483, T.484, Q.492, I.493, T.496
3 PLIP interactions:3 interactions with chain B- Hydrogen bonds: B:Y.233, B:S.482, B:Q.492
IMD.15: 2 residues within 4Å:- Chain C: E.287, W.294
5 PLIP interactions:5 interactions with chain C- Hydrogen bonds: C:E.287
- Water bridges: C:W.294, C:E.296
- pi-Stacking: C:W.294, C:W.294
IMD.21: 7 residues within 4Å:- Chain D: I.469, S.482, T.483, T.484, Q.492, I.493, T.496
3 PLIP interactions:3 interactions with chain D- Hydrogen bonds: D:T.483, D:T.496
- Water bridges: D:S.482
IMD.22: 5 residues within 4Å:- Chain D: L.253, D.256, G.275, T.276, E.280
2 PLIP interactions:2 interactions with chain D- Hydrogen bonds: D:E.280
- Water bridges: D:L.253
IMD.23: 5 residues within 4Å:- Chain C: G.157, L.158, F.186
- Chain D: E.120, A.123
2 PLIP interactions:1 interactions with chain D, 1 interactions with chain C- Hydrogen bonds: D:E.120
- Water bridges: C:R.187
- 2 x H2S: HYDROSULFURIC ACID(Non-covalent)
- 4 x CMO: CARBON MONOXIDE(Non-functional Binders)
CMO.7: 5 residues within 4Å:- Chain A: V.70, H.195, F.381
- Ligands: ICE.2, CMO.8
No protein-ligand interaction detected (PLIP)CMO.8: 6 residues within 4Å:- Chain A: V.70, Q.191, F.381
- Ligands: HCA.1, ICE.2, CMO.7
1 PLIP interactions:1 interactions with chain A- Hydrogen bonds: A:Q.191
CMO.17: 5 residues within 4Å:- Chain C: V.70, H.195, F.381
- Ligands: ICE.14, CMO.18
No protein-ligand interaction detected (PLIP)CMO.18: 6 residues within 4Å:- Chain C: V.70, Q.191, F.381
- Ligands: HCA.13, ICE.14, CMO.17
1 PLIP interactions:1 interactions with chain C- Hydrogen bonds: C:Q.191
- 2 x CLF: FE(8)-S(7) CLUSTER(Non-covalent)
CLF.9: 19 residues within 4Å:- Chain A: C.62, Y.64, P.85, G.87, C.88, Y.91, E.153, C.154, G.185
- Chain B: C.70, P.72, S.92, G.94, C.95, Y.98, F.99, T.152, C.153, S.188
9 PLIP interactions:5 interactions with chain A, 4 interactions with chain B,- Salt bridges: A:E.153
- Metal complexes: A:C.62, A:C.88, A:C.88, A:C.154, B:C.70, B:C.95, B:C.95, B:C.153
CLF.20: 19 residues within 4Å:- Chain C: C.62, Y.64, P.85, G.87, C.88, Y.91, E.153, C.154, G.185
- Chain D: C.70, P.72, S.92, G.94, C.95, Y.98, F.99, T.152, C.153, S.188
9 PLIP interactions:5 interactions with chain C, 4 interactions with chain D,- Salt bridges: C:E.153
- Metal complexes: C:C.62, C:C.88, C:C.88, C:C.154, D:C.70, D:C.95, D:C.95, D:C.153
- 2 x CA: CALCIUM ION(Non-covalent)
CA.10: 4 residues within 4Å:- Chain B: D.353, D.357
- Chain D: R.108, E.109
6 PLIP interactions:2 interactions with chain B, 2 interactions with chain D, 2 Ligand-Water interactions- Metal complexes: B:D.353, B:D.357, D:R.108, D:E.109, H2O.22, H2O.66
CA.19: 4 residues within 4Å:- Chain B: R.108, E.109
- Chain D: D.353, D.357
6 PLIP interactions:2 interactions with chain B, 2 interactions with chain D, 2 Ligand-Water interactions- Metal complexes: B:R.108, B:E.109, D:D.353, D:D.357, H2O.27, H2O.59
- 2 x MG: MAGNESIUM ION(Non-covalent)
- Links
- RCSB PDBe PDBe-KB PDBj PDBsum CATH PLIP
- Citation
- Buscagan, T.M. et al., Structural Characterization of Two CO Molecules Bound to the Nitrogenase Active Site. Angew.Chem.Int.Ed.Engl. (2021)
- Release Date
- 2021-03-24
- Peptides
- Nitrogenase molybdenum-iron protein alpha chain: AC
Nitrogenase molybdenum-iron protein beta chain: BD - SMTL:PDB
- SMTL Chain Id:
PDB Chain Id:A
AC
CB
BD
D
- Coordinates
- PDB Format
- Method
- X-RAY DIFFRACTION 1.33 Å
- Oligo State
- hetero-2-2-mer
- Ligands
- 2 x HCA: 3-HYDROXY-3-CARBOXY-ADIPIC ACID(Non-covalent)
- 2 x ICE: iron-sulfur-molybdenum cluster with interstitial carbon(Non-covalent)
- 8 x IMD: IMIDAZOLE(Non-covalent)
- 2 x H2S: HYDROSULFURIC ACID(Non-covalent)
- 4 x CMO: CARBON MONOXIDE(Non-functional Binders)
- 2 x CLF: FE(8)-S(7) CLUSTER(Non-covalent)
- 2 x CA: CALCIUM ION(Non-covalent)
- 2 x MG: MAGNESIUM ION(Non-covalent)
- Links
- RCSB PDBe PDBe-KB PDBj PDBsum CATH PLIP
- Citation
- Buscagan, T.M. et al., Structural Characterization of Two CO Molecules Bound to the Nitrogenase Active Site. Angew.Chem.Int.Ed.Engl. (2021)
- Release Date
- 2021-03-24
- Peptides
- Nitrogenase molybdenum-iron protein alpha chain: AC
Nitrogenase molybdenum-iron protein beta chain: BD - SMTL:PDB
- SMTL Chain Id:
PDB Chain Id:A
AC
CB
BD
D