SMTL ID : 6nh7.1

Structure of human endothelial nitric oxide synthase heme domain in complex with 6-(3-(3-(dimethylamino)propyl)-2,5,6-trifluorophenethyl)-4-methylpyridin-2-amine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 18 residues within 4Å: Chain A: W.138, R.143, C.144, V.145, G.146, L.153, S.186, M.299, F.313, S.314, G.315, W.316, M.318, E.321, W.407, F.433, Y.435 Ligands: KMM.2 15 PLIP interactions: 15 interactions with chain A, Hydrophobic interactions: A:W.138, A:W.138, A:W.138, A:L.153, A:F.313, A:F.313, A:F.313, A:F.313, A:W.316, A:E.321, A:F.433, A:F.433, A:F.433 pi-Stacking: A:W.138 Metal complexes: A:C.144 HEM.11: 17 residues within 4Å: Chain B: W.138, A.141, R.143, C.144, V.145, G.146, S.186, F.313, S.314, G.315, W.316, M.318, E.321, W.407, F.433, Y.435 Ligands: KMM.12 11 PLIP interactions: 11 interactions with chain B, Hydrophobic interactions: B:W.138, B:W.138, B:A.141, B:F.313, B:F.313, B:F.313, B:W.316, B:F.433, B:F.433 pi-Stacking: B:W.138 Metal complexes: B:C.144

4 x KMM: 6-(2-{3-[3-(dimethylamino)propyl]-2,5,6-trifluorophenyl}ethyl)-4-methylpyridin-2-amine(Non-covalent)

KMM.2: 15 residues within 4Å: Chain A: V.64, F.65, Q.207, P.294, V.296, F.313, G.315, W.316, Y.317, M.318, E.321, W.407, Y.435 Ligands: HEM.1, KMM.3 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:P.294, A:F.313, A:W.407 Hydrogen bonds: A:M.318, A:E.321 KMM.3: 10 residues within 4Å: Chain A: V.64, R.325, H.331, A.406, W.407 Chain B: W.34, W.405, F.420, H.421 Ligands: KMM.2 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.325, A:A.406 pi-Stacking: A:W.407 Hydrophobic interactions: B:W.34, B:W.34 KMM.12: 15 residues within 4Å: Chain B: V.64, F.65, Q.207, P.294, V.296, F.313, G.315, W.316, Y.317, M.318, E.321, W.407, Y.435 Ligands: HEM.11, KMM.13 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:P.294, B:F.313, B:W.407 Hydrogen bonds: B:M.318, B:E.321 KMM.13: 11 residues within 4Å: Chain A: W.34, W.405, F.420, H.421 Chain B: S.62, V.64, R.325, H.331, A.406, W.407 Ligands: KMM.12 6 PLIP interactions: 2 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:W.34, A:W.405, B:V.64, B:W.407 Hydrogen bonds: B:A.406 pi-Stacking: B:W.407

7 x BTB: 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-covalent)

BTB.4: 2 residues within 4Å: Chain A: D.344 Ligands: GD.9 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:D.344 BTB.5: 2 residues within 4Å: Chain A: E.337, T.347 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.337 Salt bridges: A:E.337 BTB.6: 1 residues within 4Å: Chain A: E.127 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.127 Water bridges: A:E.127 Salt bridges: A:E.127 BTB.7: 1 residues within 4Å: Chain A: E.258 2 PLIP interactions: 2 interactions with chain A Water bridges: A:E.258 Salt bridges: A:E.258 BTB.14: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: GD.17 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:E.281, B:E.281 Water bridges: B:T.279, B:T.279 Salt bridges: B:E.281 BTB.15: 3 residues within 4Å: Chain B: D.257, E.258 Ligands: GD.18 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:D.257 Water bridges: B:E.258, B:E.258 Salt bridges: B:E.258 BTB.16: 1 residues within 4Å: Chain B: E.337 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.337 Salt bridges: B:E.337

1 x ZN: ZINC ION(Non-covalent)

ZN.8: 4 residues within 4Å: Chain A: C.54, C.59 Chain B: C.54, C.59 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.54, A:C.59, B:C.54, B:C.59

4 x GD: GADOLINIUM ATOM(Non-functional Binders)(Non-covalent)

GD.9: 1 residues within 4Å: Ligands: BTB.4 No protein-ligand interaction detected (PLIP) GD.10: 2 residues within 4Å: Chain A: E.116, Q.124 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.116, H2O.3, H2O.4 GD.17: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: BTB.14 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.279, B:E.281, H2O.5, H2O.8 GD.18: 1 residues within 4Å: Ligands: BTB.15 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Do, H.T. et al., Optimization of Blood-Brain Barrier Permeability with Potent and Selective Human Neuronal Nitric Oxide Synthase Inhibitors Having a 2-Aminopyridine Scaffold. J. Med. Chem. (2019)

Release Date

2019-03-13

Peptides

Endothelial nitric oxide synthase splice variant eNOS13A: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Endothelial nitric oxide synthase splice variant eNOS13A

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