SMTL ID : 5vvd.2 (1 other biounit)

Structure of human endothelial nitric oxide synthase heme domain in complex with 4-(2-(((2-Amino-4-methylquinolin-7-yl)methyl)amino)ethyl)benzonitrile

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.25 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, 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: H4B.2, 9OG.3 12 PLIP interactions: 12 interactions with chain A, Hydrophobic interactions: A:W.138, A:W.138, A:W.138, A:A.141, A:F.313, A:F.313, A:W.316, A:F.433, A:F.433 Hydrogen bonds: A:R.143 pi-Stacking: A:W.138 Metal complexes: A:C.144 HEM.9: 19 residues within 4Å: Chain B: W.138, A.141, R.143, C.144, V.145, G.146, L.153, S.186, F.313, S.314, G.315, W.316, M.318, E.321, W.407, F.433, Y.435 Ligands: H4B.10, 9OG.11 16 PLIP interactions: 16 interactions with chain B, Hydrophobic interactions: B:W.138, B:W.138, B:A.141, B:R.143, B:L.153, B:F.313, B:F.313, B:W.316, B:W.407, B:F.433, B:F.433, B:F.433 Hydrogen bonds: B:Y.435 Salt bridges: B:R.143 pi-Stacking: B:W.138 Metal complexes: B:C.144

2 x H4B: 5,6,7,8-TETRAHYDROBIOPTERIN(Non-covalent)

H4B.2: 11 residues within 4Å: Chain A: S.62, V.64, R.325, A.406, W.407 Chain B: W.405, F.420, H.421, Q.422, E.423 Ligands: HEM.1 8 PLIP interactions: 7 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.325, A:R.325, A:A.406, A:W.407 pi-Stacking: A:W.407, A:W.407 pi-Cation interactions: A:W.407 Hydrophobic interactions: B:E.423 H4B.10: 9 residues within 4Å: Chain A: W.405, F.420, H.421 Chain B: S.62, V.64, R.325, A.406, W.407 Ligands: HEM.9 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:R.325, B:A.406, B:W.407 pi-Stacking: B:W.407, B:W.407

2 x 9OG: 4-(2-{[(2-amino-4-methylquinolin-7-yl)methyl]amino}ethyl)benzonitrile(Non-covalent)

9OG.3: 10 residues within 4Å: Chain A: F.65, V.296, W.316, Y.317, M.318, E.321, W.407, Y.435 Chain B: W.34 Ligands: HEM.1 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.65, A:V.296, A:W.407, A:Y.435 Hydrogen bonds: A:M.318, A:E.321 9OG.11: 10 residues within 4Å: Chain A: W.34 Chain B: V.64, F.65, V.296, F.313, W.316, Y.317, E.321, W.407 Ligands: HEM.9 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:V.64, B:F.65, B:V.296, B:F.313, B:W.407 Hydrogen bonds: B:E.321

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

BTB.4: 3 residues within 4Å: Chain A: E.337, T.347, R.348 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:E.337 BTB.5: 2 residues within 4Å: Chain A: D.257, E.258 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:E.258 BTB.12: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: GD.15 3 PLIP interactions: 3 interactions with chain B Water bridges: B:T.279, B:E.281 Salt bridges: B:E.281 BTB.13: 2 residues within 4Å: Chain B: D.257, E.258 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:E.258

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.6: 1 residues within 4Å: Chain A: E.127 No protein-ligand interaction detected (PLIP)

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.7: 5 residues within 4Å: Chain A: Q.207, R.210, Y.291, Y.317, N.326 Ligand excluded by PLIP CL.14: 4 residues within 4Å: Chain B: Q.207, R.210, Y.317, N.326 Ligand excluded by PLIP

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 B, 2 interactions with chain A Metal complexes: B:C.54, B:C.59, A:C.54, A:C.59

1 x GD: GADOLINIUM ATOM(Non-covalent)

GD.15: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: BTB.12 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.279, B:E.281, B:E.281, H2O.1, H2O.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pensa, A.V. et al., Hydrophilic, Potent, and Selective 7-Substituted 2-Aminoquinolines as Improved Human Neuronal Nitric Oxide Synthase Inhibitors. J. Med. Chem. (2017)

Release Date

2017-08-16

Peptides

Nitric oxide synthase, endothelial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Nitric oxide synthase, endothelial

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