SMTL ID : 6pow.2 (1 other biounit)

Structure of human endotheial nitric oxide synthase heme domain in complex with 7-(5-(Aminomethyl)pyridin-3-yl)-4-methylquinolin-2-amine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

homo-dimer

Ligands

3 x GD: GADOLINIUM ATOM(Non-covalent)

GD.1: 1 residues within 4Å: Chain A: Q.217 No protein-ligand interaction detected (PLIP) GD.10: 2 residues within 4Å: Chain A: D.344 Ligands: BTB.5 No protein-ligand interaction detected (PLIP) GD.16: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: BTB.14 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:T.279, B:E.281, H2O.6

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

HEM.2: 19 residues within 4Å: Chain A: W.138, A.141, R.143, C.144, V.145, G.146, S.186, M.299, F.313, S.314, G.315, W.316, M.318, E.321, W.407, F.433, Y.435 Ligands: H4B.3, OUA.4 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:W.138, A:W.138, A:W.138, A:A.141, A:V.145, 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: 16 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, F.433, Y.435 Ligands: OUA.12 18 PLIP interactions: 18 interactions with chain B, Hydrophobic interactions: B:W.138, B:W.138, B:W.138, B:A.141, B:F.313, B:F.313, B:F.313, B:F.313, B:W.316, B:E.321, B:F.433, B:F.433, B:F.433 Hydrogen bonds: B:Y.435 Water bridges: B:R.325, B:R.325 pi-Stacking: B:W.138 Metal complexes: B:C.144

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

H4B.3: 12 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.2, OUA.4 6 PLIP interactions: 5 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 Hydrophobic interactions: B:E.423

3 x OUA: 7-[5-(aminomethyl)pyridin-3-yl]-4-methylquinolin-2-amine(Non-covalent)

OUA.4: 7 residues within 4Å: Chain A: V.296, F.313, W.316, Y.317, E.321 Ligands: HEM.2, H4B.3 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.296, A:F.313, A:F.313 Hydrogen bonds: A:M.318, A:E.321 OUA.12: 9 residues within 4Å: Chain B: P.294, V.296, F.313, G.315, W.316, Y.317, M.318, E.321 Ligands: HEM.11 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:P.294, B:V.296, B:F.313, B:F.313 Hydrogen bonds: B:M.318, B:E.321 Water bridges: B:R.325 OUA.13: 10 residues within 4Å: Chain A: W.34, W.405, F.420 Chain B: S.62, V.64, R.325, D.329, H.331, A.406, W.407 10 PLIP interactions: 3 interactions with chain A, 7 interactions with chain B Hydrophobic interactions: A:W.34, A:W.405, B:V.64, B:A.406 pi-Stacking: A:W.34, B:W.407 Hydrogen bonds: B:R.325, B:R.325, B:D.329, B:A.406

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

BTB.5: 5 residues within 4Å: Chain A: W.282, V.341, C.342, D.344 Ligands: GD.10 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.282 Salt bridges: A:D.344 BTB.6: 1 residues within 4Å: Chain A: E.258 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:E.258 BTB.14: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: GD.16 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.281, B:E.281 Salt bridges: B:E.281 BTB.15: 3 residues within 4Å: Chain B: D.257, E.258, P.259 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

1 x ZN: ZINC ION(Non-covalent)

ZN.7: 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

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.8: 1 residues within 4Å: Chain A: E.127 No protein-ligand interaction detected (PLIP)

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

CL.9: 3 residues within 4Å: Chain A: Q.207, Y.317, N.326 Ligand excluded by PLIP CL.17: 5 residues within 4Å: Chain B: Q.207, R.210, Y.291, Y.317, N.326 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cinelli, M.A. et al., First Contact: 7-Phenyl-2-Aminoquinolines, Potent and Selective Neuronal Nitric Oxide Synthase Inhibitors That Target an Isoform-Specific Aspartate. J.Med.Chem. (2020)

Release Date

2020-04-29

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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