SMTL ID : 3nlt.1

Structure of endothelial nitric oxide synthase heme domain complexed with N1-{(3'S,4'S)-4'-[(6"-amino-4"-methylpyridin-2"-yl)methyl]pyrrolidin-3'-yl}- N2-(3'-fluorophenethyl)ethane-1,2-diamine tetrahydrochloride

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.74 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 18 residues within 4Å: Chain A: W.142, A.145, R.147, C.148, V.149, G.150, L.157, S.190, F.317, S.318, W.320, M.322, E.325, W.411, F.437, Y.439 Ligands: H4B.2, 3XF.4 18 PLIP interactions: 18 interactions with chain A, Hydrophobic interactions: A:W.142, A:W.142, A:W.142, A:A.145, A:R.147, A:L.157, A:F.317, A:F.317, A:F.317, A:F.317, A:W.320, A:E.325, A:F.437, A:F.437 Hydrogen bonds: A:Y.439 Salt bridges: A:R.147 pi-Stacking: A:W.142 Metal complexes: A:C.148 HEM.7: 20 residues within 4Å: Chain B: W.142, A.145, R.147, C.148, V.149, G.150, S.190, M.303, F.317, S.318, G.319, W.320, M.322, E.325, V.382, W.411, F.437, Y.439 Ligands: H4B.8, 3XF.10 14 PLIP interactions: 14 interactions with chain B, Hydrophobic interactions: B:W.142, B:W.142, B:W.142, B:A.145, B:F.317, B:F.317, B:F.317, B:F.317, B:W.320, B:V.382, B:F.437 Salt bridges: B:R.147 pi-Stacking: B:W.142 Metal complexes: B:C.148

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

H4B.2: 12 residues within 4Å: Chain A: S.66, V.68, R.329, A.410, W.411 Chain B: W.409, F.424, H.425, Q.426, E.427 Ligands: HEM.1, GOL.3 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:R.329, A:A.410, A:W.411 pi-Stacking: A:W.411, A:W.411 pi-Cation interactions: A:W.411 H4B.8: 11 residues within 4Å: Chain A: W.409, F.424, H.425, Q.426, E.427 Chain B: S.66, R.329, A.410, W.411 Ligands: HEM.7, GOL.9 6 PLIP interactions: 5 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.329, B:A.410, B:W.411 pi-Stacking: B:W.411, B:W.411 Hydrophobic interactions: A:E.427

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 7 residues within 4Å: Chain A: V.68, R.329, H.335, W.411 Chain B: W.38 Ligands: H4B.2, 3XF.4 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.329, A:R.329, A:H.335 GOL.9: 7 residues within 4Å: Chain A: W.38 Chain B: V.68, R.329, H.335, W.411 Ligands: H4B.8, 3XF.10 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.329, B:R.329, B:H.335

2 x 3XF: 6-({(3S,4S)-4-[2-({2,2-difluoro-2-[(2R)-piperidin-2-yl]ethyl}amino)ethoxy]pyrrolidin-3-yl}methyl)-4-methylpyridin-2-amine(Non-covalent)

3XF.4: 12 residues within 4Å: Chain A: Q.211, V.300, F.317, S.318, G.319, W.320, Y.321, M.322, E.325, Y.439 Ligands: HEM.1, GOL.3 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:V.300, A:F.317, A:Y.439, A:Y.439 Hydrogen bonds: A:M.322, A:E.325, A:E.325 Water bridges: A:Y.321, A:N.330 3XF.10: 12 residues within 4Å: Chain B: Q.211, P.298, V.300, N.302, F.317, G.319, W.320, Y.321, E.325, Y.439 Ligands: HEM.7, GOL.9 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:P.298, B:F.317, B:Y.439 Hydrogen bonds: B:M.322, B:E.325, B:E.325 Water bridges: B:Q.211, B:Y.321 Halogen bonds: B:Y.439

2 x CAD: CACODYLIC ACID(Non-covalent)

CAD.5: 2 residues within 4Å: Chain A: W.286, C.346 No protein-ligand interaction detected (PLIP) CAD.11: 2 residues within 4Å: Chain B: W.286, C.346 No protein-ligand interaction detected (PLIP)

1 x ZN: ZINC ION(Non-covalent)

ZN.6: 6 residues within 4Å: Chain A: C.58, C.63, G.65 Chain B: C.58, C.63, G.65 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.58, A:C.63, B:C.58, B:C.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xue, F. et al., Potent, highly selective, and orally bioavailable gem-difluorinated monocationic inhibitors of neuronal nitric oxide synthase. J.Am.Chem.Soc. (2010)

Release Date

2011-01-19

Peptides

Nitric oxide synthase, endothelial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric oxide synthase, endothelial

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