SMTL ID : 4kcs.1

Structure of bovine endothelial nitric oxide synthase heme domain in complex with N-(3-((ethyl(3-fluorophenethyl)amino)methyl)phenyl)thiophene-2-carboximidamide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.05 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: W.141, A.144, R.146, C.147, V.148, G.149, L.156, S.189, M.302, F.316, S.317, W.319, E.324, V.381, W.410, F.436, Y.438 Ligands: H4B.2, 5H4.3 22 PLIP interactions: 22 interactions with chain A, Hydrophobic interactions: A:W.141, A:W.141, A:W.141, A:A.144, A:R.146, A:L.156, A:F.316, A:F.316, A:F.316, A:F.316, A:W.319, A:W.319, A:E.324, A:V.381, A:F.436, A:F.436, A:F.436 Hydrogen bonds: A:Y.438 Water bridges: A:E.324 Salt bridges: A:R.146 pi-Stacking: A:W.141 Metal complexes: A:C.147 HEM.7: 17 residues within 4Å: Chain B: W.141, A.144, R.146, C.147, V.148, G.149, S.189, F.316, S.317, W.319, E.324, W.410, F.436, Y.438 Ligands: H4B.8, 5H4.9, ACT.10 18 PLIP interactions: 18 interactions with chain B, Hydrophobic interactions: B:W.141, B:W.141, B:W.141, B:A.144, B:R.146, B:F.316, B:F.316, B:F.316, B:F.316, B:W.319, B:E.324, B:F.436, B:F.436, B:F.436 Water bridges: B:R.146 Salt bridges: B:R.146 pi-Stacking: B:W.141 Metal complexes: B:C.147

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

H4B.2: 12 residues within 4Å: Chain A: S.65, V.67, R.328, A.409, W.410 Chain B: W.408, F.423, H.424, Q.425, E.426 Ligands: HEM.1, GOL.5 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.328, A:A.409, A:W.410 Water bridges: A:R.328 pi-Stacking: A:W.410, A:W.410 Hydrophobic interactions: B:E.426 H4B.8: 12 residues within 4Å: Chain A: W.408, F.423, H.424, Q.425, E.426 Chain B: S.65, V.67, R.328, A.409, W.410 Ligands: HEM.7, GOL.11 7 PLIP interactions: 6 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.328, B:A.409, B:W.410 Water bridges: B:R.328 pi-Stacking: B:W.410, B:W.410 Hydrophobic interactions: A:E.426

2 x 5H4: N-[3-({ethyl[2-(3-fluorophenyl)ethyl]amino}methyl)phenyl]thiophene-2-carboximidamide(Non-covalent)

5H4.3: 15 residues within 4Å: Chain A: V.67, L.68, P.297, V.299, F.316, S.317, G.318, W.319, Y.320, E.324, W.410, Y.438 Chain B: W.37 Ligands: HEM.1, GOL.5 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:V.67, A:L.68, A:P.297, A:V.299, A:V.299, A:F.316, A:W.410, A:Y.438 Hydrogen bonds: A:E.324, A:E.324 Water bridges: A:E.324 5H4.9: 15 residues within 4Å: Chain A: W.37 Chain B: V.67, L.68, P.297, V.299, F.316, S.317, G.318, W.319, Y.320, E.324, W.410, Y.438 Ligands: HEM.7, GOL.11 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:V.67, B:L.68, B:P.297, B:V.299, B:V.299, B:F.316, B:W.410, B:Y.438 Hydrogen bonds: B:E.324, B:E.324

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.4: 4 residues within 4Å: Chain A: G.149, W.319, V.381, S.389 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.389, A:S.389 ACT.10: 5 residues within 4Å: Chain B: G.149, W.319, V.381, S.389 Ligands: HEM.7 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.319, B:S.389

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 7 residues within 4Å: Chain A: V.67, R.328, H.334, W.410 Chain B: W.37 Ligands: H4B.2, 5H4.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.328, A:R.328, A:H.334 GOL.11: 7 residues within 4Å: Chain A: W.37 Chain B: V.67, R.328, H.334, W.410 Ligands: H4B.8, 5H4.9 5 PLIP interactions: 1 interactions with chain A, 4 interactions with chain B Water bridges: A:H.424, B:D.332 Hydrogen bonds: B:R.328, B:R.328, B:H.334

1 x ZN: ZINC ION(Non-covalent)

ZN.6: 4 residues within 4Å: Chain A: C.57, C.62 Chain B: C.57, C.62 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.57, A:C.62, B:C.57, B:C.62

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, H. et al., Potent and Selective Double-Headed Thiophene-2-carboximidamide Inhibitors of Neuronal Nitric Oxide Synthase for the Treatment of Melanoma. J.Med.Chem. (2014)

Release Date

2014-02-12

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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