SMTL ID : 4cu0.1

Structure of bovine endothelial nitric oxide synthase heme domain in complex with (R)-6-(3-amino-2-(5-(2-(6-amino-4-methylpyridin-2-yl) ethyl)pyridin-3-yl)propyl)-4-methylpyridin-2-amine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.08 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 16 residues within 4Å: Chain A: W.141, R.146, C.147, V.148, G.149, S.189, F.316, S.317, W.319, M.321, E.324, V.381, W.410, F.436 Ligands: H4B.2, S71.3 15 PLIP interactions: 15 interactions with chain A, Hydrophobic interactions: A:W.141, A:W.141, A:W.141, A:F.316, A:F.316, A:F.316, A:F.316, A:W.319, A:V.381, A:F.436, A:F.436, A:F.436 Water bridges: A:E.324 pi-Stacking: A:W.141 Metal complexes: A:C.147 HEM.6: 19 residues within 4Å: Chain B: W.141, R.146, C.147, V.148, G.149, L.156, S.189, M.302, F.316, S.317, G.318, W.319, M.321, E.324, W.410, F.436 Ligands: H4B.7, S71.8, ACT.9 13 PLIP interactions: 13 interactions with chain B, Hydrophobic interactions: B:W.141, B:W.141, B:L.156, B:F.316, B:F.316, B:F.316, B:F.316, B:W.319, B:E.324, B:F.436, B:F.436 pi-Stacking: B:W.141 Metal complexes: B:C.147

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

H4B.2: 13 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, S71.3, GOL.5 10 PLIP interactions: 9 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.328, A:A.409, A:W.410 Water bridges: A:S.65, A:R.328, A:W.410 pi-Stacking: A:W.410, A:W.410 pi-Cation interactions: A:W.410 Hydrophobic interactions: B:E.426 H4B.7: 13 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.6, S71.8, GOL.10 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 S71: (R)-6-(3-amino-2-(5-(2-(6-amino-4-methylpyridin-2-yl)ethyl)pyridin-3-yl)propyl)-4-methylpyridin-2-amine(Non-covalent)

S71.3: 17 residues within 4Å: Chain A: V.67, L.68, R.146, Q.210, P.297, V.299, F.316, G.318, W.319, Y.320, E.324, W.410, Y.438 Chain B: W.37 Ligands: HEM.1, H4B.2, GOL.5 11 PLIP interactions: 10 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:V.67, A:P.297, A:F.316, A:Y.438, B:W.37 Hydrogen bonds: A:R.146, A:Q.210, A:M.321, A:E.324 Water bridges: A:R.213, A:R.213 S71.8: 18 residues within 4Å: Chain A: W.37 Chain B: V.67, L.68, R.146, Q.210, P.297, V.299, F.316, G.318, W.319, Y.320, M.321, E.324, W.410, Y.438 Ligands: HEM.6, H4B.7, GOL.10 10 PLIP interactions: 9 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:V.67, B:P.297, B:F.316, B:Y.438, A:W.37 Hydrogen bonds: B:R.146, B:Q.210, B:M.321, B:E.324 Water bridges: B:R.213

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

ACT.4: 5 residues within 4Å: Chain A: G.149, Q.152, W.319, V.381, S.389 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:Q.152 Hydrogen bonds: A:W.319, A:S.389 ACT.9: 6 residues within 4Å: Chain B: G.149, Q.152, W.319, V.381, S.389 Ligands: HEM.6 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:Q.152, B:W.319 Hydrogen bonds: B:S.389, 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, S71.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.328, A:R.328, A:H.334 GOL.10: 7 residues within 4Å: Chain A: W.37 Chain B: V.67, R.328, H.334, W.410 Ligands: H4B.7, S71.8 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B Water bridges: A:H.424 Hydrogen bonds: B:R.328, B:R.328, B:H.334

1 x ZN: ZINC ION(Non-covalent)

ZN.11: 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

Kang, S. et al., Nitric Oxide Synthase Inhibitors that Interact with Both a Heme Propionate and Tetrahydrobiopterin Show High Isoform Selectivity. J.Med.Chem. (2014)

Release Date

2014-05-07

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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