SMTL ID : 4uha.1

Structure of bovine endothelial nitric oxide synthase heme domain in complex with 3-(2-(6-Amino-4-methylpyridin-2-yl)ethyl)-5-(methyl(2-(methylamino)ethyl)amino)benzonitrile

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 20 residues within 4Å: Chain A: W.141, A.144, R.146, C.147, V.148, L.156, S.189, F.316, S.317, G.318, W.319, M.321, E.324, V.381, W.410, F.436, Y.438 Ligands: H4B.2, Q1T.3, ACT.4 22 PLIP interactions: 22 interactions with chain A, Hydrophobic interactions: 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:E.324, A:V.381, A:W.410, A:W.410, A:F.436, A:F.436 Hydrogen bonds: A:E.324, A:E.324, A:Y.438 Water bridges: A:R.328 pi-Stacking: A:W.141 Metal complexes: A:C.147 HEM.8: 19 residues within 4Å: Chain B: W.141, A.144, R.146, C.147, V.148, S.189, M.302, F.316, S.317, G.318, W.319, M.321, E.324, V.381, W.410, F.436, Y.438 Ligands: H4B.9, Q1T.10 22 PLIP interactions: 22 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:W.319, B:E.324, B:V.381, B:W.410, B:W.410, B:F.436, B:F.436, B:F.436 Water bridges: B:E.324, B:R.328 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, Q1T.3, GOL.6 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.328, A:A.409, A:W.410 pi-Stacking: A:W.410, A:W.410 pi-Cation interactions: A:W.410 Hydrophobic interactions: B:E.426 H4B.9: 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.8, Q1T.10, GOL.13 9 PLIP interactions: 1 interactions with chain A, 8 interactions with chain B Hydrophobic interactions: A:E.426 Hydrogen bonds: B:R.328, B:A.409, B:W.410 Water bridges: B:S.65, B:R.328 pi-Stacking: B:W.410, B:W.410 pi-Cation interactions: B:W.410

2 x Q1T: 3-(2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)-5-(METHYL(2-(METHYLAMINO)ETHYL)AMINO)BENZONITRILE(Non-covalent)

Q1T.3: 19 residues within 4Å: Chain A: S.209, P.297, V.299, N.301, F.316, S.317, G.318, W.319, Y.320, M.321, E.324, R.328, N.329, R.335, W.410 Ligands: HEM.1, H4B.2, ACT.5, GOL.6 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:P.297, A:F.316 Hydrogen bonds: A:M.321, A:E.324 Water bridges: A:D.332, A:R.335 Q1T.10: 16 residues within 4Å: Chain B: P.297, V.299, N.301, F.316, W.319, Y.320, M.321, E.324, R.328, N.329, R.335, W.410 Ligands: HEM.8, H4B.9, ACT.12, GOL.13 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:F.316 Hydrogen bonds: B:N.301, B:M.321, B:E.324 Water bridges: B:R.335

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

ACT.4: 6 residues within 4Å: Chain A: G.149, I.151, W.319, V.381, S.389 Ligands: HEM.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.389, A:S.389 ACT.5: 6 residues within 4Å: Chain A: Q.210, R.213, A.229, N.329, R.335 Ligands: Q1T.3 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.210, A:N.329 Salt bridges: A:R.213, A:R.335 ACT.11: 4 residues within 4Å: Chain B: G.149, W.319, V.381, S.389 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:W.319, B:S.389 Water bridges: B:Q.152, B:Q.152 ACT.12: 5 residues within 4Å: Chain B: Q.210, R.213, N.329, R.335 Ligands: Q1T.10 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Q.210, B:N.329 Water bridges: B:Q.210, B:N.329 Salt bridges: B:R.213, B:R.335

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.6: 7 residues within 4Å: Chain A: V.67, R.328, H.334, W.410 Chain B: W.37 Ligands: H4B.2, Q1T.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.328, A:R.328, A:H.334 GOL.13: 7 residues within 4Å: Chain A: W.37 Chain B: V.67, R.328, H.334, W.410 Ligands: H4B.9, Q1T.10 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.328, B:R.328, B:H.334 Water bridges: B:D.332

1 x ZN: ZINC ION(Non-covalent)

ZN.7: 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., 2-Aminopyridines with a Truncated Side Chain To Improve Human Neuronal Nitric Oxide Synthase Inhibitory Potency and Selectivity. J. Med. Chem. (2015)

Release Date

2015-07-15

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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