SMTL ID : 3n6b.1

Structure of endothelial nitric oxide synthase H373S single mutant heme domain complexed with 6,6'-(2,2'-(pyridine-3,5-diyl)bis(ethane-2,1-diyl))bis(4-methylpyridin-2-amine)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: 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 Ligands: H4B.2, XFJ.4 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:W.142, A:W.142, A:W.142, A:A.145, A:V.149, A:F.317, A:F.317, A:F.317, A:W.320, A:W.320, A:E.325, A:V.382, A:F.437 Hydrogen bonds: A:R.147 pi-Stacking: A:W.142 Metal complexes: A:C.148 HEM.6: 18 residues within 4Å: Chain B: W.142, R.147, C.148, V.149, G.150, L.157, S.190, M.303, F.317, G.319, W.320, M.322, E.325, V.382, W.411, F.437 Ligands: H4B.7, XFJ.9 14 PLIP interactions: 14 interactions with chain B, Hydrophobic interactions: B:W.142, B:W.142, B:R.147, B:L.157, B:F.317, B:F.317, B:W.320, B:E.325, B:V.382, B:F.437, B:F.437 Hydrogen bonds: 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: 11 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 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:R.329, A:A.410, A:W.411 Water bridges: A:R.329 pi-Stacking: A:W.411, A:W.411 pi-Cation interactions: A:W.411, A:W.411 H4B.7: 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, P.415 Ligands: HEM.6 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:R.329, B:A.410, B:V.413 Water bridges: B:R.329, B:R.329 pi-Stacking: B:W.411, B:W.411

2 x CAD: CACODYLIC ACID(Non-covalent)

CAD.3: 2 residues within 4Å: Chain A: L.290, C.346 No protein-ligand interaction detected (PLIP) CAD.8: 2 residues within 4Å: Chain B: W.286, C.346 No protein-ligand interaction detected (PLIP)

2 x XFJ: 6,6'-(pyridine-3,5-diyldiethane-2,1-diyl)bis(4-methylpyridin-2-amine)(Non-covalent)

XFJ.4: 11 residues within 4Å: Chain A: R.147, Q.211, P.298, V.300, F.317, W.320, Y.321, E.325, Y.439 Chain B: W.38 Ligands: HEM.1 8 PLIP interactions: 1 interactions with chain B, 7 interactions with chain A Hydrophobic interactions: B:W.38, A:P.298, A:F.317, A:Y.439 Hydrogen bonds: A:R.147, A:Q.211, A:M.322, A:E.325 XFJ.9: 12 residues within 4Å: Chain B: V.68, L.69, Q.211, P.298, V.300, G.319, W.320, Y.321, M.322, E.325, W.411 Ligands: HEM.6 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:P.298, B:V.300, B:W.411 Hydrogen bonds: B:Q.211, B:W.320, B:M.322

1 x ZN: ZINC ION(Non-covalent)

ZN.5: 6 residues within 4Å: Chain A: C.58, C.63, L.64, G.65 Chain B: C.58, C.63 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:C.58, B:C.63, A:C.58, A:C.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Delker, S.L. et al., Role of zinc in isoform-selective inhibitor binding to neuronal nitric oxide synthase . Biochemistry (2010)

Release Date

2011-02-09

Peptides

Nitric oxide synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric oxide synthase

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