SMTL ID : 1zvl.1

Rat Neuronal Nitric Oxide Synthase Oxygenase Domain complexed with natural substrate L-Arg.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.30, C.35 Chain B: C.30, C.35 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.30, A:C.35, B:C.30, B:C.35

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

HEM.2: 15 residues within 4Å: Chain A: W.113, R.118, C.119, V.120, G.121, Q.124, F.288, S.289, W.291, E.296, W.382, F.408, Y.410 Ligands: H4B.3, ARG.4 20 PLIP interactions: 18 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:W.113, A:W.113, A:V.120, A:Q.124, A:F.288, A:F.288, A:W.291, A:W.291, A:W.382, A:F.408, A:F.408 Hydrogen bonds: A:Y.410, R.4 Water bridges: A:R.300, A:R.300, A:R.300, A:Y.410 pi-Stacking: A:W.113 Metal complexes: A:C.119 pi-Cation interactions: R.4 HEM.5: 19 residues within 4Å: Chain B: W.113, R.118, C.119, V.120, G.121, L.128, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.6, ARG.7 21 PLIP interactions: 17 interactions with chain B, 4 Ligand-Ligand interactions Hydrophobic interactions: B:W.113, B:W.113, B:V.120, B:L.128, B:F.288, B:F.288, B:F.288, B:W.291, B:W.291, B:E.296, B:F.408, B:F.408, R.7 Water bridges: B:R.300, B:R.300, B:Y.410 pi-Stacking: B:W.113 Metal complexes: B:C.119 Hydrogen bonds: R.7 pi-Cation interactions: R.7, R.7

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

H4B.3: 11 residues within 4Å: Chain A: S.38, M.40, R.300, V.381, W.382 Chain B: W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.2 11 PLIP interactions: 9 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.300, A:R.300, A:V.381, A:W.382 Water bridges: A:S.38, A:W.382, B:H.396 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382 Hydrophobic interactions: B:E.398 H4B.6: 10 residues within 4Å: Chain A: W.380, F.395, H.396, Q.397, E.398 Chain B: S.38, R.300, V.381, W.382 Ligands: HEM.5 10 PLIP interactions: 9 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.300, B:R.300, B:V.381, B:W.382 Water bridges: B:W.382 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382, B:W.382 Hydrophobic interactions: A:E.398

2 x ARG: ARGININE(Non-covalent)

ARG.4: 9 residues within 4Å: Chain A: Q.182, Y.266, P.269, V.271, W.291, Y.292, E.296, D.301 Ligands: HEM.2 12 PLIP interactions: 11 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: A:V.271, A:Y.292 Hydrogen bonds: A:Q.182, A:Q.182, A:Y.266, A:W.291 Water bridges: A:R.185, A:D.301, A:R.307, A:R.307, R.4 Salt bridges: A:E.296 ARG.7: 8 residues within 4Å: Chain B: Q.182, Y.266, V.271, W.291, Y.292, E.296, D.301 Ligands: HEM.5 11 PLIP interactions: 10 interactions with chain B, 1 Ligand-Ligand interactions Hydrophobic interactions: B:V.271, B:Y.292 Hydrogen bonds: B:Q.182, B:Q.182, B:W.291, B:Y.292 Water bridges: B:P.269, B:G.290, B:D.301, R.7 Salt bridges: B:E.296

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Matter, H. et al., Structural Analysis of Isoform-Specific Inhibitors Targeting the Tetrahydrobiopterin Binding Site of Human Nitric Oxide Synthases. J.Med.Chem. (2005)

Release Date

2005-08-02

Peptides

Nitric-oxide synthase, brain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric-oxide synthase, brain

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