SMTL ID : 1qw4.1 (1 other biounit)

Crystal Structure of Murine Inducible Nitric Oxide Synthase Oxygenase Domain in complex with N-omega-propyl-L-arginine.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: C.28, C.33 Chain B: C.28, C.33 Ligands: ZN.5 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.28, A:C.33, B:C.28, B:C.33 ZN.5: 5 residues within 4Å: Chain A: C.28, C.33 Chain B: C.28, C.33 Ligands: ZN.1 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.28, A:C.33, B:C.28, B:C.33

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

HEM.2: 20 residues within 4Å: Chain A: W.112, A.115, R.117, C.118, I.119, G.120, L.127, S.160, M.273, F.287, N.288, G.289, W.290, M.292, E.295, W.381, Y.407, Y.409 Ligands: H4B.3, 3AR.4 14 PLIP interactions: 14 interactions with chain A, Hydrophobic interactions: A:W.112, A:W.112, A:A.115, A:L.127, A:F.287, A:F.287, A:F.287, A:F.287, A:W.290, A:W.381, A:Y.407 Hydrogen bonds: A:Y.409 pi-Stacking: A:W.112 Metal complexes: A:C.118 HEM.6: 20 residues within 4Å: Chain B: W.112, A.115, R.117, C.118, I.119, G.120, L.127, S.160, M.273, F.287, N.288, G.289, W.290, M.292, E.295, W.381, Y.407, Y.409 Ligands: H4B.7, 3AR.8 13 PLIP interactions: 13 interactions with chain B, Hydrophobic interactions: B:W.112, B:W.112, B:A.115, B:L.127, B:F.287, B:F.287, B:F.287, B:F.287, B:W.290, B:W.381, B:Y.407 pi-Stacking: B:W.112 Metal complexes: B:C.118

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

H4B.3: 11 residues within 4Å: Chain A: S.36, M.38, R.299, I.380, W.381 Chain B: W.379, F.394, H.395, Q.396, E.397 Ligands: HEM.2 14 PLIP interactions: 2 interactions with chain B, 12 interactions with chain A Hydrophobic interactions: B:E.397 Water bridges: B:H.395, A:S.36, A:R.299, A:R.299, A:R.299, A:W.381 Hydrogen bonds: A:R.299, A:I.380, A:W.381 pi-Stacking: A:W.381, A:W.381 pi-Cation interactions: A:W.381, A:W.381 H4B.7: 11 residues within 4Å: Chain A: W.379, F.394, H.395, Q.396, E.397 Chain B: S.36, M.38, R.299, I.380, W.381 Ligands: HEM.6 14 PLIP interactions: 12 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:R.299, B:I.380, B:W.381 Water bridges: B:S.36, B:R.299, B:R.299, B:R.299, B:W.381, A:H.395 pi-Stacking: B:W.381, B:W.381 pi-Cation interactions: B:W.381, B:W.381 Hydrophobic interactions: A:E.397

2 x 3AR: N-OMEGA-PROPYL-L-ARGININE(Non-covalent)

3AR.4: 13 residues within 4Å: Chain A: Q.181, Y.265, P.268, A.269, V.270, F.287, N.288, G.289, W.290, Y.291, E.295, D.300 Ligands: HEM.2 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:P.268, A:V.270, A:F.287, A:Y.291 Hydrogen bonds: A:Q.181, A:Q.181, A:P.268 Water bridges: A:R.184, A:D.300, A:R.306 Salt bridges: A:E.295 3AR.8: 13 residues within 4Å: Chain B: Q.181, Y.265, P.268, A.269, V.270, F.287, N.288, G.289, W.290, Y.291, E.295, D.300 Ligands: HEM.6 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:P.268, B:V.270, B:F.287, B:Y.291 Hydrogen bonds: B:Q.181, B:Q.181, B:Y.265, B:P.268, B:Y.291, B:E.295 Water bridges: B:R.184, B:D.300, B:R.306 Salt bridges: B:E.295

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fedorov, R. et al., Structural basis for the specificity of the nitric-oxide synthase inhibitors W1400 and Nomega-propyl-L-Arg for the inducible and neuronal isoforms. J.Biol.Chem. (2003)

Release Date

2003-12-09

Peptides

Nitric oxide synthase, inducible: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Nitric oxide synthase, inducible

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