SMTL ID : 1m8d.2 (1 other biounit)

inducible nitric oxide synthase with Chlorzoxazone bound

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.35 Å

Oligo State

homo-dimer

Ligands

2 x BOG: octyl beta-D-glucopyranoside(Non-covalent)

BOG.1: 4 residues within 4Å: Chain A: Y.81, H.92, L.93, L.96 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:L.96 Hydrogen bonds: A:Y.81, A:H.92 Salt bridges: A:H.92 BOG.7: 4 residues within 4Å: Chain B: Y.81, H.92, L.93, L.96 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.96 Hydrogen bonds: B:Y.81 Salt bridges: B:H.92

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: Y.14, R.16, I.25, H.27 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.14 Salt bridges: A:R.16, A:H.27 SO4.8: 4 residues within 4Å: Chain B: Y.14, R.16, I.25, H.27 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:R.16, B:H.27

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

HEM.3: 18 residues within 4Å: Chain A: W.124, A.127, R.129, C.130, I.131, S.172, F.299, N.300, G.301, W.302, M.304, E.307, W.393, Y.419, Y.421 Ligands: H4B.4, CLW.5, EDO.6 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:W.124, A:W.124, A:A.127, A:F.299, A:F.299, A:F.299, A:F.299, A:W.302, A:E.307, A:Y.419, A:Y.419 Hydrogen bonds: A:E.307, A:Y.421 Water bridges: A:Y.421 pi-Stacking: A:W.124 Metal complexes: A:C.130 HEM.9: 18 residues within 4Å: Chain B: W.124, A.127, R.129, C.130, I.131, S.172, F.299, N.300, G.301, W.302, M.304, E.307, W.393, Y.419, Y.421 Ligands: H4B.10, CLW.11, EDO.12 15 PLIP interactions: 15 interactions with chain B, Hydrophobic interactions: B:W.124, B:W.124, B:A.127, B:F.299, B:F.299, B:F.299, B:F.299, B:W.302, B:E.307, B:Y.419, B:Y.419 Hydrogen bonds: B:E.307 Water bridges: B:Y.421 pi-Stacking: B:W.124 Metal complexes: B:C.130

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

H4B.4: 11 residues within 4Å: Chain A: S.48, M.50, R.311, I.392, W.393 Chain B: W.391, F.406, H.407, Q.408, E.409 Ligands: HEM.3 13 PLIP interactions: 11 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.311, A:I.392, A:W.393 Water bridges: A:E.307, A:R.311, A:R.311, A:R.311, B:H.407 pi-Stacking: A:W.393, A:W.393 pi-Cation interactions: A:W.393, A:W.393 Hydrophobic interactions: B:E.409 H4B.10: 11 residues within 4Å: Chain A: W.391, F.406, H.407, Q.408, E.409 Chain B: S.48, M.50, R.311, I.392, W.393 Ligands: HEM.9 12 PLIP interactions: 10 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:R.311, B:I.392, B:W.393 Water bridges: B:R.311, B:R.311, B:R.311, A:H.407 pi-Stacking: B:W.393, B:W.393 pi-Cation interactions: B:W.393, B:W.393 Hydrophobic interactions: A:E.409

2 x CLW: CHLORZOXAZONE(Non-covalent)

CLW.5: 10 residues within 4Å: Chain A: P.280, V.282, F.299, N.300, G.301, W.302, Y.303, M.304, E.307 Ligands: HEM.3 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:P.280, A:V.282 Hydrogen bonds: A:W.302, A:M.304 CLW.11: 10 residues within 4Å: Chain B: P.280, V.282, F.299, N.300, G.301, W.302, Y.303, M.304, E.307 Ligands: HEM.9 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:P.280, B:V.282 Hydrogen bonds: B:W.302, B:M.304

2 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.6: 6 residues within 4Å: Chain A: G.132, I.134, W.302, M.364, S.372 Ligands: HEM.3 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:W.302, A:S.372, A:S.372 EDO.12: 6 residues within 4Å: Chain B: G.132, I.134, W.302, M.364, S.372 Ligands: HEM.9 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:W.302, B:S.372, B:S.372

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rosenfeld, R.J. et al., Conformational Changes in Nitric Oxide Synthases Induced by Chlorzoxazone and Nitroindazoles: Crystallographic and Computational Analyses of Inhibitor Potency. Biochemistry (2002)

Release Date

2002-08-14

Peptides

Inducible Nitric Oxide Synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

Inducible Nitric Oxide Synthase

Related Entries With Identical Sequence