SMTL ID : 1m9m.1

human endothelial nitric oxide synthase with 6-nitroindazole bound

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.96 Å

Oligo State

homo-dimer

Ligands

1 x ZN: ZINC ION(Non-covalent)

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

1 x NA: SODIUM ION(Non-functional Binders)

NA.2: 4 residues within 4Å: Chain A: Q.181, Y.265, Y.291, N.300 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.181, A:Y.291, A:N.300, A:N.300

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

HEM.3: 18 residues within 4Å: Chain A: W.112, A.115, R.117, C.118, V.119, S.160, M.273, F.287, S.288, G.289, W.290, M.292, E.295, W.381, F.407, Y.409 Ligands: 6NI.4, MPD.7 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:W.112, A:W.112, A:W.112, A:A.115, A:V.119, A:F.287, A:F.287, A:F.287, A:F.287, A:W.290, A:W.381, A:F.407, A:F.407, A:F.407 pi-Stacking: A:W.112 Metal complexes: A:C.118 HEM.9: 18 residues within 4Å: Chain B: W.112, A.115, R.117, C.118, V.119, G.120, M.273, F.287, S.288, G.289, W.290, M.292, E.295, W.381, F.407, Y.409 Ligands: 6NI.10, IPA.11 16 PLIP interactions: 16 interactions with chain B, Hydrophobic interactions: B:W.112, B:W.112, B:W.112, B:A.115, B:F.287, B:F.287, B:F.287, B:F.287, B:W.290, B:W.381, B:F.407, B:F.407, B:F.407 Hydrogen bonds: B:Y.409 pi-Stacking: B:W.112 Metal complexes: B:C.118

2 x 6NI: 6-NITROINDAZOLE(Non-covalent)

6NI.4: 10 residues within 4Å: Chain A: P.268, V.270, F.287, S.288, G.289, W.290, Y.291, M.292, E.295 Ligands: HEM.3 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.290, A:M.292 6NI.10: 9 residues within 4Å: Chain B: P.268, F.287, S.288, G.289, W.290, Y.291, M.292, E.295 Ligands: HEM.9 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:P.268, B:W.290, B:M.292 pi-Stacking: B:Y.291

3 x IPA: ISOPROPYL ALCOHOL(Non-functional Binders)

IPA.5: 5 residues within 4Å: Chain A: W.213, T.214, P.215, G.216, L.238 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.213 Water bridges: A:V.222 IPA.11: 6 residues within 4Å: Chain B: Q.123, W.290, V.352, A.357, S.360 Ligands: HEM.9 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:W.290, B:V.352 Hydrogen bonds: B:G.120 Water bridges: B:S.360 IPA.12: 5 residues within 4Å: Chain A: G.35, S.36, A.380 Chain B: W.379, A.380 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:W.379, B:A.380 Water bridges: B:A.380, A:A.380

3 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.6: 9 residues within 4Å: Chain A: W.8, W.379, F.394, H.395, Q.396, E.397 Chain B: V.38, A.380, W.381 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:V.38, B:A.380 Water bridges: B:R.299, B:R.299, A:H.395 MPD.7: 8 residues within 4Å: Chain A: G.120, I.122, Q.123, W.290, V.352, A.357, S.360 Ligands: HEM.3 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:I.122, A:Q.123, A:W.290, A:A.357 Hydrogen bonds: A:W.290 MPD.8: 9 residues within 4Å: Chain A: S.36, V.38, A.380, W.381 Chain B: W.8, W.379, F.394, H.395, Q.396 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:V.38, A:A.380, B:W.379 Water bridges: A:R.299

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

2002-08-07

Peptides

endothelial Nitric-oxide synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

endothelial Nitric-oxide synthase

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