SMTL ID : 1ed5.1

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH NNA(H4B FREE)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.1: 5 residues within 4Å: Chain A: G.150, W.320, V.382, S.390 Ligands: HEM.2 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.390, A:S.390 ACT.7: 5 residues within 4Å: Chain B: G.150, W.320, V.382, S.390 Ligands: HEM.9 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.320, B:S.390

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

HEM.2: 20 residues within 4Å: Chain A: W.142, A.145, R.147, C.148, V.149, G.150, L.157, S.190, M.303, F.317, S.318, G.319, W.320, M.322, E.325, W.411, F.437, Y.439 Ligands: ACT.1, NRG.3 20 PLIP interactions: 20 interactions with chain A, Hydrophobic interactions: A:W.142, A:W.142, A:A.145, A:V.149, A:L.157, A:F.317, A:F.317, A:F.317, A:F.317, A:W.320, A:E.325, A:W.411, A:F.437 Hydrogen bonds: A:Y.439 Water bridges: A:R.329, A:R.329, A:R.329, A:R.329 pi-Stacking: A:W.142 Metal complexes: A:C.148 HEM.9: 19 residues within 4Å: Chain B: W.142, R.147, C.148, V.149, L.157, S.190, M.303, F.317, S.318, G.319, W.320, M.322, E.325, V.382, W.411, F.437, Y.439 Ligands: ACT.7, NRG.10 20 PLIP interactions: 20 interactions with chain B, Hydrophobic interactions: B:W.142, B:W.142, B:W.142, B:V.149, B:F.317, B:F.317, B:F.317, B:F.317, B:W.320, B:E.325, B:V.382, B:W.411, B:F.437, B:F.437, B:F.437 Water bridges: B:R.329, B:R.329, B:R.329 pi-Stacking: B:W.142 Metal complexes: B:C.148

2 x NRG: N-OMEGA-NITRO-L-ARGININE(Non-covalent)

NRG.3: 12 residues within 4Å: Chain A: Q.211, R.214, Y.295, P.298, F.317, S.318, G.319, W.320, Y.321, E.325, N.330 Ligands: HEM.2 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:Q.211, A:R.214, A:Y.295, A:E.325, A:E.325, A:E.325, A:N.330 Water bridges: A:P.298, A:F.317, A:R.336, A:R.336 Salt bridges: A:E.325 NRG.10: 13 residues within 4Å: Chain B: Q.211, R.214, Y.295, P.298, V.300, F.317, S.318, G.319, W.320, Y.321, E.325, N.330 Ligands: HEM.9 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:V.300 Hydrogen bonds: B:Q.211, B:R.214, B:Y.321, B:E.325, B:E.325, B:N.330 Water bridges: B:P.298, B:F.317, B:R.336, B:R.336 Salt bridges: B:E.325

2 x CAD: CACODYLIC ACID(Non-covalent)

CAD.4: 2 residues within 4Å: Chain A: W.286, C.346 No protein-ligand interaction detected (PLIP) CAD.11: 2 residues within 4Å: Chain B: W.286, C.346 No protein-ligand interaction detected (PLIP)

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 6 residues within 4Å: Chain A: V.225, G.227, P.229, R.249, R.336, Y.337 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:G.227, A:R.249 Water bridges: A:V.225, A:G.227, A:G.227, A:Y.337, A:N.338 GOL.6: 5 residues within 4Å: Chain A: R.329, A.410, W.411 Chain B: W.409, F.424 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.329, A:R.329 Water bridges: A:S.66, A:A.410, A:W.411, B:W.409 GOL.12: 6 residues within 4Å: Chain B: V.225, G.227, P.229, R.249, R.336, Y.337 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:V.225, B:G.227, B:R.249 Water bridges: B:R.336 GOL.13: 6 residues within 4Å: Chain A: F.424 Chain B: S.66, V.68, R.329, A.410, W.411 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:S.66, B:R.329, B:A.410 Water bridges: B:R.329, B:R.329

1 x ZN: ZINC ION(Non-covalent)

ZN.8: 4 residues within 4Å: Chain A: C.58, C.63 Chain B: C.58, C.63 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.58, A:C.63, B:C.58, B:C.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Raman, C.S. et al., Crystal structure of nitric oxide synthase bound to nitro indazole reveals a novel inactivation mechanism. Biochemistry (2001)

Release Date

2001-01-31

Peptides

NITRIC OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC OXIDE SYNTHASE

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