SMTL ID : 1fol.1

REDUCED BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH L-ARG(H4B-FREE)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x CAC: CACODYLATE ION(Non-covalent)

CAC.1: 2 residues within 4Å: Chain A: W.286, C.346 No protein-ligand interaction detected (PLIP) CAC.2: 2 residues within 4Å: Chain B: W.286, C.346 No protein-ligand interaction detected (PLIP)

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

ACT.3: 5 residues within 4Å: Chain A: G.150, W.320, V.382, S.390 Ligands: HEM.6 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.390, A:S.390 ACT.4: 5 residues within 4Å: Chain B: G.150, Q.153, W.320, V.382, S.390 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:Q.153 Hydrogen bonds: B:W.320, B:S.390

1 x ZN: ZINC ION(Non-covalent)

ZN.5: 5 residues within 4Å: Chain A: C.58, C.63 Chain B: C.58, C.63, G.65 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:C.58, B:C.63, A:C.58, A:C.63

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

HEM.6: 19 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, E.325, W.411, F.437, Y.439 Ligands: ACT.3, ARG.8 27 PLIP interactions: 23 interactions with chain A, 4 Ligand-Ligand interactions Hydrophobic interactions: A:W.142, A:W.142, A:A.145, A:R.147, A:V.149, A:L.157, A:F.317, A:F.317, A:F.317, A:W.320, A:E.325, A:W.411, A:F.437, A:F.437, A:F.437 Hydrogen bonds: A:Y.439, R.8, R.8 Water bridges: A:R.329, A:R.329, A:R.329, A:R.329 Salt bridges: A:R.147 pi-Stacking: A:W.142 Metal complexes: A:C.148 pi-Cation interactions: R.8, R.8 HEM.7: 19 residues within 4Å: Chain B: W.142, R.147, C.148, V.149, G.150, 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: ARG.9, GOL.12 21 PLIP interactions: 18 interactions with chain B, 3 Ligand-Ligand interactions Hydrophobic interactions: B:W.142, B:W.142, B:R.147, B:F.317, B:F.317, B:F.317, B:F.317, B:W.320, B:E.325, B:V.382, B:F.437, B:F.437, B:F.437, R.9 Water bridges: B:R.147, B:R.329, B:R.329 pi-Stacking: B:W.142 Metal complexes: B:C.148 Hydrogen bonds: R.9 pi-Cation interactions: R.9

2 x ARG: ARGININE(Non-covalent)

ARG.8: 8 residues within 4Å: Chain A: Q.211, Y.295, P.298, W.320, Y.321, E.325, N.330 Ligands: HEM.6 14 PLIP interactions: 11 interactions with chain A, 3 Ligand-Ligand interactions Hydrogen bonds: A:Q.211, A:Y.295, A:W.320, A:E.325, A:E.325, A:N.330, R.8 Water bridges: A:R.214, A:P.298, A:R.336, R.8, R.8 Salt bridges: A:R.214, A:E.325 ARG.9: 8 residues within 4Å: Chain B: Q.211, Y.295, V.300, W.320, Y.321, E.325, N.330 Ligands: HEM.7 9 PLIP interactions: 4 Ligand-Ligand interactions, 5 interactions with chain B Hydrogen bonds: R.9, R.9, B:Q.211, B:W.320, B:Y.321, B:N.330 Water bridges: R.9, R.9 Salt bridges: B:E.325

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.10: 3 residues within 4Å: Chain A: R.329, H.335 Chain B: W.38 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.329, A:R.329 Water bridges: A:H.335 GOL.11: 4 residues within 4Å: Chain A: W.38 Chain B: R.329, H.335 Ligands: GOL.12 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.329 Water bridges: B:R.336, A:H.425 GOL.12: 6 residues within 4Å: Chain A: F.424 Chain B: R.329, A.410, W.411 Ligands: HEM.7, GOL.11 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:F.424, B:R.329, B:A.410

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Crystallographic studies on endothelial nitric oxide synthase complexed with nitric oxide and mechanism-based inhibitors. Biochemistry (2001)

Release Date

2001-07-20

Peptides

NITRIC-OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC-OXIDE SYNTHASE

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