SMTL ID : 1fop.1

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH L-ARG AND NO(H4B-BOUND)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 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.8: 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.2: 5 residues within 4Å: Chain A: V.149, G.150, W.320, V.382, S.390 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.390, A:S.390 ACT.9: 7 residues within 4Å: Chain B: G.150, I.152, Q.153, W.320, V.382, S.390 Ligands: HEM.11 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:Q.153, B:W.320 Hydrogen bonds: B:W.320, B:S.390 Water bridges: B:I.152

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

HEM.3: 20 residues within 4Å: Chain A: W.142, A.145, R.147, C.148, V.149, G.150, S.190, M.303, F.317, S.318, G.319, W.320, M.322, E.325, W.411, F.437, Y.439 Ligands: NO.4, H4B.5, ARG.6 22 PLIP interactions: 16 interactions with chain A, 6 Ligand-Ligand interactions Hydrophobic interactions: A:W.142, A:W.142, A:W.142, A:A.145, A:F.317, A:F.317, A:F.317, A:F.317, A:W.320, A:F.437, A:F.437, A:F.437, R.6 Hydrogen bonds: A:Y.439, R.6, R.6 Water bridges: A:R.329, R.6 pi-Stacking: A:W.142 Metal complexes: A:C.148, NO.4 pi-Cation interactions: R.6 HEM.11: 22 residues within 4Å: Chain B: 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.9, NO.12, H4B.13, ARG.14 22 PLIP interactions: 18 interactions with chain B, 4 Ligand-Ligand interactions Hydrophobic interactions: B:W.142, B:W.142, B:W.142, B:A.145, B:R.147, B:V.149, B:L.157, B:F.317, B:F.317, B:F.317, B:F.317, B:W.320, B:W.411, B:F.437, B:F.437, B:F.437, R.14 pi-Stacking: B:W.142 Metal complexes: B:C.148, NO.12 Hydrogen bonds: R.14 pi-Cation interactions: R.14

2 x NO: NITRIC OXIDE(Non-covalent)

NO.4: 3 residues within 4Å: Chain A: F.317 Ligands: HEM.3, ARG.6 1 PLIP interactions: 1 Ligand-Ligand interactions Hydrogen bonds: R.6 NO.12: 3 residues within 4Å: Chain B: F.317 Ligands: HEM.11, ARG.14 2 PLIP interactions: 2 Ligand-Ligand interactions Hydrogen bonds: R.14, R.14

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

H4B.5: 12 residues within 4Å: Chain A: S.66, V.68, R.329, A.410, W.411 Chain B: W.409, F.424, H.425, Q.426, E.427 Ligands: HEM.3, GOL.7 11 PLIP interactions: 9 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.329, A:A.410, A:W.411 Water bridges: A:S.66, A:R.329, A:W.411, B:H.425 pi-Stacking: A:W.411, A:W.411 pi-Cation interactions: A:W.411 Hydrophobic interactions: B:E.427 H4B.13: 12 residues within 4Å: Chain A: W.409, F.424, H.425, Q.426, E.427 Chain B: S.66, V.68, R.329, A.410, W.411 Ligands: HEM.11, GOL.15 8 PLIP interactions: 1 interactions with chain A, 5 interactions with chain B, 2 Ligand-Ligand interactions Hydrophobic interactions: A:E.427 Hydrogen bonds: B:R.329, B:A.410, B:W.411 pi-Stacking: B:W.411, B:W.411 Water bridges: R.14, R.14

2 x ARG: ARGININE(Non-covalent)

ARG.6: 9 residues within 4Å: Chain A: Q.211, Y.295, P.298, W.320, Y.321, E.325, N.330 Ligands: HEM.3, NO.4 12 PLIP interactions: 9 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:Y.321 Hydrogen bonds: A:Q.211, A:Y.295, A:G.319, A:W.320, A:E.325, A:N.330, R.6, R.6 Water bridges: A:N.330, R.6 Salt bridges: A:E.325 ARG.14: 11 residues within 4Å: Chain B: Q.211, R.214, Y.295, P.298, V.300, W.320, Y.321, E.325, N.330 Ligands: HEM.11, NO.12 11 PLIP interactions: 9 interactions with chain B, 2 Ligand-Ligand interactions Hydrogen bonds: B:Q.211, B:P.298, B:W.320, B:Y.321, B:E.325, B:N.330, R.14 Water bridges: B:R.214, R.14 Salt bridges: B:R.214, B:E.325

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.7: 5 residues within 4Å: Chain A: R.329, D.333, H.335 Chain B: W.38 Ligands: H4B.5 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.329, A:R.329, A:H.335 GOL.15: 5 residues within 4Å: Chain A: W.38 Chain B: V.68, R.329, H.335 Ligands: H4B.13 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.329, B:R.329, B:H.335, A:H.425 Water bridges: B:D.333

1 x ZN: ZINC ION(Non-covalent)

ZN.10: 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 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

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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