SMTL ID : 2nse.1

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE SUBSTRATE COMPLEX

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.34 Å

Oligo State

homo-dimer

Ligands

2 x CAC: CACODYLATE ION(Non-covalent)

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

1 x ZN: ZINC ION(Non-covalent)

ZN.3: 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

2 x ARG: ARGININE(Non-covalent)

ARG.4: 9 residues within 4Å: Chain A: Q.211, Y.295, P.298, V.300, W.320, Y.321, E.325, N.330 Ligands: HEM.6 12 PLIP interactions: 2 Ligand-Ligand interactions, 10 interactions with chain A Hydrogen bonds: R.4, A:Q.211, A:Y.295, A:W.320, A:E.325, A:E.325, A:N.330 Water bridges: R.4, A:N.330, A:N.330, A:R.336 Salt bridges: A:E.325 ARG.5: 10 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.8 12 PLIP interactions: 9 interactions with chain B, 3 Ligand-Ligand interactions Hydrophobic interactions: B:V.300 Hydrogen bonds: B:Q.211, B:W.320, B:Y.321, B:E.325, B:N.330, R.5, R.5 Water bridges: B:N.330, R.5 Salt bridges: B:R.214, B:E.325

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, S.190, M.303, F.317, S.318, G.319, W.320, M.322, E.325, W.411, F.437, Y.439 Ligands: ARG.4, H4B.7 22 PLIP interactions: 18 interactions with chain A, 4 Ligand-Ligand interactions Hydrophobic interactions: A:W.142, A:W.142, A:W.142, A:A.145, A:V.149, A:F.317, A:F.317, A:F.317, A:F.317, A:W.320, A:W.320, A:M.322, A:E.325, A:F.437, A:F.437, R.4 Hydrogen bonds: A:Y.439, R.4 pi-Stacking: A:W.142 Metal complexes: A:C.148 pi-Cation interactions: R.4, R.4 HEM.8: 21 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, V.382, W.411, F.437, Y.439 Ligands: ARG.5, H4B.9 19 PLIP interactions: 15 interactions with chain B, 4 Ligand-Ligand interactions Hydrophobic interactions: B:W.142, B:W.142, B:A.145, B:V.149, B:L.157, B:F.317, B:F.317, B:F.317, B:W.320, B:W.320, B:V.382, B:F.437, B:F.437, R.5 pi-Stacking: B:W.142 Metal complexes: B:C.148 Hydrogen bonds: R.5 Water bridges: R.5 pi-Cation interactions: R.5

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

H4B.7: 11 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.6 9 PLIP interactions: 8 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.329, A:R.329, A:A.410, A:W.411 Water bridges: A:G.65, A:L.67 pi-Stacking: A:W.411, A:W.411 Hydrophobic interactions: B:E.427 H4B.9: 11 residues within 4Å: Chain A: W.409, F.424, H.425, Q.426, E.427 Chain B: S.66, R.329, A.410, W.411 Ligands: HEM.8, GOL.10 9 PLIP interactions: 8 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.329, B:R.329, B:A.410, B:W.411 pi-Stacking: B:W.411, B:W.411 pi-Cation interactions: B:W.411, B:W.411 Hydrophobic interactions: A:E.427

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.10: 6 residues within 4Å: Chain A: W.38 Chain B: V.68, R.329, H.335, W.411 Ligands: H4B.9 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.329, B:H.335 Water bridges: A:H.425

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Raman, C.S. et al., Crystal structure of constitutive endothelial nitric oxide synthase: a paradigm for pterin function involving a novel metal center. Cell(Cambridge,Mass.) (1998)

Release Date

1999-05-25

Peptides

NITRIC OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC OXIDE SYNTHASE

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