SMTL ID : 1dm8.1

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 1,2,4-TRIAZOLE-CARBOXAMIDINE (H4B BOUND)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.25 Å

Oligo State

homo-dimer

Ligands

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

ACT.1: 4 residues within 4Å: Chain A: Q.211, R.214, N.330, R.336 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.211, A:N.330 Salt bridges: A:R.214, A:R.336 ACT.2: 4 residues within 4Å: Chain A: 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: 4 residues within 4Å: Chain B: Q.211, R.214, N.330, R.336 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.211, B:N.330 Salt bridges: B:R.214, B:R.336 ACT.10: 4 residues within 4Å: Chain B: I.152, W.320, V.382, S.390 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:I.152

2 x CAC: CACODYLATE ION(Non-covalent)

CAC.3: 2 residues within 4Å: Chain A: W.286, C.346 No protein-ligand interaction detected (PLIP) CAC.11: 2 residues within 4Å: Chain B: W.286, C.346 No protein-ligand interaction detected (PLIP)

1 x ZN: ZINC ION(Non-covalent)

ZN.4: 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

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

HEM.5: 17 residues within 4Å: Chain A: W.142, A.145, R.147, C.148, V.149, S.190, M.303, F.317, S.318, W.320, M.322, E.325, W.411, F.437, Y.439 Ligands: H4B.6, TZC.7 17 PLIP interactions: 17 interactions with chain A, Hydrophobic interactions: 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:E.325, A:F.437, A:F.437, A:F.437 Hydrogen bonds: A:Y.439 Water bridges: A:E.325 pi-Stacking: A:W.142 Metal complexes: A:C.148 HEM.12: 17 residues within 4Å: Chain B: W.142, A.145, R.147, C.148, V.149, S.190, M.303, F.317, S.318, W.320, E.325, V.382, W.411, F.437, Y.439 Ligands: H4B.13, TZC.14 18 PLIP interactions: 18 interactions with chain B, Hydrophobic interactions: B:W.142, B:W.142, B:W.142, B:A.145, 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 pi-Stacking: B:W.142 Metal complexes: B:C.148

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

H4B.6: 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.5, GOL.8 10 PLIP interactions: 9 interactions with chain A, 1 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 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.12, GOL.15 7 PLIP interactions: 6 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.329, B:A.410, B:W.411 Water bridges: B:R.329 pi-Stacking: B:W.411, B:W.411 Hydrophobic interactions: A:E.427

2 x TZC: 1,2,4-TRIAZOLE-CARBOXAMIDINE(Non-covalent)

TZC.7: 8 residues within 4Å: Chain A: P.298, V.300, F.317, S.318, G.319, W.320, E.325 Ligands: HEM.5 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:W.320 Water bridges: A:E.325 Salt bridges: A:E.325 TZC.14: 9 residues within 4Å: Chain B: P.298, V.300, F.317, S.318, G.319, W.320, Y.321, E.325 Ligands: HEM.12 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:G.319, B:W.320 Salt bridges: B:E.325

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.8: 6 residues within 4Å: Chain A: V.68, R.329, H.335, W.411 Chain B: W.38 Ligands: H4B.6 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.329, A:R.329, A:H.335 GOL.15: 7 residues within 4Å: Chain A: W.38 Chain B: V.68, R.329, D.333, H.335, W.411 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

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Raman, C.S. et al., Crystal Structures of Bovine Endothelial Nitric Oxide Synthase Heme Domain Complexed With Various Inhibitors. To be Published

Release Date

2000-12-13

Peptides

NITRIC OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC OXIDE SYNTHASE

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