SMTL ID : 1ed4.1

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.86 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 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:Q.211, A:N.330 Water bridges: A:S.210, A:Y.295 Salt bridges: A:R.214, A:R.336 ACT.2: 5 residues within 4Å: Chain A: G.150, W.320, V.382, S.390 Ligands: HEM.4 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:W.320 Hydrogen bonds: A:S.390, A:S.390 ACT.10: 4 residues within 4Å: Chain B: Q.211, R.214, N.330, R.336 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:Q.211, B:N.330 Water bridges: B:S.210 Salt bridges: B:R.214, B:R.336 ACT.11: 5 residues within 4Å: Chain B: G.150, W.320, V.382, S.390 Ligands: HEM.13 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.320, B:S.390

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 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.4: 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: ACT.2, IPU.5 24 PLIP interactions: 24 interactions with chain A, Hydrophobic interactions: A:W.142, A:W.142, A:A.145, A:F.317, A:F.317, A:F.317, A:W.320, A:E.325, A:W.411, A:F.437, A:F.437 Hydrogen bonds: A:R.147, A:Y.439 Water bridges: A:E.325, A:E.325, A:R.329, A:R.329, A:R.329, A:R.329, A:R.329, A:R.329, A:R.329 pi-Stacking: A:W.142 Metal complexes: A:C.148 HEM.13: 20 residues within 4Å: Chain B: W.142, A.145, 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.11, IPU.14 19 PLIP interactions: 19 interactions with chain B, 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:F.317, B:W.320, B:E.325, B:V.382, B:W.411, B:F.437, B:F.437 Water bridges: B:R.329, B:R.329 pi-Stacking: B:W.142 Metal complexes: B:C.148

4 x IPU: S-ISOPROPYL-ISOTHIOUREA(Non-covalent)

IPU.5: 9 residues within 4Å: Chain A: P.298, V.300, F.317, S.318, G.319, W.320, Y.321, E.325 Ligands: HEM.4 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.317, A:F.317 Hydrogen bonds: A:E.325 IPU.7: 8 residues within 4Å: Chain A: W.409, F.424, H.425 Chain B: S.66, V.68, A.410, W.411 Ligands: GOL.9 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:V.68 Hydrogen bonds: B:W.411 Water bridges: B:R.329, B:R.329 IPU.12: 7 residues within 4Å: Chain A: V.68, A.410, W.411 Chain B: W.409, F.424, H.425 Ligands: GOL.16 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.424, A:V.68 Hydrogen bonds: A:A.410 Water bridges: A:R.329 IPU.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.13 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:V.300, B:F.317, B:F.317 Hydrogen bonds: B:E.325

2 x CAD: CACODYLIC ACID(Non-covalent)

CAD.6: 2 residues within 4Å: Chain A: W.286, C.346 No protein-ligand interaction detected (PLIP) CAD.15: 2 residues within 4Å: Chain B: W.286, C.346 No protein-ligand interaction detected (PLIP)

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.8: 6 residues within 4Å: Chain A: V.225, G.227, P.229, R.249, R.336, Y.337 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.227, A:G.227, A:R.249, A:R.249 GOL.9: 8 residues within 4Å: Chain A: F.424, H.425, Q.426, E.427 Chain B: S.66, V.68, W.411 Ligands: IPU.7 7 PLIP interactions: 2 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:H.425, B:W.411 Water bridges: A:H.425, B:R.329, B:R.329, B:R.329, B:R.329 GOL.16: 6 residues within 4Å: Chain A: R.329, A.410, W.411 Chain B: F.424, H.425 Ligands: IPU.12 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:F.424, A:R.329, A:R.329, A:A.410 GOL.17: 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:G.227, B:G.227, B:R.249 Water bridges: B:N.338

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Mapping the active site polarity in structures of endothelial nitric oxide synthase heme domain complexed with isothioureas. J.Inorg.Biochem. (2000)

Release Date

2000-10-25

Peptides

NITRIC OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC OXIDE SYNTHASE

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