SMTL ID : 4d1o.1

Structure of human endothelial nitric oxide synthase heme domain with L-Arg bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.82 Å

Oligo State

homo-dimer

Ligands

2 x ARG: ARGININE(Non-covalent)

ARG.1: 10 residues within 4Å: Chain A: Q.207, R.210, Y.291, P.294, V.296, W.316, Y.317, E.321, N.326 Ligands: HEM.2 17 PLIP interactions: 14 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:V.296 Hydrogen bonds: A:Q.207, A:W.316, A:W.316, A:Y.317, A:E.321, A:N.326, R.1 Water bridges: A:R.210, A:G.315, A:N.326, A:R.332, A:R.332, R.1, R.1 Salt bridges: A:R.210, A:E.321 ARG.11: 10 residues within 4Å: Chain B: Q.207, R.210, Y.291, P.294, V.296, W.316, Y.317, E.321, N.326 Ligands: HEM.12 14 PLIP interactions: 13 interactions with chain B, 1 Ligand-Ligand interactions Hydrophobic interactions: B:V.296 Hydrogen bonds: B:Q.207, B:Q.207, B:Y.291, B:W.316, B:E.321, B:N.326 Water bridges: B:R.210, B:P.294, B:G.315, B:N.326, R.11 Salt bridges: B:R.210, B:E.321

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

HEM.2: 21 residues within 4Å: Chain A: W.138, A.141, R.143, C.144, V.145, G.146, L.153, S.186, F.313, S.314, G.315, W.316, M.318, E.321, V.378, W.407, F.433, Y.435 Ligands: ARG.1, ACT.3, H4B.9 25 PLIP interactions: 21 interactions with chain A, 4 Ligand-Ligand interactions Hydrophobic interactions: A:W.138, A:W.138, A:W.138, A:A.141, A:R.143, A:L.153, A:F.313, A:F.313, A:F.313, A:F.313, A:W.316, A:E.321, A:V.378, A:W.407, A:W.407, A:F.433, A:F.433, A:F.433, R.1 Water bridges: A:Y.435 pi-Stacking: A:W.138 Metal complexes: A:C.144 Hydrogen bonds: R.1 pi-Cation interactions: R.1, R.1 HEM.12: 20 residues within 4Å: Chain B: W.138, A.141, R.143, C.144, V.145, G.146, S.186, F.313, S.314, G.315, W.316, M.318, E.321, V.378, W.407, F.433, Y.435 Ligands: ARG.11, ACT.13, H4B.17 24 PLIP interactions: 20 interactions with chain B, 4 Ligand-Ligand interactions Hydrophobic interactions: B:W.138, B:W.138, B:W.138, B:A.141, B:F.313, B:F.313, B:F.313, B:F.313, B:W.316, B:E.321, B:V.378, B:W.407, B:W.407, B:F.433, B:F.433, B:F.433, R.11 Hydrogen bonds: B:Y.435, R.11 Water bridges: B:Y.435 pi-Stacking: B:W.138 Metal complexes: B:C.144 pi-Cation interactions: R.11, R.11

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

ACT.3: 5 residues within 4Å: Chain A: G.146, W.316, V.378, S.386 Ligands: HEM.2 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:W.316, A:S.386 Water bridges: A:Q.149 ACT.13: 5 residues within 4Å: Chain B: G.146, W.316, V.378, S.386 Ligands: HEM.12 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:S.386, B:S.386 Water bridges: B:Q.149, B:Q.149

4 x BTB: 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-covalent)

BTB.4: 5 residues within 4Å: Chain A: W.282, V.341, C.342, D.344 Ligands: GD.10 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:D.344 BTB.5: 1 residues within 4Å: Chain A: E.337 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.337 Salt bridges: A:E.337 BTB.14: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: GD.18 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:E.281, B:E.281 Water bridges: B:T.279, B:T.279, B:T.279, B:T.279, B:E.281 Salt bridges: B:E.281 BTB.15: 2 residues within 4Å: Chain B: E.258, P.259 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.258 Salt bridges: B:E.258

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.6: 6 residues within 4Å: Chain A: V.64, R.325, D.329, H.331 Chain B: W.34 Ligands: H4B.9 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.325, A:H.331 Water bridges: A:D.329, A:D.329, B:H.421 GOL.7: 1 residues within 4Å: Chain A: E.127 No protein-ligand interaction detected (PLIP) GOL.16: 5 residues within 4Å: Chain A: W.34 Chain B: V.64, R.325, H.331 Ligands: H4B.17 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.325, B:R.325, B:H.331 Water bridges: B:D.329

1 x ZN: ZINC ION(Non-covalent)

ZN.8: 4 residues within 4Å: Chain A: C.54, C.59 Chain B: C.54, C.59 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.54, A:C.59, B:C.54, B:C.59

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

H4B.9: 12 residues within 4Å: Chain A: S.62, V.64, R.325, A.406, W.407 Chain B: W.405, F.420, H.421, Q.422, E.423 Ligands: HEM.2, GOL.6 8 PLIP interactions: 1 interactions with chain B, 7 interactions with chain A Hydrophobic interactions: B:E.423 Hydrogen bonds: A:R.325, A:R.325, A:A.406, A:W.407 pi-Stacking: A:W.407, A:W.407 pi-Cation interactions: A:W.407 H4B.17: 12 residues within 4Å: Chain A: W.405, F.420, H.421, Q.422, E.423 Chain B: S.62, V.64, R.325, A.406, W.407 Ligands: HEM.12, GOL.16 9 PLIP interactions: 2 interactions with chain A, 7 interactions with chain B Hydrophobic interactions: A:E.423 Water bridges: A:H.421, B:R.325 Hydrogen bonds: B:R.325, B:A.406, B:W.407 pi-Stacking: B:W.407, B:W.407 pi-Cation interactions: B:W.407

2 x GD: GADOLINIUM ATOM(Non-functional Binders)(Non-covalent)

GD.10: 1 residues within 4Å: Ligands: BTB.4 No protein-ligand interaction detected (PLIP) GD.18: 3 residues within 4Å: Chain B: T.279, E.281 Ligands: BTB.14 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.279, B:E.281, H2O.26, H2O.26

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Structures of Human Constitutive Nitric Oxide Synthases. Acta Crystallogr.,Sect.D (2014)

Release Date

2014-10-15

Peptides

NITRIC OXIDE SYNTHASE, ENDOTHELIAL: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC OXIDE SYNTHASE, ENDOTHELIAL

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