SMTL ID : 4cun.1

Structure of bovine endothelial nitric oxide synthase heme domain in complex with (9aS)-2-amino-9a-methyl-8,9,9a,10-tetrahydrobenzo[g]pteridine-4,6(3H,7H)-dione

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.48 Å

Oligo State

homo-dimer

Ligands

2 x ARG: ARGININE(Non-covalent)

ARG.1: 10 residues within 4Å: Chain A: Q.210, R.213, Y.294, P.297, V.299, W.319, Y.320, E.324, N.329 Ligands: HEM.2 10 PLIP interactions: 10 interactions with chain A, Hydrogen bonds: A:Q.210, A:Q.210, A:R.213, A:Y.294, A:W.319, A:E.324, A:N.329 Water bridges: A:P.297, A:G.318 Salt bridges: A:E.324 ARG.7: 10 residues within 4Å: Chain B: Q.210, R.213, Y.294, P.297, V.299, W.319, Y.320, E.324, N.329 Ligands: HEM.8 7 PLIP interactions: 7 interactions with chain B, Hydrogen bonds: B:Q.210, B:Q.210, B:W.319, B:Y.320, B:N.329 Salt bridges: B:R.213, B:E.324

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

HEM.2: 20 residues within 4Å: Chain A: W.141, A.144, R.146, C.147, V.148, G.149, S.189, M.302, F.316, S.317, G.318, W.319, M.321, E.324, V.381, W.410, F.436, Y.438 Ligands: ARG.1, WS6.3 21 PLIP interactions: 18 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:W.141, A:W.141, A:W.141, A:A.144, A:F.316, A:F.316, A:F.316, A:F.316, A:W.319, A:E.324, A:V.381, A:W.410, A:F.436, A:F.436, R.1 Hydrogen bonds: A:R.146, A:Y.438, R.1 pi-Stacking: A:W.141 Metal complexes: A:C.147 pi-Cation interactions: R.1 HEM.8: 20 residues within 4Å: Chain B: W.141, R.146, C.147, V.148, G.149, Q.152, S.189, M.302, F.316, S.317, G.318, W.319, M.321, E.324, V.381, W.410, F.436, Y.438 Ligands: ARG.7, WS6.9 20 PLIP interactions: 16 interactions with chain B, 4 Ligand-Ligand interactions Hydrophobic interactions: B:W.141, B:W.141, B:V.148, B:Q.152, B:F.316, B:F.316, B:F.316, B:F.316, B:W.319, B:W.319, B:E.324, B:V.381, B:F.436, B:F.436, R.7 pi-Stacking: B:W.141 Metal complexes: B:C.147 Hydrogen bonds: R.7 pi-Cation interactions: R.7, R.7

2 x WS6: (9aS)-2-amino-9a-methyl-8,9,9a,10-tetrahydrobenzo[g]pteridine-4,6(3H,7H)-dione(Non-covalent)

WS6.3: 11 residues within 4Å: Chain A: S.65, V.67, R.328, A.409, W.410 Chain B: W.37, W.408, F.423, H.424 Ligands: HEM.2, GOL.5 10 PLIP interactions: 8 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:V.67, B:W.408, B:F.423 Hydrogen bonds: A:R.328, A:R.328, A:A.409, A:W.410 pi-Stacking: A:W.410, A:W.410 pi-Cation interactions: A:W.410 WS6.9: 10 residues within 4Å: Chain A: W.37, W.408, F.423 Chain B: S.65, V.67, R.328, A.409, W.410 Ligands: HEM.8, GOL.11 10 PLIP interactions: 2 interactions with chain A, 8 interactions with chain B Hydrophobic interactions: A:W.408, A:F.423, B:V.67 Hydrogen bonds: B:R.328, B:R.328, B:A.409, B:W.410 pi-Stacking: B:W.410, B:W.410 pi-Cation interactions: B:W.410

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

ACT.4: 8 residues within 4Å: Chain A: D.359, V.363, I.415, S.416 Chain B: D.359, V.363, I.415, S.416 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:D.359, B:S.416, A:S.416 Hydrophobic interactions: A:D.359, A:V.363 ACT.10: 6 residues within 4Å: Chain B: G.149, I.151, Q.152, W.319, V.381, S.389 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:Q.152, B:W.319 Hydrogen bonds: B:S.389, B:S.389

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 5 residues within 4Å: Chain A: V.67, R.328, H.334 Chain B: W.37 Ligands: WS6.3 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.328, A:H.334 GOL.11: 4 residues within 4Å: Chain B: R.328, H.334, R.335 Ligands: WS6.9 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.328, B:H.334

1 x ZN: ZINC ION(Non-covalent)

ZN.6: 6 residues within 4Å: Chain A: C.57, C.62, G.64 Chain B: C.57, C.62, G.64 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:C.57, B:C.62, A:C.57, A:C.62

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chreifi, G. et al., Communication between the Zinc and Tetrahydrobiopterin Binding Sites in Nitric Oxide Synthase. Biochemistry (2014)

Release Date

2014-05-28

Peptides

NITRIC OXIDE SYNTHASE, ENDOTHELIAL: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC OXIDE SYNTHASE, ENDOTHELIAL

Related Entries With Identical Sequence