SMTL ID : 1d1w.1

BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN COMPLEXED WITH 2-AMINOTHIAZOLINE (H4B BOUND)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 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 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Q.211, A:N.330 Water bridges: 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 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.390, A:S.390 ACT.10: 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.11: 5 residues within 4Å: Chain B: Q.153, W.320, V.382, S.390 Ligands: HEM.12 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:Q.153, B:W.320 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 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.4: 20 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, H4B.5, ATQ.6 18 PLIP interactions: 18 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: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: 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, W.411, F.437, Y.439 Ligands: ACT.11, H4B.13, ATQ.14 17 PLIP interactions: 17 interactions with chain B, Hydrophobic interactions: B:W.142, B:W.142, B:W.142, B:A.145, B:L.157, B:F.317, B:F.317, B:F.317, B:F.317, B:W.320, B:W.320, B:E.325, 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.5: 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.4, GOL.8 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.329, A:A.410, A:W.411 Water bridges: A:R.329 pi-Stacking: A:W.411, 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.16 8 PLIP interactions: 7 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 pi-Cation interactions: B:W.411 Hydrophobic interactions: A:E.427

2 x ATQ: 2-AMINOTHIAZOLINE(Non-covalent)

ATQ.6: 7 residues within 4Å: Chain A: P.298, V.300, G.319, W.320, Y.321, E.325 Ligands: HEM.4 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.325 ATQ.14: 7 residues within 4Å: Chain B: P.298, V.300, F.317, W.320, Y.321, E.325 Ligands: HEM.12 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:E.325

2 x CAD: CACODYLIC ACID(Non-covalent)

CAD.7: 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.68, R.329, H.335, W.411 Chain B: W.38 Ligands: H4B.5 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.329, A:R.329, A:H.335 GOL.9: 6 residues within 4Å: Chain A: V.225, R.226, G.227, R.249, R.336, Y.337 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.227, A:R.249, A:R.336, A:Y.337 GOL.16: 6 residues within 4Å: Chain A: W.38 Chain B: V.68, R.329, H.335, W.411 Ligands: H4B.13 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.329, B:R.329, B:H.335 GOL.17: 7 residues within 4Å: Chain B: V.225, R.226, G.227, P.229, R.249, R.336, Y.337 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:G.227 Water bridges: B:R.336

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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