SMTL ID : 1k2u.1

Structure of rat brain nNOS heme domain complexed with S-ethyl-N-[4-(trifluoromethyl)phenyl] isothiourea

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

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

ACT.1: 4 residues within 4Å: Chain A: W.289, V.351, S.359 Ligands: HEM.3 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:W.289 Hydrogen bonds: A:W.289, A:S.359 ACT.6: 5 residues within 4Å: Chain B: G.119, I.121, Q.122, W.289, V.351 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:I.121, B:Q.122 Hydrogen bonds: B:W.289 Water bridges: B:Q.122

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: C.28, C.33, M.34 Chain B: C.28, C.33 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.28, A:C.33, B:C.28, B:C.33

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

HEM.3: 19 residues within 4Å: Chain A: W.111, A.114, R.116, C.117, V.118, S.159, M.272, F.286, S.287, G.288, W.289, M.291, E.294, W.380, F.406, Y.408 Ligands: ACT.1, H4B.4, TFM.5 18 PLIP interactions: 18 interactions with chain A, Hydrophobic interactions: A:W.111, A:W.111, A:W.111, A:A.114, A:R.116, A:F.286, A:F.286, A:F.286, A:W.289, A:E.294, A:W.380, A:F.406, A:F.406 Hydrogen bonds: A:Y.408 Water bridges: A:Y.408 Salt bridges: A:R.116 pi-Stacking: A:W.111 Metal complexes: A:C.117 HEM.7: 19 residues within 4Å: Chain B: W.111, A.114, R.116, C.117, V.118, G.119, S.159, M.272, F.286, S.287, G.288, W.289, M.291, E.294, W.380, F.406, Y.408 Ligands: H4B.8, TFM.9 19 PLIP interactions: 19 interactions with chain B, Hydrophobic interactions: B:W.111, B:W.111, B:A.114, B:R.116, B:V.118, B:F.286, B:F.286, B:W.289, B:E.294, B:W.380, B:F.406, B:F.406 Water bridges: B:E.294, B:R.298, B:R.298, B:Y.408 Salt bridges: B:R.116 pi-Stacking: B:W.111 Metal complexes: B:C.117

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

H4B.4: 11 residues within 4Å: Chain A: S.36, M.38, R.298, V.379, W.380 Chain B: W.378, F.393, H.394, Q.395, E.396 Ligands: HEM.3 14 PLIP interactions: 2 interactions with chain B, 12 interactions with chain A Hydrophobic interactions: B:E.396 Water bridges: B:H.394, A:S.36, A:R.298, A:R.298, A:R.298, A:W.380 Hydrogen bonds: A:R.298, A:V.379, A:W.380 pi-Stacking: A:W.380, A:W.380 pi-Cation interactions: A:W.380, A:W.380 H4B.8: 10 residues within 4Å: Chain A: W.378, F.393, H.394, Q.395, E.396 Chain B: S.36, R.298, V.379, W.380 Ligands: HEM.7 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.298, B:V.379, B:W.380 Water bridges: B:R.298, B:R.298, B:W.380 pi-Stacking: B:W.380, B:W.380 pi-Cation interactions: B:W.380, B:W.380 Hydrophobic interactions: A:E.396

2 x TFM: S-ETHYL-N-[4-(TRIFLUOROMETHYL)PHENYL]ISOTHIOUREA(Non-covalent)

TFM.5: 11 residues within 4Å: Chain A: P.267, V.269, M.272, F.286, S.287, G.288, W.289, Y.290, E.294, W.380 Ligands: HEM.3 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:V.269, A:F.286 Hydrogen bonds: A:E.294 TFM.9: 11 residues within 4Å: Chain B: P.267, V.269, M.272, F.286, S.287, G.288, W.289, Y.290, E.294, W.380 Ligands: HEM.7 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:V.269, B:F.286 Hydrogen bonds: B:E.294

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Structure of rat brain nNOS heme domain. To be Published

Release Date

2003-03-04

Peptides

nitric-oxide synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

nitric-oxide synthase

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