SMTL ID : 4kco.1

Structure of neuronal nitric oxide synthase heme domain in complex with N-(3-((ethyl(3-fluorophenethyl)amino)methyl)phenyl)thiophene-2-carboximidamide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.86 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: W.113, A.116, R.118, C.119, V.120, G.121, L.128, S.161, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.2, 5H4.3 22 PLIP interactions: 22 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:W.113, A:A.116, A:R.118, A:L.128, A:F.288, A:F.288, A:F.288, A:W.291, A:W.291, A:E.296, A:W.382, A:W.382, A:F.408, A:F.408, A:F.408 Hydrogen bonds: A:Y.410 Water bridges: A:R.300 Salt bridges: A:R.118 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.6: 19 residues within 4Å: Chain B: W.113, A.116, R.118, C.119, V.120, G.121, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.7, 5H4.8 19 PLIP interactions: 19 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:W.113, B:A.116, B:R.118, B:V.120, B:F.288, B:F.288, B:W.291, B:W.291, B:E.296, B:W.382, B:F.408, B:F.408 Water bridges: B:E.296, B:R.300 Salt bridges: B:R.118 pi-Stacking: B:W.113 Metal complexes: B:C.119

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

H4B.2: 11 residues within 4Å: Chain A: S.38, M.40, R.300, V.381, W.382 Chain B: W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.1 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.300, A:V.381, A:W.382 Water bridges: A:S.38, A:R.300, A:R.300, A:W.382 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382, A:W.382 Hydrophobic interactions: B:E.398 H4B.7: 11 residues within 4Å: Chain A: W.380, F.395, H.396, Q.397, E.398 Chain B: S.38, M.40, R.300, V.381, W.382 Ligands: HEM.6 10 PLIP interactions: 9 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.300, B:V.381, B:W.382 Water bridges: B:R.300, B:R.300, B:R.300 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382 Hydrophobic interactions: A:E.398

2 x 5H4: N-[3-({ethyl[2-(3-fluorophenyl)ethyl]amino}methyl)phenyl]thiophene-2-carboximidamide(Non-covalent)

5H4.3: 12 residues within 4Å: Chain A: P.269, V.271, F.288, S.289, G.290, W.291, Y.292, E.296, W.382, Y.410 Chain B: W.10 Ligands: HEM.1 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:P.269, A:V.271, A:V.271, A:F.288, A:W.382, A:Y.410 Hydrogen bonds: A:E.296, A:E.296 5H4.8: 13 residues within 4Å: Chain B: Q.182, R.185, P.269, V.271, F.288, S.289, G.290, W.291, Y.292, E.296, W.382, Y.410 Ligands: HEM.6 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:P.269, B:V.271, B:F.288, B:W.382, B:Y.410 Hydrogen bonds: B:E.296, B:E.296

2 x BR: BROMIDE ION(Non-functional Binders)

BR.4: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP BR.9: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP

1 x ZN: ZINC ION(Non-covalent)

ZN.5: 5 residues within 4Å: Chain A: C.30, C.35, M.36 Chain B: C.30, C.35 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:C.30, B:C.35, A:C.30, A:C.35

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, H. et al., Potent and Selective Double-Headed Thiophene-2-carboximidamide Inhibitors of Neuronal Nitric Oxide Synthase for the Treatment of Melanoma. J.Med.Chem. (2014)

Release Date

2014-02-12

Peptides

Nitric oxide synthase, brain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric oxide synthase, brain

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