SMTL ID : 4kcm.1

Structure of neuronal nitric oxide synthase heme domain in complex with N-(4-(2-(ethyl(3-(thiophene-2-carboximidamido)benzyl)amino)ethyl)phenyl)thiophene-2-carboximidamide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.07 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, R.118, C.119, V.120, G.121, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, V.353, W.382, F.408, Y.410 Ligands: H4B.2, 1QF.3 17 PLIP interactions: 17 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:F.288, A:F.288, A:F.288, A:W.291, A:E.296, A:V.353, A:W.382, A:F.408, A:F.408 Hydrogen bonds: A:Y.410 Water bridges: A:R.300, A:R.300, A:Y.410 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.6: 20 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, V.353, W.382, F.408, Y.410 Ligands: H4B.7, 1QF.8 20 PLIP interactions: 20 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:W.113, B:A.116, B:V.120, B:F.288, B:F.288, B:W.291, B:W.291, B:E.296, B:V.353, B:W.382, B:W.382, B:F.408, B:F.408 Water bridges: B:R.300, B:R.300, B:Y.410 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 10 PLIP interactions: 9 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: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 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.300, B:V.381, B:W.382 Water bridges: B:S.38, B:R.300, B:R.300, B:W.382 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382, B:W.382 Hydrophobic interactions: A:E.398

2 x 1QF: N-(4-{2-[ethyl(3-{[(E)-imino(thiophen-2-yl)methyl]amino}benzyl)amino]ethyl}phenyl)thiophene-2-carboximidamide(Non-covalent)

1QF.3: 15 residues within 4Å: Chain A: M.40, L.41, Q.182, P.269, V.271, N.273, F.288, S.289, G.290, W.291, E.296, W.382, Y.410 Chain B: W.10 Ligands: HEM.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:L.41, 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 1QF.8: 15 residues within 4Å: Chain A: W.10 Chain B: M.40, L.41, P.269, V.271, N.273, F.288, S.289, G.290, W.291, Y.292, E.296, W.382, Y.410 Ligands: HEM.6 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:L.41, B:P.269, B:V.271, 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: 6 residues within 4Å: Chain A: C.30, C.35, M.36 Chain B: C.30, C.35, M.36 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.30, A:C.35, B:C.30, B: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

Related Entries With Identical Sequence