SMTL ID : 3nln.1

Structure of neuronal nitric oxide synthase R349A mutant heme domain in complex with 6-{{(3'R,4'S)-3'-[2"-(3'''-fluorophenethylamino)ethoxy]pyrrolidin-4'-yl}methyl}-4-methylpyridin-2-amine

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 20 residues within 4Å: Chain A: W.113, A.116, R.118, C.119, V.120, G.121, L.128, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.2, JRS.3 21 PLIP interactions: 21 interactions with chain A, Hydrophobic interactions: 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:F.288, A:W.291, A:E.296, A:W.382, A:F.408, A:F.408, A:F.408 Hydrogen bonds: A:R.118, A:Y.410 Water bridges: A:R.300, A:R.300 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, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.7, JRS.8, ACT.9 16 PLIP interactions: 16 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:F.288, B:W.291, B:E.296, B:W.382, B:F.408, B:F.408 Water bridges: B:R.300 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:R.300, A:R.300, A:W.382 pi-Stacking: 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 9 PLIP interactions: 7 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:R.300, B:R.300, B:V.381, B:W.382 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382 Hydrophobic interactions: A:E.398 Water bridges: A:H.396

2 x JRS: 6-{[(3S,4R)-4-(2-{[2-(3-fluorophenyl)ethyl]amino}ethoxy)pyrrolidin-3-yl]methyl}-4-methylpyridin-2-amine(Non-covalent)

JRS.3: 14 residues within 4Å: Chain A: M.40, L.41, 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 11 PLIP interactions: 10 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:M.40, A:L.41, A:L.41, A:P.269, A:F.288, A:W.382, A:Y.410 Hydrogen bonds: A:Q.182, A:E.296 Water bridges: A:N.273 pi-Stacking: B:W.10 JRS.8: 15 residues within 4Å: Chain A: W.10 Chain B: M.40, L.41, Q.182, P.269, V.271, F.288, S.289, G.290, W.291, Y.292, E.296, W.382, Y.410 Ligands: HEM.6 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:M.40, B:L.41, B:L.41, B:P.269, B:F.288, B:W.382, B:Y.410, A:W.10 Hydrogen bonds: B:Q.182, B:M.293, B:E.296 pi-Stacking: B:Y.410

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

ACT.4: 5 residues within 4Å: Chain A: G.121, W.291, V.353, A.358, S.361 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.291, A:S.361 ACT.9: 5 residues within 4Å: Chain B: G.121, W.291, V.353, S.361 Ligands: HEM.6 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:S.361, B:S.361 Water bridges: B:Q.124

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 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

Ji, H. et al., Exploration of the Active Site of Neuronal Nitric Oxide Synthase by the Design and Synthesis of Pyrrolidinomethyl 2-Aminopyridine Derivatives. J.Med.Chem. (2010)

Release Date

2010-11-03

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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