SMTL ID : 6pmy.1

Structure of rat neuronal nitric oxide synthase heme domain in complex with 7-(3-(2-Aminoethyl)phenyl)-4-methylquinolin-2-amine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 18 residues within 4Å: Chain A: 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, F.408, Y.410 Ligands: H4B.2, OT4.3, ACT.4 19 PLIP interactions: 19 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:A.116, A:R.118, A:V.120, A:F.288, A:F.288, A:F.288, A:F.288, A:W.291, A:F.408, A:F.408, A:F.408 Water bridges: A:E.296, A:R.300, A:R.300 Salt bridges: A:R.118 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.6: 16 residues within 4Å: Chain B: W.113, S.117, R.118, C.119, V.120, S.161, F.288, S.289, G.290, W.291, M.293, E.296, F.408, Y.410 Ligands: H4B.7, OT4.8 19 PLIP interactions: 19 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:R.118, B:V.120, B:F.288, B:F.288, B:F.288, B:W.291, B:E.296, B:F.408, B:F.408 Hydrogen bonds: B:S.117, B:R.118, B:Y.410 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: 12 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, OT4.3 7 PLIP interactions: 6 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 pi-Stacking: A:W.382, A:W.382 Hydrophobic interactions: B:E.398 H4B.7: 12 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, OT4.8 6 PLIP interactions: 1 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:E.398 Hydrogen bonds: B:R.300, B:V.381, B:W.382 pi-Stacking: B:W.382, B:W.382

2 x OT4: 7-[3-(2-aminoethyl)phenyl]-4-methylquinolin-2-amine(Non-covalent)

OT4.3: 10 residues within 4Å: Chain A: P.269, V.271, F.288, G.290, W.291, Y.292, E.296, Y.410 Ligands: HEM.1, H4B.2 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:P.269, A:V.271, A:F.288, A:F.288 Hydrogen bonds: A:M.293, A:E.296 OT4.8: 11 residues within 4Å: Chain B: P.269, V.271, F.288, S.289, G.290, W.291, Y.292, E.296, Y.410 Ligands: HEM.6, H4B.7 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:P.269, B:V.271, B:F.288 Hydrogen bonds: B:M.293, B:E.296

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

ACT.4: 5 residues within 4Å: Chain A: G.121, W.291, V.353, S.361 Ligands: HEM.1 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.291 Hydrogen bonds: A:S.361 ACT.9: 4 residues within 4Å: Chain B: I.123, Q.124, W.291, A.358 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:A.358 Hydrogen bonds: B:Q.124, B:W.291 Water bridges: B:S.361

1 x ZN: ZINC ION(Non-covalent)

ZN.5: 4 residues within 4Å: Chain A: C.30, C.35 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

Cinelli, M.A. et al., First Contact: 7-Phenyl-2-Aminoquinolines, Potent and Selective Neuronal Nitric Oxide Synthase Inhibitors That Target an Isoform-Specific Aspartate. J.Med.Chem. (2020)

Release Date

2020-04-29

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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