SMTL ID : 9cvj.1

Structure of rat nNOS R349A mutant heme domain bound with 4-methyl-6-(3-((methylamino)methyl)-5-(trifluoromethyl)phenyl)pyridin-2-amine dihydrochloride

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.79 Å

Oligo State

monomer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: H.45, W.113, A.116, R.118, C.119, V.120, G.121, S.161, M.274, F.288, S.289, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.2, 01.5 23 PLIP interactions: 23 interactions with chain A, Hydrophobic interactions: A:W.113, 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: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 Salt bridges: A:H.45, A:R.118 pi-Stacking: A:W.113 Metal complexes: A:C.119

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

H4B.2: 5 residues within 4Å: Chain A: S.38, R.300, V.381, W.382 Ligands: HEM.1 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:R.300, A:R.300, A:V.381, A:W.382 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382

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

ACT.3: 7 residues within 4Å: Chain A: G.121, I.123, Q.124, W.291, V.353, A.358, S.361 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.123, A:Q.124, A:W.291

1 x ZN: ZINC ION(Non-covalent)

ZN.4: 3 residues within 4Å: Chain A: C.30, C.35, M.36 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:C.30, A:C.35

1 x 01: (6P)-4-methyl-6-{3-[(methylamino)methyl]-5-(trifluoromethyl)phenyl}pyridin-2-amine

01.5: 13 residues within 4Å: Chain A: P.269, V.271, M.274, F.288, S.289, G.290, W.291, Y.292, M.293, E.296, W.382, Y.410 Ligands: HEM.1 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:P.269, A:V.271, A:F.288 Hydrogen bonds: A:M.293, A:E.296, A:E.296, A:E.296 Water bridges: A:Q.182

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Vasu, D. et al., Truncated pyridinylbenzylamines: Potent, selective, and highly membrane permeable inhibitors of human neuronal nitric oxide synthase. Bioorg.Med.Chem. (2025)

Release Date

2025-04-30

Peptides

Nitric oxide synthase, brain: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Nitric oxide synthase, brain

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