SMTL ID : 9q4w.1

Structure of rat neuronal nitric oxide synthase R349A mutant heme domain bound with 6-((5-(2-(4,4-difluoropiperidin-1-yl)ethyl-2,3-difluorophenoxy)methyl)-4-methylpyridin-2-amine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 18 residues within 4Å: Chain A: H.45, W.113, A.116, R.118, C.119, V.120, G.121, S.161, F.288, S.289, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.2, 01.3 21 PLIP interactions: 21 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:F.408, A:F.408, A:F.408 Salt bridges: A:H.45, A:R.118 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.5: 18 residues within 4Å: Chain B: H.45, W.113, A.116, R.118, C.119, V.120, G.121, S.161, F.288, S.289, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.6, 01.7 22 PLIP interactions: 22 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:F.288, B:F.288, B:W.291, B:W.291, B:E.296, B:W.382, B:F.408, B:F.408, B:F.408 Hydrogen bonds: B:Y.410 Salt bridges: B:H.45, 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, 01.3 8 PLIP interactions: 1 interactions with chain B, 7 interactions with chain A Hydrophobic interactions: B:E.398 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 H4B.6: 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.5, 01.7 8 PLIP interactions: 7 interactions with chain B, 1 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

2 x 01: 6-({5-[2-(4,4-difluoropiperidin-1-yl)ethyl]-2,3-difluorophenoxy}methyl)-4-methylpyridin-2-amine

01.3: 14 residues within 4Å: Chain A: M.40, P.269, V.271, M.274, F.288, S.289, G.290, W.291, Y.292, M.293, 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 Hydrogen bonds: A:M.293, A:E.296, A:Y.410 01.7: 14 residues within 4Å: Chain B: M.40, P.269, V.271, M.274, F.288, S.289, G.290, W.291, Y.292, M.293, E.296, Y.410 Ligands: HEM.5, H4B.6 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 ZN: ZINC ION(Non-covalent)

ZN.4: 7 residues within 4Å: Chain A: C.30, C.35, M.36, G.37 Chain B: C.30, C.35 Ligands: ZN.8 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 ZN.8: 7 residues within 4Å: Chain A: C.30, C.35 Chain B: C.30, C.35, M.36, G.37 Ligands: ZN.4 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

Ansari, A. et al., Highly potent, selective, and membrane permeable ether linked 2-aminopyridine-based human neuronal nitric oxide synthase inhibitors. To Be Published

Release Date

2025-09-10

Peptides

Nitric oxide synthase, brain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Nitric oxide synthase, brain

Related Entries With Identical Sequence