SMTL ID : 9r3j.1

Crystal structure of human MAO B in complex with (E)-3-(benzo[d][1,3]dioxol-5-yl)-1-(3-(trifluoromethyl)phenyl)prop-2-en-1-one (chalcone inhibitor, 4e)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Covalent)

FAD.1: 37 residues within 4Å: Chain A: V.9, G.10, G.11, G.12, I.13, S.14, L.32, E.33, A.34, R.35, G.39, G.40, R.41, T.42, L.55, G.56, G.57, S.58, Y.59, R.232, P.233, V.234, A.262, I.263, P.264, L.267, W.387, Y.392, C.396, Y.397, G.424, T.425, G.433, Y.434, M.435, A.438 Ligands: 01.3 31 PLIP interactions: 31 interactions with chain A Hydrophobic interactions: A:W.387, A:Y.397 Hydrogen bonds: A:G.11, A:G.12, A:S.14, A:A.34, A:R.35, A:R.35, A:G.39, A:R.41, A:G.57, A:S.58, A:Y.59, A:Y.59, A:V.234, A:V.234, A:T.425, A:T.425, A:G.433, A:M.435 Water bridges: A:I.13, A:G.15, A:G.40, A:R.41, A:R.41, A:T.42, A:Q.64, A:E.436 Salt bridges: A:R.41, A:R.41 pi-Stacking: A:Y.392 FAD.4: 36 residues within 4Å: Chain B: V.9, G.10, G.11, G.12, I.13, S.14, L.32, E.33, A.34, R.35, G.39, G.40, R.41, T.42, L.55, G.56, G.57, S.58, Y.59, R.232, P.233, V.234, A.262, I.263, P.264, W.387, Y.392, C.396, Y.397, G.424, T.425, G.433, Y.434, M.435, A.438 Ligands: 01.6 31 PLIP interactions: 31 interactions with chain B Hydrophobic interactions: B:W.387, B:Y.397, B:Y.397 Hydrogen bonds: B:G.11, B:G.12, B:S.14, B:A.34, B:R.35, B:G.39, B:R.41, B:G.57, B:S.58, B:Y.59, B:Y.59, B:V.234, B:V.234, B:T.425, B:G.433, B:M.435 Water bridges: B:I.13, B:G.15, B:E.33, B:E.33, B:R.41, B:R.41, B:T.42, B:Q.64, B:E.436 Salt bridges: B:R.41, B:R.41 pi-Stacking: B:Y.392

2 x C15: N-DODECYL-N,N-DIMETHYL-3-AMMONIO-1-PROPANESULFONATE(Non-covalent)

C15.2: 4 residues within 4Å: Chain A: D.152, K.153, C.155, W.156 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:W.156, A:W.156 Water bridges: A:K.153 pi-Cation interactions: A:W.156, A:W.156 C15.5: 4 residues within 4Å: Chain B: D.152, K.153, C.155, W.156 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:W.156 Water bridges: B:K.153 pi-Cation interactions: B:W.156, B:W.156

2 x 01: (~{E})-3-(1,3-benzodioxol-5-yl)-1-[3-(trifluoromethyl)phenyl]prop-2-en-1-one

01.3: 15 residues within 4Å: Chain A: P.103, W.118, L.163, F.167, L.170, C.171, I.197, I.198, Q.205, I.315, Y.325, F.342, Y.397, Y.434 Ligands: FAD.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:L.170, A:I.198, A:I.198, A:Q.205, A:I.315, A:Y.325, A:F.342 Hydrogen bonds: A:Y.434 Halogen bonds: A:L.163 01.6: 15 residues within 4Å: Chain B: P.103, W.118, L.163, F.167, L.170, C.171, I.197, I.198, Q.205, I.315, Y.325, F.342, Y.397, Y.434 Ligands: FAD.4 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:L.170, B:I.198, B:I.198, B:Q.205, B:I.315, B:Y.325, B:F.342 Halogen bonds: B:L.163

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Facchetti, G. et al., Design, synthesis, and biological evaluation of chalcone derivatives as selective Monoamine Oxidase-B inhibitors with potential neuroprotective effects. Eur.J.Med.Chem. (2025)

Release Date

2025-08-13

Peptides

Amine oxidase [flavin-containing] B: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
AAA

B
BBB

Amine oxidase [flavin-containing] B

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