SMTL ID : 3tem.1

Quinone Oxidoreductase (NQ02) bound to the imidazoacridin-6-one 6a1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.45 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: H.172, H.176, C.221 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.172, A:H.176, A:C.221, A:C.221 ZN.6: 3 residues within 4Å: Chain B: H.172, H.176, C.221 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:H.172, B:H.176, B:C.221, B:C.221

2 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.2: 26 residues within 4Å: Chain A: H.10, K.14, S.15, F.16, N.17, S.19, P.101, L.102, Y.103, W.104, F.105, T.146, T.147, G.148, G.149, Y.154, P.191, E.192, R.199, K.200, V.203 Chain B: N.65, Y.66, G.67, D.116 Ligands: 6A1.5 30 PLIP interactions: 27 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:Y.103, A:Y.103, A:Y.103, B:Y.66 Hydrogen bonds: A:F.16, A:N.17, A:N.17, A:S.19, A:S.19, A:L.102, A:L.102, A:W.104, A:F.105, A:T.146, A:T.146, A:G.148, A:G.149, A:Y.154, A:Y.154 Water bridges: A:H.10, A:H.10, A:H.10, A:N.160, A:N.160, A:E.192, B:N.65, B:N.65 Salt bridges: A:H.10 pi-Stacking: A:F.16, A:W.104 FAD.7: 27 residues within 4Å: Chain A: N.65, Y.66, G.67, D.116 Chain B: H.10, K.14, S.15, F.16, N.17, S.19, P.101, L.102, Y.103, W.104, F.105, T.146, T.147, G.148, G.149, Y.154, P.191, E.192, E.196, R.199, K.200, V.203 Ligands: 6A1.3 28 PLIP interactions: 26 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:Y.103, B:Y.103, B:Y.103, A:Y.66 Hydrogen bonds: B:F.16, B:N.17, B:N.17, B:S.19, B:S.19, B:L.102, B:L.102, B:W.104, B:F.105, B:T.146, B:T.146, B:G.148, B:G.149, B:Y.154, B:E.192, A:N.65 Water bridges: B:H.10, B:H.10, B:N.160, B:E.192 Salt bridges: B:H.10 pi-Stacking: B:F.16, B:F.16, B:W.104

2 x 6A1: hydroxy(2-{[(5S)-6-hydroxy-8-methoxy-4,5-dihydro-3H-imidazo[4,5,1-de]acridin-5-yl]amino}ethyl)dimethylammonium(Non-covalent)

6A1.3: 12 residues within 4Å: Chain A: G.67, Q.121, F.125, I.127, G.173, F.177 Chain B: W.104, F.105, G.148, Y.154, N.160 Ligands: FAD.7 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:W.104 Water bridges: B:G.148, B:Y.154 Salt bridges: B:E.192 Hydrogen bonds: A:Q.121 pi-Stacking: A:F.177 6A1.5: 12 residues within 4Å: Chain A: W.104, F.105, G.148, N.160, E.192, I.193 Chain B: G.67, F.125, I.127, G.173, F.177 Ligands: FAD.2 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:W.104, B:F.177, B:F.177 Water bridges: A:G.148, A:N.160 Salt bridges: A:E.192

1 x IMD: IMIDAZOLE(Non-covalent)

IMD.4: 7 residues within 4Å: Chain A: D.51, K.52, I.54, T.55, G.56, T.57, L.58 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:G.56

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dunstan, M.S. et al., Novel Inhibitors of NRH:Quinone Oxidoreductase 2 (NQO2): Crystal Structures, Biochemical Activity, and Intracellular Effects of Imidazoacridin-6-ones. J.Med.Chem. (2011)

Release Date

2011-09-21

Peptides

Ribosyldihydronicotinamide dehydrogenase [quinone]: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Ribosyldihydronicotinamide dehydrogenase [quinone]

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