SMTL ID : 3o73.1

Crystal structure of quinone reductase 2 in complex with the indolequinone MAC627

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 3 residues within 4Å: Chain A: H.174, H.178, C.223 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.174, A:H.178, A:C.223, A:C.223 ZN.5: 3 residues within 4Å: Chain B: H.174, H.178, C.223 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:H.174, B:H.178, B:C.223, B:C.223

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

FAD.2: 23 residues within 4Å: Chain A: H.12, K.16, S.17, F.18, N.19, S.21, P.103, L.104, Y.105, W.106, F.107, T.148, T.149, G.150, G.151, Y.156, E.194, R.201, K.202 Chain B: N.67, G.69, D.118 Ligands: O73.3 25 PLIP interactions: 24 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:Y.105, A:Y.105, A:Y.105 Hydrogen bonds: A:F.18, A:N.19, A:N.19, A:S.21, A:S.21, A:L.104, A:L.104, A:W.106, A:F.107, A:T.148, A:T.148, A:G.150, A:G.151, A:Y.156, A:Y.156, A:E.194, A:R.201, A:K.202 Water bridges: A:E.194, B:N.67 Salt bridges: A:H.12 pi-Stacking: A:W.106 FAD.6: 25 residues within 4Å: Chain A: N.67, Y.68, D.118 Chain B: H.12, K.16, S.17, F.18, N.19, S.21, P.103, L.104, Y.105, W.106, F.107, T.148, T.149, G.150, G.151, Y.156, P.193, E.194, E.198, R.201, K.202 Ligands: O73.4 23 PLIP interactions: 22 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:Y.105, B:Y.105, B:Y.105, B:Y.105, A:Y.68 Hydrogen bonds: B:F.18, B:N.19, B:N.19, B:S.21, B:S.21, B:L.104, B:W.106, B:F.107, B:T.148, B:T.148, B:G.150, B:G.151, B:Y.156, B:E.194, B:R.201 Salt bridges: B:H.12 pi-Stacking: B:F.18, B:W.106

2 x O73: 5-[(4-aminobutyl)amino]-1,2-dimethyl-3-[(4-nitrophenoxy)methyl]-1H-indole-4,7-dione(Non-covalent)

O73.3: 16 residues within 4Å: Chain A: W.106, G.150, G.151, M.155, N.162, E.194, I.195 Chain B: G.69, T.72, D.118, L.121, C.122, Q.123, F.127, F.179 Ligands: FAD.2 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:E.194, A:I.195, A:I.195, B:F.127 Hydrogen bonds: B:D.118 O73.4: 12 residues within 4Å: Chain A: Y.68, D.118, L.121, C.122, F.127, F.179 Chain B: W.106, G.150, G.151, M.155, E.194 Ligands: FAD.6 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:W.106, B:E.194, A:F.127

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dufour, M. et al., Mechanism-Based Inhibition of Quinone Reductase 2 (NQO2): Selectivity for NQO2 over NQO1 and Structural Basis for Flavoprotein Inhibition. Chembiochem (2011)

Release Date

2011-05-11

Peptides

Ribosyldihydronicotinamide dehydrogenase [quinone]: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Ribosyldihydronicotinamide dehydrogenase [quinone]