SMTL ID : 4fgl.2 (1 other biounit)

Reduced quinone reductase 2 in complex with chloroquine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.176, H.180, C.225, T.226 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.176, A:H.180, A:C.225, A:C.225 ZN.4: 4 residues within 4Å: Chain B: H.176, H.180, C.225, T.226 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:H.176, B:H.180, B:C.225, B:C.225

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

FAD.2: 27 residues within 4Å: Chain A: H.14, K.18, S.19, F.20, N.21, S.23, P.105, L.106, Y.107, W.108, F.109, T.150, T.151, G.152, G.153, Y.158, P.195, E.196, E.200, R.203, K.204, V.207 Chain B: N.69, Y.70, G.71, D.120 Ligands: CLQ.3 31 PLIP interactions: 1 interactions with chain B, 30 interactions with chain A Hydrogen bonds: B:N.69, A:F.20, A:N.21, A:N.21, A:S.23, A:S.23, A:L.106, A:L.106, A:W.108, A:F.109, A:T.150, A:G.152, A:G.153, A:Y.158, A:E.196, A:E.196, A:R.203, A:R.203 Hydrophobic interactions: A:Y.107, A:Y.107, A:Y.107 Water bridges: A:H.14, A:H.14, A:H.14, A:H.14, A:K.18, A:N.164 Salt bridges: A:H.14 pi-Stacking: A:F.20, A:F.20, A:W.108 FAD.5: 27 residues within 4Å: Chain A: N.69, Y.70, G.71, D.120 Chain B: H.14, K.18, S.19, F.20, N.21, S.23, P.105, L.106, Y.107, W.108, F.109, T.150, T.151, G.152, G.153, Y.158, P.195, E.196, E.200, R.203, K.204, V.207 Ligands: CLQ.6 27 PLIP interactions: 26 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:Y.107 Hydrogen bonds: B:F.20, B:N.21, B:N.21, B:S.23, B:L.106, B:L.106, B:W.108, B:F.109, B:T.150, B:T.151, B:G.152, B:G.153, B:Y.158, B:E.196, B:E.196, B:R.203, B:R.203, B:K.204, A:N.69 Water bridges: B:H.14, B:H.14, B:H.14 Salt bridges: B:H.14 pi-Stacking: B:F.20, B:F.20, B:Y.107

3 x CLQ: N4-(7-CHLORO-QUINOLIN-4-YL)-N1,N1-DIETHYL-PENTANE-1,4-DIAMINE(Non-covalent)

CLQ.3: 14 residues within 4Å: Chain A: G.152, G.153, M.157, N.164, E.196 Chain B: N.69, G.71, V.72, H.75, Q.125, F.129, I.131, F.181 Ligands: FAD.2 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:F.129, B:I.131, B:I.131, B:F.181 Water bridges: A:E.196 Halogen bonds: A:N.164 CLQ.6: 14 residues within 4Å: Chain A: N.69, G.71, V.72, Q.125, F.129, I.131, F.181 Chain B: G.152, G.153, M.157, N.164, E.196, I.197 Ligands: FAD.5 7 PLIP interactions: 3 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:I.197, A:F.129, A:I.131, A:F.181 Water bridges: B:E.196, A:Q.125 Halogen bonds: B:N.164 CLQ.7: 4 residues within 4Å: Chain B: K.25, N.26, V.29, D.30 1 PLIP interactions: 1 interactions with chain B Water bridges: B:D.30

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Leung, K.K. et al., Crystal structures of quinone reductase 2 bound to antimalarial drugs reveal conformational change upon reduction. J.Biol.Chem. (2013)

Release Date

2013-03-13

Peptides

Ribosyldihydronicotinamide dehydrogenase [quinone]: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Ribosyldihydronicotinamide dehydrogenase [quinone]

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