SMTL ID : 1qrd.2 (2 other biounits)

QUINONE REDUCTASE/FAD/CIBACRON BLUE/DUROQUINONE COMPLEX

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

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

FAD.1: 24 residues within 4Å: Chain A: H.11, T.15, S.16, F.17, N.18, A.20, P.102, L.103, Y.104, W.105, F.106, T.147, T.148, G.149, G.150, Y.155, I.192, R.200, L.204 Chain B: I.50, Q.66, Y.67 Ligands: CBD.2, DQN.3 26 PLIP interactions: 23 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:Y.104, A:Y.104, A:Y.104, B:Y.67 Hydrogen bonds: A:F.17, A:N.18, A:N.18, A:L.103, A:L.103, A:W.105, A:F.106, A:T.147, A:T.147, A:G.149, A:G.150, A:Y.155, A:Y.155, A:R.200, B:N.64, B:Q.66 Water bridges: A:H.11 Salt bridges: A:H.11 pi-Stacking: A:F.17, A:F.17, A:Y.104, A:W.105 FAD.4: 24 residues within 4Å: Chain A: I.50, Q.66, Y.67 Chain B: H.11, T.15, S.16, F.17, N.18, A.20, P.102, L.103, Y.104, W.105, F.106, T.147, T.148, G.149, G.150, Y.155, I.192, R.200, L.204 Ligands: CBD.5, DQN.6 25 PLIP interactions: 22 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:Y.104, B:Y.104, B:Y.104, A:Y.67 Hydrogen bonds: B:F.17, B:N.18, B:N.18, B:L.103, B:L.103, B:W.105, B:F.106, B:T.147, B:T.147, B:G.149, B:G.150, B:Y.155, B:R.200, A:N.64, A:Q.66 Water bridges: B:H.11 Salt bridges: B:H.11 pi-Stacking: B:F.17, B:F.17, B:Y.104, B:W.105

2 x CBD: CIBACRON BLUE(Non-covalent)

CBD.2: 16 residues within 4Å: Chain A: G.149, G.150, M.154, G.193, H.194 Chain B: Q.66, P.68, Y.128, A.129, K.134, L.230, N.231, F.232, F.236 Ligands: FAD.1, DQN.3 8 PLIP interactions: 7 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:L.230, B:F.236 Hydrogen bonds: B:Y.128, B:Y.128, B:F.232 pi-Stacking: B:Y.128, B:F.232, A:H.194 CBD.5: 16 residues within 4Å: Chain A: Q.66, P.68, Y.128, A.129, K.134, L.230, N.231, F.232, F.236 Chain B: G.149, G.150, M.154, G.193, H.194 Ligands: FAD.4, DQN.6 7 PLIP interactions: 1 interactions with chain B, 6 interactions with chain A pi-Stacking: B:H.194, A:Y.128, A:F.232 Hydrophobic interactions: A:L.230, A:F.236 Hydrogen bonds: A:Y.128, A:F.232

2 x DQN: DUROQUINONE(Non-covalent)

DQN.3: 10 residues within 4Å: Chain A: W.105, F.106, Y.155, H.161 Chain B: Y.126, Y.128, G.174, F.178 Ligands: FAD.1, CBD.2 9 PLIP interactions: 5 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:Y.126, B:Y.128, B:F.178, B:F.178, A:W.105, A:W.105, A:W.105, A:F.106 Hydrogen bonds: B:Y.126 DQN.6: 10 residues within 4Å: Chain A: Y.126, Y.128, G.174, F.178 Chain B: W.105, F.106, Y.155, H.161 Ligands: FAD.4, CBD.5 9 PLIP interactions: 5 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:Y.126, A:Y.128, A:F.178, A:F.178, B:W.105, B:W.105, B:W.105, B:F.106 Hydrogen bonds: A:Y.128

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, R. et al., The three-dimensional structure of NAD(P)H:quinone reductase, a flavoprotein involved in cancer chemoprotection and chemotherapy: mechanism of the two-electron reduction. Proc.Natl.Acad.Sci.USA (1995)

Release Date

1996-10-14

Peptides

QUINONE-REDUCTASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

QUINONE-REDUCTASE

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