2bzs

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Binding of anti-cancer prodrug CB1954 to the activating enzyme NQO2 revealed by the crystal structure of their complex.

Structural highlights

2bzs is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2Å
Ligands:CB1, FAD, ZN
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

NQO2_HUMAN The enzyme apparently serves as a quinone reductase in connection with conjugation reactions of hydroquinones involved in detoxification pathways as well as in biosynthetic processes such as the vitamin K-dependent gamma-carboxylation of glutamate residues in prothrombin synthesis.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

CB1954 is an attractive prodrug for directed-enzyme prodrug therapy (DEPT) and a conventional prodrug against tumors in which the enzyme NQO2 is highly expressed. We have determined the crystal structure of the NQO2-CB1954 complex to 2.0 A resolution. The binding of the prodrug is governed by hydrophobic forces, while two key electrostatic contacts determine the specific orientation of the ligand. The structure also reveals an unfavorable interaction, therefore suggesting possible avenues for DEPT-tailored engineering studies.

Binding of the anticancer prodrug CB1954 to the activating enzyme NQO2 revealed by the crystal structure of their complex.,AbuKhader M, Heap J, De Matteis C, Kellam B, Doughty SW, Minton N, Paoli M J Med Chem. 2005 Dec 1;48(24):7714-9. PMID:16302811[2]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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Citations
2 reviews cite this structure
Azoreductases in drug metabolism.
Ryan et al. (2017)
1 more
11 other articles
No citations found

See Also

References

  1. ↑ Calamini B, Santarsiero BD, Boutin JA, Mesecar AD. Kinetic, thermodynamic and X-ray structural insights into the interaction of melatonin and analogues with quinone reductase 2. Biochem J. 2008 Jul 1;413(1):81-91. PMID:18254726 doi:10.1042/BJ20071373
  2. ↑ AbuKhader M, Heap J, De Matteis C, Kellam B, Doughty SW, Minton N, Paoli M. Binding of the anticancer prodrug CB1954 to the activating enzyme NQO2 revealed by the crystal structure of their complex. J Med Chem. 2005 Dec 1;48(24):7714-9. PMID:16302811 doi:10.1021/jm050730n

Contents


PDB ID 2bzs

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OCA

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