2QMZ

Quinone Reductase 2 in Complex with Dopamine

• PDB DOI: https://doi.org/10.2210/pdb2QMZ/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-07-17 Released: 2008-06-24 
• Deposition Author(s): Fu, Y., Buryanovskyy, L., Zhang, Z.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.238 
• R-Value Work: 0.193 

Literature

Quinone Reductase 2 Regulates Catecholamine Oxidation

Fu, Y., Buryanovskyy, L., Zhang, Z.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 53.71 kDa 
• Atom Count: 4,146 
• Modelled Residue Count: 460 
• Deposited Residue Count: 460 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribosyldihydronicotinamide dehydrogenase	A, B	230	Homo sapiens	Mutation(s): 0  Gene Names: NQO2, NMOR2 EC: 1.10.99.2 (PDB Primary Data), 1.10.5.1 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P16083 (Homo sapiens) Explore P16083  Go to UniProtKB:  P16083
PHAROS:  P16083 GTEx:  ENSG00000124588

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FAD	D [auth A], G [auth B]	FLAVIN-ADENINE DINUCLEOTIDE C27 H33 N9 O15 P2 VWWQXMAJTJZDQX-UYBVJOGSSA-N
LDP	E [auth A], H [auth B]	L-DOPAMINE C8 H11 N O2 VYFYYTLLBUKUHU-UHFFFAOYSA-N
ZN	C [auth A], F [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.238 
• R-Value Work: 0.193 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.442	α = 90
b = 106.448	β = 90
c = 56.533	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-06-24 
Deposition Author(s): Fu, Y., Buryanovskyy, L., Zhang, Z.

Revision History  

• Version 1.0: 2008-06-24
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2024-02-21
  Changes: Data collection, Database references, Derived calculations