Structure of PDB 1qrd Chain B

Receptor sequence
>1qrdB (length=273) Species: 10117 (Rattus rattus) [Search protein sequence]
AVRRALIVLAHAERTSFNYAMKEAAVEALKKKGWEVVESDLYAMNFNPLI
SRNDITGEPKDSENFQYPVESSLAYKEGRLSPDIVAEQKKLEAADLVIFQ
FPLYWFGVPAILKGWFERVLVAGFAYTYATMYDKGPFQNKKTLLSITTGG
SGSMYSLQGVHGDMNVILWPIQSGILRFCGFQVLEPQLVYSIGHTPPDAR
VQVLEGWKKRLETVWEESPLYFAPSSLFDLNFQAGFLLKKEVQEEQKKNK
FGLSVGHHLGKSIPADNQIKARK
3D structure
PDB1qrd The three-dimensional structure of NAD(P)H:quinone reductase, a flavoprotein involved in cancer chemoprotection and chemotherapy: mechanism of the two-electron reduction.
ChainB
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) G149 Y155 H161
Catalytic site (residue number reindexed from 1) G149 Y155 H161
Enzyme Commision number 1.6.5.2: NAD(P)H dehydrogenase (quinone).
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 FAD B H11 S16 F17 N18 A20 L103 Y104 W105 F106 T147 G149 Y155 R200 H11 S16 F17 N18 A20 L103 Y104 W105 F106 T147 G149 Y155 R200
BS02 DQN B W105 F106 W105 F106
Gene Ontology
Molecular Function
GO:0003955 NAD(P)H dehydrogenase (quinone) activity
GO:0004784 superoxide dismutase activity
GO:0008753 NADPH dehydrogenase (quinone) activity
GO:0016491 oxidoreductase activity
GO:0042802 identical protein binding
GO:0050136 NADH:ubiquinone reductase (non-electrogenic) activity
Biological Process
GO:0000209 protein polyubiquitination
GO:0002931 response to ischemia
GO:0006116 NADH oxidation
GO:0006743 ubiquinone metabolic process
GO:0006801 superoxide metabolic process
GO:0006979 response to oxidative stress
GO:0007584 response to nutrient
GO:0009410 response to xenobiotic stimulus
GO:0009725 response to hormone
GO:0009743 response to carbohydrate
GO:0014070 response to organic cyclic compound
GO:0014075 response to amine
GO:0019430 removal of superoxide radicals
GO:0030163 protein catabolic process
GO:0032355 response to estradiol
GO:0032496 response to lipopolysaccharide
GO:0033574 response to testosterone
GO:0034599 cellular response to oxidative stress
GO:0042177 negative regulation of protein catabolic process
GO:0042360 vitamin E metabolic process
GO:0042373 vitamin K metabolic process
GO:0043066 negative regulation of apoptotic process
GO:0043279 response to alkaloid
GO:0043525 positive regulation of neuron apoptotic process
GO:0045087 innate immune response
GO:0045454 cell redox homeostasis
GO:0045471 response to ethanol
GO:0051602 response to electrical stimulus
GO:0070301 cellular response to hydrogen peroxide
GO:0070995 NADPH oxidation
GO:0071248 cellular response to metal ion
GO:0110076 negative regulation of ferroptosis
GO:1904772 response to tetrachloromethane
GO:1904844 response to L-glutamine
GO:1904880 response to hydrogen sulfide
GO:1905395 response to flavonoid
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0030425 dendrite
GO:0043025 neuronal cell body

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1qrd, PDBe:1qrd, PDBj:1qrd
PDBsum1qrd
PubMed7568029
UniProtP05982|NQO1_RAT NAD(P)H dehydrogenase [quinone] 1 (Gene Name=Nqo1)

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