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- PDB-9ezt: XFEL structure of hNQO1 mixed with NADH for 1.2 s -

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Basic information

Entry
Database: PDB / ID: 9ezt
TitleXFEL structure of hNQO1 mixed with NADH for 1.2 s
Components(NAD(P)H dehydrogenase [quinone] 1) x 2
KeywordsOXIDOREDUCTASE / cooperativity / flavoenzyme / quinones / cancer
Function / homology
Function and homology information


ubiquinone metabolic process / vitamin E metabolic process / NAD(P)H dehydrogenase (quinone) / NADPH dehydrogenase (quinone) activity / cytochrome-b5 reductase activity, acting on NAD(P)H / vitamin K metabolic process / NADH dehydrogenase (quinone) (non-electrogenic) activity / NAD(P)H dehydrogenase (quinone) activity / synaptic transmission, cholinergic / Regulation of ornithine decarboxylase (ODC) ...ubiquinone metabolic process / vitamin E metabolic process / NAD(P)H dehydrogenase (quinone) / NADPH dehydrogenase (quinone) activity / cytochrome-b5 reductase activity, acting on NAD(P)H / vitamin K metabolic process / NADH dehydrogenase (quinone) (non-electrogenic) activity / NAD(P)H dehydrogenase (quinone) activity / synaptic transmission, cholinergic / Regulation of ornithine decarboxylase (ODC) / NFE2L2 regulating anti-oxidant/detoxification enzymes / negative regulation of ferroptosis / nitric oxide biosynthetic process / xenobiotic metabolic process / removal of superoxide radicals / cell redox homeostasis / protein catabolic process / negative regulation of protein catabolic process / response to toxic substance / protein polyubiquitination / response to oxidative stress / cellular response to oxidative stress / response to lipopolysaccharide / innate immune response / synapse / RNA binding / identical protein binding / nucleus / cytoplasm / cytosol
Similarity search - Function
: / Flavodoxin-like fold / Flavodoxin-like fold / Flavoprotein-like superfamily
Similarity search - Domain/homology
FLAVIN-ADENINE DINUCLEOTIDE / NICOTINAMIDE-ADENINE-DINUCLEOTIDE / NAD(P)H dehydrogenase [quinone] 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / FREE ELECTRON LASER / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsMartin-Garcia, J.M. / Grieco, A. / Botha, S. / Quereda-Moraleda, I.
Funding support Spain, 2items
OrganizationGrant numberCountry
Agencia Estatal de Investigacion (AEI)CNS2022-135713 Spain
Comunidad de Madrid2019-T1/BMD-15552 Spain
CitationJournal: To Be Published
Title: XFEL structure of hNQO1 mixed with NADH for 1.2 s
Authors: Martin-Garcia, J.M. / Grieco, A. / Botha, S. / Quereda-Moraleda, I.
History
DepositionApr 14, 2024Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 23, 2025Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: NAD(P)H dehydrogenase [quinone] 1
B: NAD(P)H dehydrogenase [quinone] 1
C: NAD(P)H dehydrogenase [quinone] 1
D: NAD(P)H dehydrogenase [quinone] 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)128,45510
Polymers123,9864
Non-polymers4,4696
Water7,855436
1
A: NAD(P)H dehydrogenase [quinone] 1
B: NAD(P)H dehydrogenase [quinone] 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)64,0505
Polymers61,8152
Non-polymers2,2353
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9270 Å2
ΔGint-63 kcal/mol
Surface area21610 Å2
MethodPISA
2
C: NAD(P)H dehydrogenase [quinone] 1
D: NAD(P)H dehydrogenase [quinone] 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)64,4055
Polymers62,1712
Non-polymers2,2353
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9260 Å2
ΔGint-62 kcal/mol
Surface area22220 Å2
MethodPISA
Unit cell
Length a, b, c (Å)61.500, 107.800, 198.100
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein NAD(P)H dehydrogenase [quinone] 1 / Azoreductase / DT-diaphorase / DTD / Menadione reductase / NAD(P)H:quinone oxidoreductase 1 / ...Azoreductase / DT-diaphorase / DTD / Menadione reductase / NAD(P)H:quinone oxidoreductase 1 / Phylloquinone reductase / Quinone reductase 1 / QR1


Mass: 30907.611 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: NQO1, DIA4, NMOR1 / Production host: Escherichia coli (E. coli)
References: UniProt: P15559, NAD(P)H dehydrogenase (quinone)
#2: Protein NAD(P)H dehydrogenase [quinone] 1 / Azoreductase / DT-diaphorase / DTD / Menadione reductase / NAD(P)H:quinone oxidoreductase 1 / ...Azoreductase / DT-diaphorase / DTD / Menadione reductase / NAD(P)H:quinone oxidoreductase 1 / Phylloquinone reductase / Quinone reductase 1 / QR1


Mass: 31263.002 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: NQO1, DIA4, NMOR1 / Production host: Escherichia coli (E. coli)
References: UniProt: P15559, NAD(P)H dehydrogenase (quinone)
#3: Chemical
ChemComp-FAD / FLAVIN-ADENINE DINUCLEOTIDE


Mass: 785.550 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C27H33N9O15P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: FAD*YM
#4: Chemical ChemComp-NAD / NICOTINAMIDE-ADENINE-DINUCLEOTIDE


Mass: 663.425 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H27N7O14P2 / Comment: NAD*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 436 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY
Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.58 Å3/Da / Density % sol: 52.34 %
Crystal growTemperature: 298 K / Method: batch mode / pH: 8.5
Details: 0.1 M Tris pH 8.5, 0.2 M sodium acetate, 25% polyethylene glycol (PEG) 3350

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Data collection

DiffractionMean temperature: 298 K / Serial crystal experiment: N
Diffraction sourceSource: FREE ELECTRON LASER / Site: European XFEL / Beamline: SPB/SFX / Wavelength: 1.7712 Å
DetectorType: AGIPD / Detector: PIXEL / Date: Dec 9, 2022
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.7712 Å / Relative weight: 1
ReflectionResolution: 2.5→26.47 Å / Num. obs: 43444 / % possible obs: 98.35 % / Redundancy: 115 % / CC star: 0.9786 / R split: 0.285 / Net I/σ(I): 2.8
Reflection shellResolution: 2.5→2.56 Å / Num. unique obs: 43444 / CC1/2: 0.5464

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Processing

Software
NameVersionClassification
REFMAC5.8.0430refinement
CrystFELdata reduction
CrystFELdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.5→26.47 Å / Cor.coef. Fo:Fc: 0.953 / Cor.coef. Fo:Fc free: 0.917 / SU B: 18.233 / SU ML: 0.341 / Cross valid method: THROUGHOUT / ESU R: 0.701 / ESU R Free: 0.302 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.25009 2326 5.1 %RANDOM
Rwork0.19181 ---
obs0.19467 43444 98.35 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 52.512 Å2
Baniso -1Baniso -2Baniso -3
1-0.08 Å20 Å20 Å2
2--0.05 Å20 Å2
3----0.13 Å2
Refinement stepCycle: 1 / Resolution: 2.5→26.47 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8972 0 44 436 9452
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0050.0129388
X-RAY DIFFRACTIONr_bond_other_d0.0010.0168771
X-RAY DIFFRACTIONr_angle_refined_deg1.3081.8212757
X-RAY DIFFRACTIONr_angle_other_deg0.4581.76220253
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.54851113
X-RAY DIFFRACTIONr_dihedral_angle_2_deg6.475539
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.649101569
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.060.21345
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0210867
X-RAY DIFFRACTIONr_gen_planes_other0.0010.022175
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it3.8855.1974434
X-RAY DIFFRACTIONr_mcbond_other3.8795.1984434
X-RAY DIFFRACTIONr_mcangle_it6.1329.3425553
X-RAY DIFFRACTIONr_mcangle_other6.1359.3435554
X-RAY DIFFRACTIONr_scbond_it4.855.8834954
X-RAY DIFFRACTIONr_scbond_other4.8495.8854955
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other8.05910.5967205
X-RAY DIFFRACTIONr_long_range_B_refined13.39153.1410613
X-RAY DIFFRACTIONr_long_range_B_other13.30452.2610566
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.5→2.564 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.409 164 -
Rwork0.446 2900 -
obs--89.75 %

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