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- PDB-6adx: Crystal structure of the Zika virus NS3 helicase (ADP-Mn2+ comple... -

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Basic information

Entry
Database: PDB / ID: 6adx
TitleCrystal structure of the Zika virus NS3 helicase (ADP-Mn2+ complex, form 1)
ComponentsSerine protease NS3
KeywordsHYDROLASE / Zika virus NS3 helicase / ADP-Mn2+ complex
Function / homology
Function and homology information


symbiont-mediated suppression of host interferon-mediated signaling pathway / flavivirin / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT1 activity / viral capsid / double-stranded RNA binding / nucleoside-triphosphate phosphatase / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / symbiont-mediated suppression of host toll-like receptor signaling pathway ...symbiont-mediated suppression of host interferon-mediated signaling pathway / flavivirin / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT2 activity / symbiont-mediated suppression of host JAK-STAT cascade via inhibition of STAT1 activity / viral capsid / double-stranded RNA binding / nucleoside-triphosphate phosphatase / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / symbiont-mediated suppression of host toll-like receptor signaling pathway / protein-macromolecule adaptor activity / mRNA (guanine-N7)-methyltransferase / methyltransferase cap1 / clathrin-dependent endocytosis of virus by host cell / methyltransferase cap1 activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / host cell cytoplasm / RNA helicase activity / protein dimerization activity / host cell perinuclear region of cytoplasm / host cell endoplasmic reticulum membrane / RNA helicase / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / symbiont-mediated activation of host autophagy / RNA-directed RNA polymerase / serine-type endopeptidase activity / viral RNA genome replication / RNA-directed RNA polymerase activity / fusion of virus membrane with host endosome membrane / lipid binding / viral envelope / GTP binding / virion attachment to host cell / host cell nucleus / virion membrane / structural molecule activity / ATP hydrolysis activity / proteolysis / extracellular region / ATP binding / metal ion binding / membrane
Similarity search - Function
Flavivirus non-structural protein NS2B / Flavivirus capsid protein C superfamily / Genome polyprotein, Flavivirus / : / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus non-structural protein NS4B / mRNA cap 0/1 methyltransferase / Flavivirus non-structural protein NS4B / Flavivirus non-structural protein NS4A ...Flavivirus non-structural protein NS2B / Flavivirus capsid protein C superfamily / Genome polyprotein, Flavivirus / : / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus non-structural protein NS4B / mRNA cap 0/1 methyltransferase / Flavivirus non-structural protein NS4B / Flavivirus non-structural protein NS4A / Flavivirus NS2B domain profile. / mRNA cap 0 and cap 1 methyltransferase (EC 2.1.1.56 and EC 2.1.1.57) domain profile. / Flavivirus non-structural protein NS2A / Flavivirus non-structural protein NS2A / Flavivirus NS3, petidase S7 / Peptidase S7, Flavivirus NS3 serine protease / Flavivirus NS3 protease (NS3pro) domain profile. / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / RNA-directed RNA polymerase, flavivirus / Flavivirus RNA-directed RNA polymerase, fingers and palm domains / Flavivirus capsid protein C / Flavivirus capsid protein C / Flavivirus non-structural Protein NS1 / Flavivirus non-structural protein NS1 / Envelope glycoprotein M, flavivirus / Envelope glycoprotein M superfamily, flavivirus / Flavivirus envelope glycoprotein M / Flavivirus polyprotein propeptide / Flavivirus polyprotein propeptide superfamily / Flavivirus polyprotein propeptide / Flavivirus envelope glycoprotein E, stem/anchor domain / : / Flavivirus NS3 helicase, C-terminal helical domain / Flavivirus envelope glycoprotein E, Stem/Anchor domain / Flavivirus envelope glycoprotein E, Stem/Anchor domain superfamily / Flavivirus glycoprotein E, immunoglobulin-like domain / Flavivirus glycoprotein, immunoglobulin-like domain / Flavivirus glycoprotein central and dimerisation domain / Flavivirus glycoprotein, central and dimerisation domains / Flaviviral glycoprotein E, central domain, subdomain 1 / Flaviviral glycoprotein E, central domain, subdomain 2 / Ribosomal RNA methyltransferase, FtsJ domain / FtsJ-like methyltransferase / Flavivirus/Alphavirus glycoprotein, immunoglobulin-like domain superfamily / Flavivirus glycoprotein, central and dimerisation domain superfamily / Flaviviral glycoprotein E, dimerisation domain / DEAD box, Flavivirus / Flavivirus DEAD domain / helicase superfamily c-terminal domain / Immunoglobulin E-set / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / P-loop containing nucleotide triphosphate hydrolases / RNA-directed RNA polymerase, catalytic domain / RdRp of positive ssRNA viruses catalytic domain profile. / S-adenosyl-L-methionine-dependent methyltransferase superfamily / Peptidase S1, PA clan / DNA/RNA polymerase superfamily / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / : / Genome polyprotein
Similarity search - Component
Biological speciesZika virus
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.752 Å
AuthorsFang, J. / Lu, G. / Gong, P.
Funding support China, 1items
OrganizationGrant numberCountry
Natural Science Foundation of Guangdong Province of China2016A030310249 China
CitationJournal: ACS Infect Dis / Year: 2019
Title: Crystallographic Snapshots of the Zika Virus NS3 Helicase Help Visualize the Reactant Water Replenishment.
Authors: Fang, J. / Jing, X. / Lu, G. / Xu, Y. / Gong, P.
History
DepositionAug 2, 2018Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 13, 2019Provider: repository / Type: Initial release
Revision 1.1Nov 22, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Serine protease NS3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)50,8953
Polymers50,4131
Non-polymers4822
Water5,981332
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area600 Å2
ΔGint-6 kcal/mol
Surface area18850 Å2
MethodPISA
Unit cell
Length a, b, c (Å)53.750, 68.658, 56.929
Angle α, β, γ (deg.)90.000, 92.500, 90.000
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Serine protease NS3


Mass: 50412.555 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Zika virus (strain Mr 766) / Strain: Mr 766 / Plasmid: pET26b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21-CodonPlus(DE3)-RIL
References: UniProt: Q32ZE1, flavivirin, nucleoside-triphosphate phosphatase, RNA helicase
#2: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: ADP, energy-carrying molecule*YM
#3: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mn / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 332 / Source method: isolated from a natural source / Formula: H2O

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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: 2.08 Å3/Da / Density % sol: 40.91 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 7.5 / Details: PEG3350, lithium sulfate

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL17U1 / Wavelength: 0.9792 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: May 14, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9792 Å / Relative weight: 1
ReflectionResolution: 1.75→50 Å / Num. obs: 41025 / % possible obs: 98.8 % / Redundancy: 3.5 % / Biso Wilson estimate: 18.74 Å2 / Rmerge(I) obs: 0.048 / Rpim(I) all: 0.031 / Rrim(I) all: 0.057 / Χ2: 0.941 / Net I/σ(I): 13.1
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2Rpim(I) allRrim(I) allΧ2% possible all
1.75-1.813.50.23140790.9420.1440.2730.78298.5
1.81-1.893.70.1840590.9620.1110.2120.88798.8
1.89-1.973.60.13840710.9760.0860.1630.93898.5
1.97-2.073.60.10540900.9840.0660.1240.98598.7
2.07-2.23.50.07940740.990.050.0940.99498.7
2.2-2.383.50.06341110.9930.040.0750.98199
2.38-2.613.50.05141070.9950.0330.0610.94799.3
2.61-2.993.50.04441650.9960.0280.0531.00299.6
2.99-3.773.30.04141330.9960.0270.051.14999.3
3.77-503.40.03241360.9970.020.0380.76397.4

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Processing

Software
NameVersionClassification
HKL-2000data scaling
PHENIX1.12_2829refinement
PDB_EXTRACT3.24data extraction
HKL-2000data reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2VBC

2vbc


Resolution: 1.752→29.39 Å / SU ML: 0.2 / Cross valid method: FREE R-VALUE / σ(F): 1.37 / Phase error: 20.86
RfactorNum. reflection% reflection
Rfree0.2106 2094 5.11 %
Rwork0.1788 --
obs0.1805 41011 98.47 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 60.2 Å2 / Biso mean: 21.2353 Å2 / Biso min: 6.67 Å2
Refinement stepCycle: final / Resolution: 1.752→29.39 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3307 0 28 332 3667
Biso mean--29.89 27.98 -
Num. residues----430
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0063442
X-RAY DIFFRACTIONf_angle_d0.8554688
X-RAY DIFFRACTIONf_chiral_restr0.057526
X-RAY DIFFRACTIONf_plane_restr0.006606
X-RAY DIFFRACTIONf_dihedral_angle_d10.3852824
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 15

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.752-1.79280.29171220.23732481260394
1.7928-1.83760.281660.20842535270199
1.8376-1.88730.23981480.19122580272899
1.8873-1.94280.23841240.18592604272899
1.9428-2.00550.21881260.1922570269699
2.0055-2.07710.22911120.18642643275599
2.0771-2.16030.22231380.18582575271399
2.1603-2.25860.2221340.17732608274299
2.2586-2.37760.20151530.18762605275899
2.3776-2.52650.23691410.18712605274699
2.5265-2.72140.24971270.187326492776100
2.7214-2.99510.2251130.193226512764100
2.9951-3.42790.18971680.18372607277599
3.4279-4.31660.1871670.15522593276099
4.3166-29.39440.17991550.1552611276697

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