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- PDB-8aqa: Crystal Structure of Unlinked NS2B-NS3 Protease from Zika Virus i... -

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Basic information

Entry
Database: PDB / ID: 8aqa
TitleCrystal Structure of Unlinked NS2B-NS3 Protease from Zika Virus in Complex with Inhibitor MI-2260
Components
  • (1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl 2,6-diamino-2,6-dideoxy-alpha-D-glucopyranoside
  • Serine protease NS3
  • Serine protease subunit NS2B
KeywordsVIRAL PROTEIN / FLAVIVIRIN / SERINE PROTEASE / NS2B-NS3 / ZIKA VIRUS
Function / homology
Function and homology information


symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / flavivirin / 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 / nucleoside-triphosphate phosphatase / double-stranded RNA binding / 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 / mRNA (guanine-N7)-methyltransferase ...symbiont-mediated suppression of host JAK-STAT cascade via inhibition of host TYK2 activity / flavivirin / 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 / nucleoside-triphosphate phosphatase / double-stranded RNA binding / 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 / mRNA (guanine-N7)-methyltransferase / methyltransferase cap1 / clathrin-dependent endocytosis of virus by host cell / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / RNA helicase activity / host cell endoplasmic reticulum membrane / host cell perinuclear region of cytoplasm / protein dimerization activity / RNA helicase / induction by virus of host autophagy / RNA-directed RNA polymerase / viral RNA genome replication / RNA-dependent RNA polymerase activity / serine-type endopeptidase activity / fusion of virus membrane with host endosome membrane / viral envelope / lipid binding / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / host cell nucleus / virion attachment to host cell / GTP binding / virion membrane / structural molecule activity / ATP hydrolysis activity / proteolysis / extracellular region / ATP binding / membrane / metal ion binding
Similarity search - Function
: / Flavivirus envelope glycoprotein E, stem/anchor domain / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / Flavivirus capsid protein C superfamily / : / Flavivirus non-structural protein NS2B / Flavivirus NS3 helicase, C-terminal helical domain / Genome polyprotein, Flavivirus / Flavivirus non-structural protein NS4A ...: / Flavivirus envelope glycoprotein E, stem/anchor domain / RNA-directed RNA polymerase, thumb domain, Flavivirus / Flavivirus RNA-directed RNA polymerase, thumb domain / Flavivirus capsid protein C superfamily / : / Flavivirus non-structural protein NS2B / Flavivirus NS3 helicase, C-terminal helical domain / Genome polyprotein, Flavivirus / Flavivirus non-structural protein NS4A / Flavivirus non-structural protein NS2B / Flavivirus capsid protein C / Flavivirus non-structural protein NS4B / mRNA cap 0/1 methyltransferase / Flavivirus capsid protein C / 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. / Envelope glycoprotein M, flavivirus / Flavivirus envelope glycoprotein M / RNA-directed RNA polymerase, flavivirus / Flavivirus RNA-directed RNA polymerase, fingers and palm domains / Flavivirus non-structural Protein NS1 / Flavivirus non-structural protein NS1 / Envelope glycoprotein M superfamily, flavivirus / Flavivirus polyprotein propeptide / Flavivirus polyprotein propeptide superfamily / Flavivirus polyprotein propeptide / Flaviviral glycoprotein E, central domain, subdomain 1 / Flaviviral glycoprotein E, central domain, subdomain 2 / Flavivirus envelope glycoprotein E, Stem/Anchor domain / Flavivirus glycoprotein E, immunoglobulin-like domain / Flavivirus envelope glycoprotein E, Stem/Anchor domain superfamily / Flavivirus glycoprotein, immunoglobulin-like domain / Flavivirus glycoprotein central and dimerisation domain / Flavivirus glycoprotein, central and dimerisation domains / 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 / 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 / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Biological speciesZika virus
synthetic construct (others)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.35 Å
AuthorsHuber, S. / Steinmetzer, T.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Crystal Structure of Unlinked NS2B-NS3 Protease from Zika Virus in Complex with Inhibitor MI-2260
Authors: Huber, S. / Braun, N. / Steinmetzer, T.
History
DepositionAug 11, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 21, 2022Provider: repository / Type: Initial release
Revision 2.0Nov 15, 2023Group: Atomic model / Data collection / Derived calculations
Category: atom_site / atom_site_anisotrop ...atom_site / atom_site_anisotrop / chem_comp_atom / chem_comp_bond / struct_conn
Item: _atom_site.auth_atom_id / _atom_site.label_atom_id ..._atom_site.auth_atom_id / _atom_site.label_atom_id / _atom_site_anisotrop.pdbx_auth_atom_id / _atom_site_anisotrop.pdbx_label_atom_id / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr2_label_atom_id
Revision 2.1Jan 31, 2024Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Serine protease subunit NS2B
B: Serine protease NS3
C: (1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl 2,6-diamino-2,6-dideoxy-alpha-D-glucopyranoside


Theoretical massNumber of molelcules
Total (without water)25,5543
Polymers25,5543
Non-polymers00
Water4,270237
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4790 Å2
ΔGint-26 kcal/mol
Surface area9290 Å2
MethodPISA
Unit cell
Length a, b, c (Å)48.458, 60.598, 83.052
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Space group name HallP2ac2ab
Symmetry operation#1: x,y,z
#2: x+1/2,-y+1/2,-z
#3: -x,y+1/2,-z+1/2
#4: -x+1/2,-y,z+1/2

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Components

#1: Protein Serine protease subunit NS2B / / Flavivirin protease NS2B regulatory subunit / Non-structural protein 2B


Mass: 5865.384 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Zika virus / Plasmid: bZiPro / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q32ZE1
#2: Protein Serine protease NS3 / Flavivirin protease NS3 catalytic subunit / Non-structural protein 3


Mass: 19037.592 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Zika virus / Plasmid: bZiPro / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: Q32ZE1, flavivirin, nucleoside-triphosphate phosphatase, RNA helicase
#3: Protein/peptide (1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl 2,6-diamino-2,6-dideoxy-alpha-D-glucopyranoside


Mass: 650.790 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 237 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.9 Å3/Da / Density % sol: 57.63 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 4.6
Details: 0.1 M sodium acetate pH 4.6 0.2 M ammonium sulfate 16% PEG 2000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.9184 Å
DetectorType: DECTRIS PILATUS3 S 2M / Detector: PIXEL / Date: Oct 17, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9184 Å / Relative weight: 1
ReflectionResolution: 1.35→41.855 Å / Num. obs: 53636 / % possible obs: 98.1 % / Redundancy: 7.26 % / Biso Wilson estimate: 19.21 Å2 / CC1/2: 0.998 / Rmerge(I) obs: 0.054 / Net I/σ(I): 17.67
Reflection shellResolution: 1.35→1.43 Å / Redundancy: 7.51 % / Rmerge(I) obs: 0.383 / Mean I/σ(I) obs: 3.14 / Num. unique obs: 8354 / CC1/2: 0.947 / % possible all: 95.8

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Processing

Software
NameVersionClassification
PHENIX1.20_4459refinement
XDSdata reduction
XDSdata scaling
PHASERphasing
Cootmodel building
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5GPI

5gpi


Resolution: 1.35→37.85 Å / SU ML: 0.1456 / Cross valid method: FREE R-VALUE / σ(F): 1.4 / Phase error: 13.9033
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.1649 2682 5 %
Rwork0.1418 50951 -
obs0.143 53633 98.09 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 25.52 Å2
Refinement stepCycle: LAST / Resolution: 1.35→37.85 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1434 0 45 237 1716
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00661530
X-RAY DIFFRACTIONf_angle_d1.00392082
X-RAY DIFFRACTIONf_chiral_restr0.0857230
X-RAY DIFFRACTIONf_plane_restr0.007279
X-RAY DIFFRACTIONf_dihedral_angle_d11.0614561
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.35-1.370.30141320.23592512X-RAY DIFFRACTION92.58
1.37-1.40.21931370.19082608X-RAY DIFFRACTION97.69
1.4-1.430.21471390.16332627X-RAY DIFFRACTION96.85
1.43-1.460.18881390.14082643X-RAY DIFFRACTION97.96
1.46-1.490.15451380.11992637X-RAY DIFFRACTION98.23
1.49-1.530.13521390.11632634X-RAY DIFFRACTION97.5
1.53-1.570.141370.10932606X-RAY DIFFRACTION96.58
1.57-1.620.13761410.11462671X-RAY DIFFRACTION98.08
1.62-1.670.1711400.12242660X-RAY DIFFRACTION98.42
1.67-1.730.1631410.13272687X-RAY DIFFRACTION98.19
1.73-1.80.16761410.12722677X-RAY DIFFRACTION98.81
1.8-1.880.15421420.12412693X-RAY DIFFRACTION99.13
1.88-1.980.14741400.12432667X-RAY DIFFRACTION97.98
1.98-2.10.12831440.13042726X-RAY DIFFRACTION99.17
2.1-2.270.16211430.13062723X-RAY DIFFRACTION99.55
2.27-2.490.15181440.14292730X-RAY DIFFRACTION99.52
2.49-2.850.17821440.15062739X-RAY DIFFRACTION97.99
2.85-3.60.17191470.14872793X-RAY DIFFRACTION99.97
3.6-37.850.16991540.15142918X-RAY DIFFRACTION99.22

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