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- PDB-3lkz: Structural and functional analyses of a conserved hydrophobic poc... -

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Basic information

Entry
Database: PDB / ID: 3lkz
TitleStructural and functional analyses of a conserved hydrophobic pocket of flavivirus methyltransferase
ComponentsNon-structural protein 5
KeywordsVIRAL PROTEIN / West Nile virus / flavivirus / methyltransferase / inhibitor / pocket / Nucleotide-binding / RNA replication
Function / homology
Function and homology information


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 / double-stranded RNA binding / nucleoside-triphosphate phosphatase / mRNA (guanine-N7)-methyltransferase / methyltransferase cap1 / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase 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 / double-stranded RNA binding / nucleoside-triphosphate phosphatase / mRNA (guanine-N7)-methyltransferase / methyltransferase cap1 / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / RNA helicase activity / host cell perinuclear region of cytoplasm / protein dimerization activity / host cell endoplasmic reticulum membrane / RNA helicase / symbiont-mediated suppression of host innate immune response / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / symbiont-mediated activation of host autophagy / symbiont entry into host cell / RNA-directed RNA polymerase / viral RNA genome replication / serine-type endopeptidase activity / RNA-dependent RNA polymerase activity / : / fusion of virus membrane with host endosome membrane / host cell nucleus / virion attachment to host cell / structural molecule activity / virion membrane / ATP hydrolysis activity / proteolysis / extracellular region / ATP binding / membrane / metal ion binding
Similarity search - Function
Flavivirus capsid protein C superfamily / Flavivirus non-structural protein NS2B / 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 capsid protein C superfamily / Flavivirus non-structural protein NS2B / 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. / 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 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 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 / : / Flavivirus NS3 helicase, C-terminal helical domain / 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 / Vaccinia Virus protein VP39 / 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 / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
SINEFUNGIN / Genome polyprotein
Similarity search - Component
Biological speciesWest Nile virus
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2 Å
AuthorsLiu, L.H. / Li, H.M.
CitationJournal: J.Biol.Chem. / Year: 2010
Title: Structural and functional analyses of a conserved hydrophobic pocket of flavivirus methyltransferase.
Authors: Dong, H. / Liu, L. / Zou, G. / Zhao, Y. / Li, Z. / Lim, S.P. / Shi, P.Y. / Li, H.
History
DepositionJan 28, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 4, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Sep 6, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Non-structural protein 5
B: Non-structural protein 5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)74,4336
Polymers73,4862
Non-polymers9474
Water9,098505
1
A: Non-structural protein 5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,2163
Polymers36,7431
Non-polymers4732
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Non-structural protein 5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,2163
Polymers36,7431
Non-polymers4732
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)39.363, 65.740, 77.119
Angle α, β, γ (deg.)112.01, 102.65, 90.19
Int Tables number1
Space group name H-MP1

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Components

#1: Protein Non-structural protein 5


Mass: 36742.816 Da / Num. of mol.: 2
Fragment: West Nile virus methyltransferase (UNP residues 2529-2828)
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) West Nile virus / Gene: Non-structural protein 5 / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: Q9Q6P4
#2: Chemical ChemComp-SFG / SINEFUNGIN / ADENOSYL-ORNITHINE


Mass: 381.387 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C15H23N7O5
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 505 / 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: 2.45 Å3/Da / Density % sol: 49.71 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5.6
Details: 13 TO 15% PEG4000, 5% ISOPROPANOL, 0.1M SODIUM CITRATE, PH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X4A / Wavelength: 1.0093 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Jun 15, 2004 / Details: mirrors
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.0093 Å / Relative weight: 1
ReflectionResolution: 2→38.88 Å / Num. all: 38704 / Num. obs: 38704 / % possible obs: 81.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 1.8 % / Biso Wilson estimate: 5.9 Å2 / Rmerge(I) obs: 0.104 / Rsym value: 0.104 / Net I/σ(I): 5.3
Reflection shellResolution: 2→2.1 Å / Redundancy: 1.5 % / Rmerge(I) obs: 0.333 / Mean I/σ(I) obs: 2.2 / Rsym value: 0.333 / % possible all: 37.6

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Processing

Software
NameClassification
HKL-2000data collection
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: 2OY0

2oy0


Resolution: 2→38.88 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 1236694.93 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.269 1961 5.1 %RANDOM
Rwork0.229 ---
obs0.229 38492 81.7 %-
all-38492 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 51.1534 Å2 / ksol: 0.372023 e/Å3
Displacement parametersBiso mean: 19.1 Å2
Baniso -1Baniso -2Baniso -3
1--1.15 Å2-0.65 Å2-3.09 Å2
2---0.51 Å22.29 Å2
3---1.67 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.33 Å0.27 Å
Luzzati d res low-5 Å
Luzzati sigma a0.39 Å0.32 Å
Refinement stepCycle: LAST / Resolution: 2→38.88 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4200 0 66 505 4771
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.2
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d23
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.82
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.191.5
X-RAY DIFFRACTIONc_mcangle_it1.82
X-RAY DIFFRACTIONc_scbond_it2.172
X-RAY DIFFRACTIONc_scangle_it3.212.5
LS refinement shellResolution: 2→2.13 Å / Rfactor Rfree error: 0.026 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.331 165 4.8 %
Rwork0.307 3281 -
obs--43.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater_rep.top
X-RAY DIFFRACTION3sfg_xplor_par.txtsfg_xplor_top.txt
X-RAY DIFFRACTION4gol_xplor_par.txtgol_xplor_top.txt

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