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- PDB-2pxc: Crystal structure of the Murray Valley Encephalitis Virus NS5 2'-... -

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Basic information

Entry
Database: PDB / ID: 2pxc
TitleCrystal structure of the Murray Valley Encephalitis Virus NS5 2'-O Methyltransferase domain in complex with SAM and GTPA
ComponentsGenome polyprotein [Contains: Capsid protein C (Core protein); Envelope protein M (Matrix protein); Major envelope protein E; Non-structural protein 1 (NS1); Non-structural protein 2A (NS2A); Flavivirin protease NS2B regulatory subunit; Flavivirin protease NS3 catalytic subunit; Non-structural protein 4A (NS4A); Non-structural protein 4B (NS4B); RNA-directed RNA polymerase (EC 2.7.7.48) (NS5)]
KeywordsTRANSFERASE / Murray Valley Encephalitis Virus / Methyltransferase / SAM / GTPA / G3A / Structural Genomics / Oxford Protein Production Facility / OPPF
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 / clathrin-dependent endocytosis of virus by host cell / methyltransferase cap1 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 / clathrin-dependent endocytosis of virus by host cell / methyltransferase cap1 activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / host cell perinuclear region of cytoplasm / protein dimerization activity / RNA helicase activity / host cell endoplasmic reticulum membrane / RNA helicase / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / symbiont-mediated suppression of host innate immune response / symbiont-mediated activation of host autophagy / RNA-directed RNA polymerase / chromatin extrusion motor activity / ATP-dependent H2AZ histone chaperone activity / ATP-dependent H3-H4 histone complex chaperone activity / cohesin loader activity / viral RNA genome replication / serine-type endopeptidase activity / DNA clamp loader activity / RNA-directed RNA polymerase activity / fusion of virus membrane with host endosome membrane / : / viral envelope / host cell nucleus / virion attachment to host cell / virion membrane / structural molecule activity / ATP hydrolysis activity / proteolysis / extracellular region / ATP binding / membrane / metal ion binding
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 / 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 / P-loop containing nucleoside triphosphate hydrolase / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE / S-ADENOSYLMETHIONINE / Genome polyprotein
Similarity search - Component
Biological speciesMurray valley encephalitis virus
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.8 Å
AuthorsAssenberg, R. / Ren, J. / Verma, A. / Walter, T.S. / Alderton, D. / Hurrelbrink, R.J. / Fuller, S.D. / Owens, R.J. / Stuart, D.I. / Grimes, J.M. / Oxford Protein Production Facility (OPPF)
CitationJournal: J.Gen.Virol. / Year: 2007
Title: Crystal structure of the Murray Valley encephalitis virus NS5 methyltransferase domain in complex with cap analogues.
Authors: Assenberg, R. / Ren, J. / Verma, A. / Walter, T.S. / Alderton, D. / Hurrelbrink, R.J. / Fuller, S.D. / Bressanelli, S. / Owens, R.J. / Stuart, D.I. / Grimes, J.M.
History
DepositionMay 14, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 29, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.3Aug 30, 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_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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: Genome polyprotein [Contains: Capsid protein C (Core protein); Envelope protein M (Matrix protein); Major envelope protein E; Non-structural protein 1 (NS1); Non-structural protein 2A (NS2A); Flavivirin protease NS2B regulatory subunit; Flavivirin protease NS3 catalytic subunit; Non-structural protein 4A (NS4A); Non-structural protein 4B (NS4B); RNA-directed RNA polymerase (EC 2.7.7.48) (NS5)]
hetero molecules


Theoretical massNumber of molelcules
Total (without water)32,2504
Polymers30,3071
Non-polymers1,9433
Water43224
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)81.021, 81.021, 94.011
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212

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Components

#1: Protein Genome polyprotein [Contains: Capsid protein C (Core protein); Envelope protein M (Matrix protein); Major envelope protein E; Non-structural protein 1 (NS1); Non-structural protein 2A (NS2A); Flavivirin protease NS2B regulatory subunit; Flavivirin protease NS3 catalytic subunit; Non-structural protein 4A (NS4A); Non-structural protein 4B (NS4B); RNA-directed RNA polymerase (EC 2.7.7.48) (NS5)]


Mass: 30306.852 Da / Num. of mol.: 1
Fragment: NS5 2'-O Methyltransferase Domain: Residues 2530-2798
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Murray valley encephalitis virus (strain MVE-1-51)
Genus: Flavivirus / Species: Murray Valley encephalitis virus / Strain: MVE-1-51, MVEV / Gene: NS5 / Plasmid: OPPF2936 / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta(DE3)pLysS / References: UniProt: P05769, RNA-directed RNA polymerase
#2: Chemical ChemComp-SAM / S-ADENOSYLMETHIONINE


Mass: 398.437 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H22N6O5S
#3: Chemical ChemComp-G3A / GUANOSINE-P3-ADENOSINE-5',5'-TRIPHOSPHATE


Mass: 772.406 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C20H27N10O17P3
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 24 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.54 Å3/Da / Density % sol: 51.66 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6.5
Details: 12 % w/v PEG 20000, 0.1 M MES pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 0.9793 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: May 13, 2006
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9793 Å / Relative weight: 1
ReflectionResolution: 2.8→30 Å / Num. obs: 8177 / % possible obs: 100 % / Observed criterion σ(I): -1.5 / Redundancy: 12.8 % / Rmerge(I) obs: 0.141 / Net I/σ(I): 23.2
Reflection shellResolution: 2.8→2.9 Å / Redundancy: 13.1 % / Rmerge(I) obs: 0.695 / Mean I/σ(I) obs: 2.6 / Num. unique all: 789 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.2.0019refinement
ADSCQuantumdata collection
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 2PX2

2px2


Resolution: 2.8→30 Å / Cor.coef. Fo:Fc: 0.948 / Cor.coef. Fo:Fc free: 0.918 / SU B: 30.527 / SU ML: 0.321 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R Free: 0.393 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. CNS program has also been used in refinement
RfactorNum. reflection% reflectionSelection details
Rfree0.25634 411 5 %RANDOM
Rwork0.20263 ---
obs0.20547 7732 99.99 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 42.987 Å2
Baniso -1Baniso -2Baniso -3
1--0.68 Å20 Å20 Å2
2---0.68 Å20 Å2
3---1.36 Å2
Refinement stepCycle: LAST / Resolution: 2.8→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2086 0 127 24 2237
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0070.0222268
X-RAY DIFFRACTIONr_bond_other_d0.0010.021594
X-RAY DIFFRACTIONr_angle_refined_deg1.2532.0323076
X-RAY DIFFRACTIONr_angle_other_deg0.7633848
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.4075262
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.01722.70896
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.07415396
X-RAY DIFFRACTIONr_dihedral_angle_4_deg15.2221522
X-RAY DIFFRACTIONr_chiral_restr0.0580.2317
X-RAY DIFFRACTIONr_gen_planes_refined0.0030.022426
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02464
X-RAY DIFFRACTIONr_nbd_refined0.20.2486
X-RAY DIFFRACTIONr_nbd_other0.1860.21658
X-RAY DIFFRACTIONr_nbtor_refined0.180.21081
X-RAY DIFFRACTIONr_nbtor_other0.0840.21199
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.150.258
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1140.28
X-RAY DIFFRACTIONr_symmetry_vdw_other0.2320.241
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2580.22
X-RAY DIFFRACTIONr_mcbond_it3.2941693
X-RAY DIFFRACTIONr_mcbond_other0.8154544
X-RAY DIFFRACTIONr_mcangle_it4.26962088
X-RAY DIFFRACTIONr_scbond_it5.45461205
X-RAY DIFFRACTIONr_scangle_it7.58910988
LS refinement shellResolution: 2.8→2.872 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.388 31 -
Rwork0.306 547 -
obs--100 %
Refinement TLS params.Method: refined / Origin x: -20.884 Å / Origin y: 22.017 Å / Origin z: -5.067 Å
111213212223313233
T0.1031 Å2-0.0033 Å2-0.028 Å2--0.1255 Å2-0.0397 Å2--0.0044 Å2
L2.3053 °20.2327 °2-0.935 °2-1.5558 °2-0.2166 °2--3.9238 °2
S-0.1891 Å °0.0247 Å °0.0173 Å °0.1493 Å °0.046 Å °0.0178 Å °0.4418 Å °-0.05 Å °0.1431 Å °

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