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- PDB-5wdn: Crystal structure of the influenza virus PA endonuclease in compl... -

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Basic information

Entry
Database: PDB / ID: 5wdn
TitleCrystal structure of the influenza virus PA endonuclease in complex with inhibitor 6d (SRI-29680)
ComponentsPolymerase acidic protein
KeywordsHYDROLASE/HYDROLASE INHIBITOR / Virus / Nuclease / Transcription / Cap-snatching / HYDROLASE / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


cap snatching / symbiont-mediated suppression of host mRNA transcription via inhibition of RNA polymerase II activity / endonuclease activity / Hydrolases; Acting on ester bonds / host cell cytoplasm / viral translational frameshifting / viral RNA genome replication / symbiont-mediated suppression of host gene expression / DNA-templated transcription / host cell nucleus ...cap snatching / symbiont-mediated suppression of host mRNA transcription via inhibition of RNA polymerase II activity / endonuclease activity / Hydrolases; Acting on ester bonds / host cell cytoplasm / viral translational frameshifting / viral RNA genome replication / symbiont-mediated suppression of host gene expression / DNA-templated transcription / host cell nucleus / RNA binding / metal ion binding
Similarity search - Function
Influenza RNA-dependent RNA polymerase subunit PA, endonuclease domain / Restriction Endonuclease / Polymerase acidic protein / Influenza RNA-dependent RNA polymerase subunit PA / Influenza RNA-dependent RNA polymerase subunit PA, endonuclease domain / Influenza RNA-dependent RNA polymerase subunit PA / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-G1K / : / Polymerase acidic protein
Similarity search - Component
Biological speciesInfluenza A virus
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsKumar, G. / White, S.W.
Funding support United States, 3items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R01AI098757 United States
St. Jude Children's Research Hospital (ALSAC) United States
St. Jude Children's Research Hospital (ALSAC) United States
CitationJournal: Sci Rep / Year: 2017
Title: Protein-Structure Assisted Optimization of 4,5-Dihydroxypyrimidine-6-Carboxamide Inhibitors of Influenza Virus Endonuclease.
Authors: Beylkin, D. / Kumar, G. / Zhou, W. / Park, J. / Jeevan, T. / Lagisetti, C. / Harfoot, R. / Webby, R.J. / White, S.W. / Webb, T.R.
History
DepositionJul 5, 2017Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 3, 2018Provider: repository / Type: Initial release
Revision 1.1Dec 11, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.2Mar 13, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Polymerase acidic protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,4394
Polymers21,9701
Non-polymers4693
Water66737
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration, Protein elutes as a monomer
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area150 Å2
ΔGint-7 kcal/mol
Surface area9450 Å2
MethodPISA
Unit cell
Length a, b, c (Å)60.168, 60.168, 94.443
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein Polymerase acidic protein


Mass: 21970.160 Da / Num. of mol.: 1
Mutation: Loop 51-72 replaced with a GGS linker, C-Terminal has residual His-tag residues
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Influenza A virus / Strain: swl A/California/04/2009 H1N1 / Gene: PA / Plasmid: pET52b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: C3W5S0
#2: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mn
#3: Chemical ChemComp-G1K / 5-hydroxy-6-oxo-2-[(2S)-1-(phenoxyacetyl)pyrrolidin-2-yl]-1,6-dihydropyrimidine-4-carboxylic acid / SRI-29680


Mass: 359.333 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C17H17N3O6 / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 37 / 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: 2.25 Å3/Da / Density % sol: 45.24 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7 / Details: 0.8 M Succinic Acid pH 7.0, 2 mM MnCl2, 2 mM MgCl2

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-BM / Wavelength: 1 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Nov 26, 2013
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.1→50 Å / Num. obs: 12016 / % possible obs: 99.7 % / Redundancy: 10.7 % / Biso Wilson estimate: 46.27 Å2 / Rmerge(I) obs: 0.078 / Rpim(I) all: 0.025 / Rrim(I) all: 0.082 / Χ2: 1.391 / Net I/σ(I): 15.1 / Num. measured all: 129170
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsCC1/2Rpim(I) allRrim(I) allΧ2% possible all
2.1-2.1810.70.6790.9350.2160.7131.09100
2.18-2.26110.480.9730.1520.5041.136100
2.26-2.3710.90.3340.9820.1060.3511.218100
2.37-2.4910.90.2520.9880.0790.2641.3100
2.49-2.6510.90.1740.9940.0550.1831.463100
2.65-2.8510.90.1320.9970.0420.1391.517100
2.85-3.1410.90.0970.9970.0310.1021.508100
3.14-3.5910.80.0790.9970.0250.0831.559100
3.59-4.5210.70.0730.9970.0230.0771.539100
4.52-509.80.0550.9980.0190.0581.57297.6

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Processing

Software
NameVersionClassification
HKL-2000data scaling
PHENIXrefinement
PDB_EXTRACT3.22data extraction
HKL-2000data reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.1→34.991 Å / SU ML: 0.23 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 29.25
RfactorNum. reflection% reflection
Rfree0.2321 635 5.3 %
Rwork0.2168 --
obs0.2176 11977 99.68 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 157.66 Å2 / Biso mean: 67.3627 Å2 / Biso min: 38.12 Å2
Refinement stepCycle: final / Resolution: 2.1→34.991 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1434 0 28 37 1499
Biso mean--65.62 60.43 -
Num. residues----176
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0021492
X-RAY DIFFRACTIONf_angle_d0.5042010
X-RAY DIFFRACTIONf_chiral_restr0.037213
X-RAY DIFFRACTIONf_plane_restr0.002259
X-RAY DIFFRACTIONf_dihedral_angle_d6.677907
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 5

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.1-2.26210.31761130.275522292342100
2.2621-2.48970.2731240.265322442368100
2.4897-2.84990.28881300.265722402370100
2.8499-3.590.26781470.235222572404100
3.59-34.99550.18881210.18642372249399
Refinement TLS params.Method: refined / Origin x: -21.9901 Å / Origin y: 16.6764 Å / Origin z: 0.6972 Å
111213212223313233
T0.594 Å2-0.2178 Å2-0.0343 Å2-0.3955 Å20.049 Å2--0.3578 Å2
L2.592 °2-1.2389 °20.4503 °2-4.9569 °2-1.6444 °2--4.0627 °2
S-0.0805 Å °-0.1725 Å °-0.0555 Å °-0.1092 Å °0.24 Å °0.1486 Å °-0.1944 Å °-0.2849 Å °-0.1452 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1allA1 - 195
2X-RAY DIFFRACTION1allB201 - 202
3X-RAY DIFFRACTION1allC1 - 37
4X-RAY DIFFRACTION1allD1

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