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- PDB-7b6a: BK Polyomavirus VP1 pentamer core (residues 30-299) -

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Basic information

Entry
Database: PDB / ID: 7b6a
TitleBK Polyomavirus VP1 pentamer core (residues 30-299)
ComponentsMajor capsid protein VP1
KeywordsVIRAL PROTEIN / Polyomavirus / Capsid protein
Function / homology
Function and homology information


caveolin-mediated endocytosis of virus by host cell / T=7 icosahedral viral capsid / virion attachment to host cell / host cell nucleus / structural molecule activity
Similarity search - Function
Capsid protein VP1,Polyomavirus / Polyomavirus capsid protein VP1 superfamily / Polyomavirus coat protein / Double-stranded DNA virus, group I, capsid
Similarity search - Domain/homology
IODIDE ION / Major capsid protein VP1
Similarity search - Component
Biological speciesBK polyomavirus
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.44 Å
AuthorsOsipov, E.M. / Munawar, A. / Beelen, S. / Strelkov, S.V.
Funding support Belgium, 1items
OrganizationGrant numberCountry
Research Foundation - Flanders (FWO)G0A5718N Belgium
CitationJournal: Rsc Chem Biol / Year: 2022
Title: Discovery of novel druggable pockets on polyomavirus VP1 through crystallographic fragment-based screening to develop capsid assembly inhibitors.
Authors: Osipov, E.M. / Munawar, A.H. / Beelen, S. / Fearon, D. / Douangamath, A. / Wild, C. / Weeks, S.D. / Van Aerschot, A. / von Delft, F. / Strelkov, S.V.
History
DepositionDec 7, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jun 22, 2022Provider: repository / Type: Initial release
Revision 1.1Aug 31, 2022Group: Database references / Derived calculations / Category: atom_type / citation / citation_author
Item: _atom_type.pdbx_N_electrons / _atom_type.pdbx_scat_Z ..._atom_type.pdbx_N_electrons / _atom_type.pdbx_scat_Z / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Jan 31, 2024Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model / struct_ncs_dom_lim
Item: _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id ..._struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
AAA: Major capsid protein VP1
BBB: Major capsid protein VP1
CCC: Major capsid protein VP1
DDD: Major capsid protein VP1
EEE: Major capsid protein VP1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)152,13748
Polymers148,6025
Non-polymers3,53543
Water27,4371523
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area30030 Å2
ΔGint-275 kcal/mol
Surface area45740 Å2
MethodPISA
Unit cell
Length a, b, c (Å)138.622, 149.719, 65.488
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number18
Space group name H-MP21212
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11AAA
21BBB
32AAA
42CCC
53AAA
63DDD
74AAA
84EEE
95BBB
105CCC
116BBB
126DDD
137BBB
147EEE
158CCC
168DDD
179CCC
189EEE
1910DDD
2010EEE

NCS domain segments:
Dom-IDComponent-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
111VALVALASNASNAAAA32 - 2973 - 268
211VALVALASNASNBBBB32 - 2973 - 268
322GLUGLUASNASNAAAA33 - 2974 - 268
422GLUGLUASNASNCCCC33 - 2974 - 268
533VALVALLYSLYSAAAA32 - 2963 - 267
633VALVALLYSLYSDDDD32 - 2963 - 267
744VALVALASNASNAAAA32 - 2973 - 268
844VALVALASNASNEEEE32 - 2973 - 268
955GLUGLULYSLYSBBBB33 - 2964 - 267
1055GLUGLULYSLYSCCCC33 - 2964 - 267
1166VALVALLYSLYSBBBB32 - 2963 - 267
1266VALVALLYSLYSDDDD32 - 2963 - 267
1377VALVALASNASNBBBB32 - 2973 - 268
1477VALVALASNASNEEEE32 - 2973 - 268
1588GLUGLULYSLYSCCCC33 - 2964 - 267
1688GLUGLULYSLYSDDDD33 - 2964 - 267
1799GLUGLUASNASNCCCC33 - 2974 - 268
1899GLUGLUASNASNEEEE33 - 2974 - 268
191010VALVALVALVALDDDD32 - 2953 - 266
201010VALVALVALVALEEEE32 - 2953 - 266

NCS ensembles :
IDDetails
1Local NCS retraints between domains: 1 2
2Local NCS retraints between domains: 3 4
3Local NCS retraints between domains: 5 6
4Local NCS retraints between domains: 7 8
5Local NCS retraints between domains: 9 10
6Local NCS retraints between domains: 11 12
7Local NCS retraints between domains: 13 14
8Local NCS retraints between domains: 15 16
9Local NCS retraints between domains: 17 18
10Local NCS retraints between domains: 19 20

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Components

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Protein , 1 types, 5 molecules AAABBBCCCDDDEEE

#1: Protein
Major capsid protein VP1 / Major structural protein VP1


Mass: 29720.428 Da / Num. of mol.: 5
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) BK polyomavirus / Plasmid: pETSUK / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P03088

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Non-polymers , 5 types, 1566 molecules

#2: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 13 / Source method: obtained synthetically / Formula: Ca
#3: Chemical
ChemComp-DMS / DIMETHYL SULFOXIDE


Mass: 78.133 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C2H6OS / Comment: DMSO, precipitant*YM
#4: Chemical
ChemComp-IOD / IODIDE ION


Mass: 126.904 Da / Num. of mol.: 16 / Source method: obtained synthetically / Formula: I
#5: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1523 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN

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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: 2.29 Å3/Da / Density % sol: 46.21 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5.5 / Details: 10% PEG 3350, 0.2 M NaJ, 0.1 M bis-tris pH 5.5

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: F1 / Wavelength: 0.9768 Å
DetectorType: DECTRIS PILATUS 2M / Detector: PIXEL / Date: Apr 10, 2017
RadiationMonochromator: Si / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9768 Å / Relative weight: 1
ReflectionResolution: 1.44→50 Å / Num. obs: 245801 / % possible obs: 99.9 % / Redundancy: 13.2 % / Biso Wilson estimate: 18.5 Å2 / CC1/2: 0.999 / Rpim(I) all: 0.029 / Net I/σ(I): 16.4
Reflection shellResolution: 1.44→1.49 Å / Redundancy: 11.8 % / Mean I/σ(I) obs: 1.3 / Num. unique obs: 24335 / CC1/2: 0.62 / Rpim(I) all: 0.562 / % possible all: 99.8

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Processing

Software
NameVersionClassification
REFMAC5.8.0267refinement
XDSdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4mj0
Resolution: 1.44→50 Å / Cor.coef. Fo:Fc: 0.976 / Cor.coef. Fo:Fc free: 0.965 / SU B: 2.602 / SU ML: 0.048 / Cross valid method: FREE R-VALUE / ESU R: 0.058 / ESU R Free: 0.06
Details: Hydrogens have been added in their riding positions
RfactorNum. reflection% reflection
Rfree0.1858 4820 1.957 %
Rwork0.1621 241527 -
all0.163 --
obs-245801 99.97 %
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT
Displacement parametersBiso mean: 22.343 Å2
Baniso -1Baniso -2Baniso -3
1--0.144 Å2-0 Å2-0 Å2
2---0.339 Å20 Å2
3---0.484 Å2
Refinement stepCycle: LAST / Resolution: 1.44→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms10145 0 79 1523 11747
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0150.01310667
X-RAY DIFFRACTIONr_bond_other_d0.0030.0179963
X-RAY DIFFRACTIONr_angle_refined_deg1.8511.64814538
X-RAY DIFFRACTIONr_angle_other_deg1.5341.57723013
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.40951382
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.90522.967546
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.322151750
X-RAY DIFFRACTIONr_dihedral_angle_4_deg21.8721560
X-RAY DIFFRACTIONr_chiral_restr0.0910.21379
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0212291
X-RAY DIFFRACTIONr_gen_planes_other0.0040.022425
X-RAY DIFFRACTIONr_nbd_refined0.2230.22033
X-RAY DIFFRACTIONr_symmetry_nbd_other0.1920.210327
X-RAY DIFFRACTIONr_nbtor_refined0.1690.25170
X-RAY DIFFRACTIONr_symmetry_nbtor_other0.0840.25931
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.2080.21118
X-RAY DIFFRACTIONr_symmetry_xyhbond_nbd_other0.0760.26
X-RAY DIFFRACTIONr_metal_ion_refined0.160.240
X-RAY DIFFRACTIONr_symmetry_nbd_refined0.3710.252
X-RAY DIFFRACTIONr_nbd_other0.2760.2165
X-RAY DIFFRACTIONr_symmetry_xyhbond_nbd_refined0.2550.244
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined0.1680.26
X-RAY DIFFRACTIONr_mcbond_it1.3211.3955340
X-RAY DIFFRACTIONr_mcbond_other1.3211.3945339
X-RAY DIFFRACTIONr_mcangle_it2.2152.0836683
X-RAY DIFFRACTIONr_mcangle_other2.2142.0846684
X-RAY DIFFRACTIONr_scbond_it1.9881.65324
X-RAY DIFFRACTIONr_scbond_other1.9881.65325
X-RAY DIFFRACTIONr_scangle_it2.9962.3157819
X-RAY DIFFRACTIONr_scangle_other2.9962.3157820
X-RAY DIFFRACTIONr_lrange_it6.75418.91112185
X-RAY DIFFRACTIONr_lrange_other6.75418.91512186
X-RAY DIFFRACTIONr_ncsr_local_group_10.1030.057800
X-RAY DIFFRACTIONr_ncsr_local_group_20.0990.057924
X-RAY DIFFRACTIONr_ncsr_local_group_30.0990.058138
X-RAY DIFFRACTIONr_ncsr_local_group_40.120.057953
X-RAY DIFFRACTIONr_ncsr_local_group_50.0980.057726
X-RAY DIFFRACTIONr_ncsr_local_group_60.0980.057744
X-RAY DIFFRACTIONr_ncsr_local_group_70.0850.057802
X-RAY DIFFRACTIONr_ncsr_local_group_80.0980.057870
X-RAY DIFFRACTIONr_ncsr_local_group_90.1060.057781
X-RAY DIFFRACTIONr_ncsr_local_group_100.1120.057893
Refine LS restraints NCS
Ens-IDDom-IDAuth asym-IDRefine-IDTypeRms dev position (Å)Weight position
11AAAX-RAY DIFFRACTIONLocal ncs0.103480.05009
12BBBX-RAY DIFFRACTIONLocal ncs0.103480.05009
23AAAX-RAY DIFFRACTIONLocal ncs0.099470.05009
24CCCX-RAY DIFFRACTIONLocal ncs0.099470.05009
35AAAX-RAY DIFFRACTIONLocal ncs0.098920.05009
36DDDX-RAY DIFFRACTIONLocal ncs0.098920.05009
47AAAX-RAY DIFFRACTIONLocal ncs0.119590.05009
48EEEX-RAY DIFFRACTIONLocal ncs0.119590.05009
59BBBX-RAY DIFFRACTIONLocal ncs0.097540.05009
510CCCX-RAY DIFFRACTIONLocal ncs0.097540.05009
611BBBX-RAY DIFFRACTIONLocal ncs0.098410.05009
612DDDX-RAY DIFFRACTIONLocal ncs0.098410.05009
713BBBX-RAY DIFFRACTIONLocal ncs0.085470.05009
714EEEX-RAY DIFFRACTIONLocal ncs0.085470.05009
815CCCX-RAY DIFFRACTIONLocal ncs0.098270.05009
816DDDX-RAY DIFFRACTIONLocal ncs0.098270.05009
917CCCX-RAY DIFFRACTIONLocal ncs0.105760.05009
918EEEX-RAY DIFFRACTIONLocal ncs0.105760.05009
1019DDDX-RAY DIFFRACTIONLocal ncs0.112060.05009
1020EEEX-RAY DIFFRACTIONLocal ncs0.112060.05009
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.44-1.5170.3133340.29617286X-RAY DIFFRACTION99.9773
1.517-1.5610.2723510.2516799X-RAY DIFFRACTION100
1.561-1.6090.2413140.22716307X-RAY DIFFRACTION99.994
1.609-1.6610.2242930.20515818X-RAY DIFFRACTION99.9938
1.661-1.720.2122960.19115383X-RAY DIFFRACTION100
1.72-1.7850.1912930.17114774X-RAY DIFFRACTION100
1.785-1.8570.1712700.1614258X-RAY DIFFRACTION100
1.857-1.940.1682690.14913719X-RAY DIFFRACTION100
1.94-2.0350.1712600.14513066X-RAY DIFFRACTION99.9925
2.035-2.1450.1682630.13912489X-RAY DIFFRACTION100
2.145-2.2750.182460.14211797X-RAY DIFFRACTION100
2.275-2.4320.1752260.13911134X-RAY DIFFRACTION100
2.432-2.6260.1782230.15110368X-RAY DIFFRACTION99.9906
2.626-2.8770.1882040.169547X-RAY DIFFRACTION100
2.877-3.2160.1641760.1538679X-RAY DIFFRACTION100
3.216-3.7130.1641450.1337728X-RAY DIFFRACTION99.9873
3.713-4.5460.1441260.1226587X-RAY DIFFRACTION99.9851
4.546-6.4220.1981170.1615139X-RAY DIFFRACTION100
6.422-320.21720.212965X-RAY DIFFRACTION99.2808
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
10.3735-0.06420.08690.28010.02810.2704-0.01490.04860.07050.0166-0.00940.0581-0.03690.0110.02440.00850.00570.00260.03830.02540.131164.7038193.343217.4987
20.4455-0.0776-0.05260.358-0.02630.3328-0.00060.06480.15420.01630.021-0.0849-0.00860.0123-0.02040.0016-0.003-0.00020.04240.02360.1647194.1397193.051918.3966
30.49810.10960.05440.4677-0.00540.2498-0.0190.0796-0.0031-0.030.0254-0.11450.03080.0337-0.00630.00730.00420.00690.0395-0.00880.1237202.3044165.996714.7668
40.2564-0.0613-0.02310.49510.03780.3208-0.00330.0413-0.0728-0.02930.01530.00580.0144-0.0221-0.0120.0028-0.0033-0.00220.029-0.01290.1165178.9347148.93613.0402
50.2981-0.1298-0.03810.5630.05520.33530.02050.0609-0.0732-0.003-0.02520.1818-0.0159-0.05680.00470.00250.0094-0.00610.05990.00030.1728155.1907166.325215.3401
Refinement TLS group
IDRefine-IDRefine TLS-IDSelectionAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1ALLAAA32 - 297
2X-RAY DIFFRACTION2ALLBBB30 - 297
3X-RAY DIFFRACTION3ALLCCC33 - 299
4X-RAY DIFFRACTION4ALLDDD32 - 296
5X-RAY DIFFRACTION5ALLEEE32 - 297

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