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- PDB-6ojz: PilT4 from Geobacter metallireducens bound to ADP with partial oc... -

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Basic information

Entry
Database: PDB / ID: 6ojz
TitlePilT4 from Geobacter metallireducens bound to ADP with partial occupancy: C3ocococ conformation
ComponentsTwitching motility pilus retraction ATPase
KeywordsMOTOR PROTEIN / T4P / ATPase / type IV pilus / motor
Function / homology
Function and homology information


ATP binding / metal ion binding
Similarity search - Function
Pilus retraction protein PilT/PilU / Beta-Lactamase - #90 / : / Bacterial type II secretion system protein E signature. / Type II/IV secretion system protein / Type II/IV secretion system protein / Beta-Lactamase / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase ...Pilus retraction protein PilT/PilU / Beta-Lactamase - #90 / : / Bacterial type II secretion system protein E signature. / Type II/IV secretion system protein / Type II/IV secretion system protein / Beta-Lactamase / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / Twitching motility pilus retraction ATPase
Similarity search - Component
Biological speciesGeobacter metallireducens (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.027 Å
AuthorsMcCallum, M. / Howell, P.L.
Funding support Canada, 1items
OrganizationGrant numberCountry
Canadian Institutes of Health Research (CIHR) Canada
CitationJournal: Nat Commun / Year: 2019
Title: Multiple conformations facilitate PilT function in the type IV pilus.
Authors: Matthew McCallum / Samir Benlekbir / Sheryl Nguyen / Stephanie Tammam / John L Rubinstein / Lori L Burrows / P Lynne Howell /
Abstract: Type IV pilus-like systems are protein complexes that polymerize pilin fibres. They are critical for virulence in many bacterial pathogens. Pilin polymerization and depolymerization are powered by ...Type IV pilus-like systems are protein complexes that polymerize pilin fibres. They are critical for virulence in many bacterial pathogens. Pilin polymerization and depolymerization are powered by motor ATPases of the PilT/VirB11-like family. This family is thought to operate with C symmetry; however, most of these ATPases crystallize with either C or C symmetric conformations. The relevance of these conformations is unclear. Here, we determine the X-ray structures of PilT in four unique conformations and use these structures to classify the conformation of available PilT/VirB11-like family member structures. Single particle electron cryomicroscopy (cryoEM) structures of PilT reveal condition-dependent preferences for C C, and C conformations. The physiologic importance of these conformations is validated by coevolution analysis and functional studies of point mutants, identifying a rare gain-of-function mutation that favours the C conformation. With these data, we propose a comprehensive model of PilT function with broad implications for PilT/VirB11-like family members.
History
DepositionApr 12, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 20, 2019Provider: repository / Type: Initial release
Revision 1.1Nov 27, 2019Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Jan 8, 2020Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.3Oct 11, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Twitching motility pilus retraction ATPase
B: Twitching motility pilus retraction ATPase
C: Twitching motility pilus retraction ATPase
D: Twitching motility pilus retraction ATPase
E: Twitching motility pilus retraction ATPase
F: Twitching motility pilus retraction ATPase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)259,86312
Polymers257,3006
Non-polymers2,5636
Water90150
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: microscopy, cryoEM evidence of hexamer
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area21840 Å2
ΔGint-36 kcal/mol
Surface area84250 Å2
MethodPISA
Unit cell
Length a, b, c (Å)112.335, 121.134, 187.112
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein
Twitching motility pilus retraction ATPase


Mass: 42883.379 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Geobacter metallireducens (strain GS-15 / ATCC 53774 / DSM 7210) (bacteria)
Strain: GS-15 / ATCC 53774 / DSM 7210 / Gene: pilT-4, Gmet_1394 / Plasmid: pET28a / Production host: Escherichia coli (E. coli) / References: UniProt: Q39VU6
#2: Chemical
ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 50 / 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: 2.47 Å3/Da / Density % sol: 50.28 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.1
Details: 5.75 % (w/v) PEG3350 100 mM L-proline 50 mM Hepes pH 7.1 100 mM NaCl 25 mM Hepes pH 8.0

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: NSLS-II / Beamline: 17-ID-2 / Wavelength: 1.2821 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jul 12, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.2821 Å / Relative weight: 1
ReflectionResolution: 3→30 Å / Num. obs: 49747 / % possible obs: 98 % / Redundancy: 12.5 % / Rpim(I) all: 0.047 / Net I/σ(I): 12
Reflection shellResolution: 3→3.1 Å / Num. unique obs: 4342 / Rpim(I) all: 0.243

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Processing

Software
NameVersionClassification
PHENIX(1.14_3260: ???)refinement
XDSdata reduction
XDSdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3JVV
Resolution: 3.027→29.894 Å / SU ML: 0.36 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 24.49 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2321 3800 4.03 %
Rwork0.1945 --
obs0.196 49622 98.19 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 3.027→29.894 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms16239 0 162 50 16451
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00816836
X-RAY DIFFRACTIONf_angle_d1.07722936
X-RAY DIFFRACTIONf_dihedral_angle_d16.28510281
X-RAY DIFFRACTIONf_chiral_restr0.0642709
X-RAY DIFFRACTIONf_plane_restr0.0082975
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
3.0271-3.06540.3782940.33111922X-RAY DIFFRACTION57
3.0654-3.10570.28291330.28463453X-RAY DIFFRACTION100
3.1057-3.14820.30671440.283375X-RAY DIFFRACTION100
3.1482-3.19310.31121270.27213481X-RAY DIFFRACTION100
3.1931-3.24070.27181330.25453378X-RAY DIFFRACTION100
3.2407-3.29130.26831900.2493385X-RAY DIFFRACTION100
3.2913-3.34520.25021080.24653419X-RAY DIFFRACTION100
3.3452-3.40280.32681360.25983465X-RAY DIFFRACTION100
3.4028-3.46460.35121700.27983355X-RAY DIFFRACTION99
3.4646-3.53110.28021330.26223427X-RAY DIFFRACTION100
3.5311-3.60310.27591470.24513392X-RAY DIFFRACTION100
3.6031-3.68130.29791350.24173433X-RAY DIFFRACTION100
3.6813-3.76680.24631370.22983413X-RAY DIFFRACTION100
3.7668-3.86080.26511640.23943282X-RAY DIFFRACTION97
3.8608-3.9650.2421320.22273372X-RAY DIFFRACTION99
3.965-4.08140.2281440.19073406X-RAY DIFFRACTION100
4.0814-4.21270.17081320.17123433X-RAY DIFFRACTION100
4.2127-4.36290.20931380.16513417X-RAY DIFFRACTION100
4.3629-4.5370.18961550.15153412X-RAY DIFFRACTION100
4.537-4.74270.20061360.14853396X-RAY DIFFRACTION100
4.7427-4.99170.19251410.14663412X-RAY DIFFRACTION100
4.9917-5.30280.20161490.16193427X-RAY DIFFRACTION100
5.3028-5.70960.17331380.18383410X-RAY DIFFRACTION100
5.7096-6.27940.26711510.1983406X-RAY DIFFRACTION100
6.2794-7.1770.22111410.19143430X-RAY DIFFRACTION100
7.177-9.00120.18631480.15413385X-RAY DIFFRACTION100
9.0012-29.89590.22161440.15433392X-RAY DIFFRACTION99
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)
12.50920.0702-0.16594.80990.87952.74410.1756-0.1629-0.03020.30660.0592-0.27110.05890.2812-0.25560.6922-0.0436-0.07450.5413-0.0330.6464.9656-7.3479-9.8642
22.85881.4294-1.19884.0837-0.23862.7319-0.0699-0.0791-0.03540.1036-0.03890.10460.1367-0.13930.11170.62670.0018-0.02380.5613-0.0490.543227.3758-24.2414-17.9456
33.6071-0.6955-0.66052.89080.2323.8896-0.51030.4491-1.1483-0.1315-0.06120.36690.5397-0.240.6030.5804-0.09090.17580.4764-0.07450.842520.9914-41.0101-20.7047
42.29391.68260.664.0841-0.98064.360.2113-0.2668-0.21050.6382-0.15290.36180.3645-0.1574-0.23430.9655-0.0340.20170.6565-0.02370.832912.8436-45.7473-4.7456
53.671-0.33130.74753.1156-0.25683.64160.08880.1870.2880.10290.0274-0.4048-0.57880.6375-0.1110.6937-0.12710.02470.5888-0.09120.550442.0419-7.5577-25.2064
63.52840.49140.21193.0581-1.57983.27020.05280.0004-0.32020.3133-0.1504-0.38360.09910.50750.12220.71060.1298-0.00230.90120.00120.586348.8258-20.4768-47.8457
75.0847-0.3217-1.18055.67910.53973.4992-0.50560.1903-0.91990.22620.16130.59210.6652-0.34160.28820.57430.0780.07870.6926-0.09860.687835.8496-30.2293-51.4033
85.4962-0.78893.21796.7528-4.5736.9597-0.279-0.1589-1.8495-0.3689-0.0733-0.14741.32741.49560.13381.0090.25540.34810.87870.16931.104947.095-44.2159-41.7949
91.9653-1.1851.02950.6797-0.65170.76240.9418-0.2291-0.63360.36220.33721.17190.276-0.5395-1.08271.34130.29270.19111.22460.47441.460842.5965-46.9254-32.5803
102.42470.4857-0.14383.48270.75084.22170.14730.40350.6302-0.3952-0.1394-0.2839-0.82680.04620.02760.85550.02360.09370.75330.09110.65147.6179-2.035-63.5257
113.8112-1.18690.78713.7658-0.62453.06160.0996-0.1291-0.35360.0959-0.0032-0.13670.25990.4513-0.06770.38240.00920.02050.584-0.03210.353635.1256-27.8185-79.3182
122.3834-0.00980.54953.95160.02133.15020.17180.17510.3371-0.1291-0.12490.137-0.1746-0.0783-0.04390.4463-0.01460.01990.60790.05480.548114.2913-4.9478-90.795
132.4541-1.7508-0.716.0068-0.54122.21560.0448-0.10640.116-0.1517-0.020.0253-0.1014-0.0333-0.02310.3555-0.0645-0.00990.4903-0.02470.4308-5.4944-23.1991-81.0822
142.12291.2167-0.32085.5563-0.44124.96140.1593-0.6833-0.04341.2116-0.0859-0.4048-0.17020.4426-0.10360.5165-0.034-0.05070.5413-0.01950.4805-0.9458-32.4058-68.1168
154.43531.12-3.24316.084-0.35864.2333-0.53080.0567-0.8121-0.44790.0291-0.81120.50320.25650.43650.4790.0174-0.00250.5450.01080.72114.8087-46.7534-81.2661
164.24460.2041-0.71265.01020.05535.2351-0.0201-0.33190.51320.1935-0.04280.4825-0.7267-0.56050.07020.53960.11930.020.5182-0.03990.6045-18.3346-5.7439-75.3741
171.541-0.43771.12684.51651.30364.6102-0.1452-0.05690.11510.2019-0.15780.2648-0.0404-0.78350.32130.4782-0.1126-0.01220.8121-0.06340.5757-26.7267-22.4737-52.1706
182.55950.11951.04193.8677-0.80364.40520.09830.1126-0.4795-0.24140.13430.29270.9533-0.6049-0.25050.6938-0.19760.08440.6868-0.0570.6005-28.3099-40.2338-63.0427
193.8134-0.0410.96993.61280.19683.9372-0.5544-0.89620.96810.3683-0.00810.2509-0.5513-0.95780.58830.73570.1612-0.1250.8039-0.2490.7153-25.1669-7.0045-34.8036
202.84280.74650.24824.11040.29863.11140.0078-0.0808-0.32940.0302-0.19680.00320.0938-0.3460.18510.6882-0.0306-0.0090.617-0.04980.6865-8.5831-22.8533-19.5421
213.6595-0.3462-0.93684.5490.50262.9908-0.03790.5552-0.7953-0.25730.1522-0.58360.43420.1091-0.11870.7052-0.0613-0.03560.5649-0.08910.8933-4.121-35.604-30.9886
227.80060.8721-0.33564.43310.46171.02090.24760.0208-1.0169-0.0298-0.1588-0.10210.6779-0.2899-0.09650.9617-0.15880.09260.7485-0.13050.9737-21.6576-47.169-30.5653
230.3077-0.158-0.15950.06120.13381.1954-0.17010.3691-0.442-1.2208-0.42460.28360.0472-0.00190.40861.31310.1108-0.07311.0116-0.11731.04027.9283-27.2151-86.5808
24-0.00480.0026-0.004-0.0034-0.00160.0030.11120.00290.26840.4632-0.10740.3980.0579-0.2357-0.09220.85070.2919-0.12710.8858-0.19351.1033-21.5894-26.1456-27.084
250.0014-0.0081-0.0056-0.00280.0038-0.0004-0.31010.22080.3204-0.16830.30790.8761-0.25240.01550.03540.84340.0978-0.01720.7464-0.0820.8632-28.4306-21.6343-67.4243
26-0.0037-0.0063-0.0003-0.0115-0.0070.00030.02590.08740.2347-0.56120.1948-0.5525-0.41130.1704-0.21350.9408-0.20870.17960.99390.02240.793944.7755-18.1607-76.7196
270.0068-0.0015-0.0017-0.00320.00290.00050.06040.0920.09550.27170.1716-0.16750.0020.0613-0.10711.49760.1520.0940.861-0.17350.793515.4696-24.9292-8.1483
280.55610.4920.35540.43780.30460.21220.21470.06150.29450.51460.7158-1.20330.28920.3174-0.61060.63610.07740.17911.2616-0.13471.02846.7802-24.7341-35.149
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1( CHAIN A AND RESID -1:100 )A-1 - 100
2X-RAY DIFFRACTION2( CHAIN A AND RESID 101:233 )A101 - 233
3X-RAY DIFFRACTION3( CHAIN A AND RESID 234:309 )A234 - 309
4X-RAY DIFFRACTION4( CHAIN A AND RESID 310:353 )A310 - 353
5X-RAY DIFFRACTION5( CHAIN B AND RESID 1:100 )B1 - 100
6X-RAY DIFFRACTION6( CHAIN B AND RESID 101:185 )B101 - 185
7X-RAY DIFFRACTION7( CHAIN B AND RESID 186:309 )B186 - 309
8X-RAY DIFFRACTION8( CHAIN B AND RESID 310:328 )B310 - 328
9X-RAY DIFFRACTION9( CHAIN B AND RESID 329:353 )B329 - 353
10X-RAY DIFFRACTION10( CHAIN C AND RESID 2:100 )C2 - 100
11X-RAY DIFFRACTION11( CHAIN C AND RESID 101:353 )C101 - 353
12X-RAY DIFFRACTION12( CHAIN D AND RESID -5:100 )D-5 - 100
13X-RAY DIFFRACTION13( CHAIN D AND RESID 101:202 )D101 - 202
14X-RAY DIFFRACTION14( CHAIN D AND RESID 203:271 )D203 - 271
15X-RAY DIFFRACTION15( CHAIN D AND RESID 272:355 )D272 - 355
16X-RAY DIFFRACTION16( CHAIN E AND RESID 1:100 )E1 - 100
17X-RAY DIFFRACTION17( CHAIN E AND RESID 101:233 )E101 - 233
18X-RAY DIFFRACTION18( CHAIN E AND RESID 234:353 )E234 - 353
19X-RAY DIFFRACTION19( CHAIN F AND RESID 1:100 )F1 - 100
20X-RAY DIFFRACTION20( CHAIN F AND RESID 101:202 )F101 - 202
21X-RAY DIFFRACTION21( CHAIN F AND RESID 203:307 )F203 - 307
22X-RAY DIFFRACTION22( CHAIN F AND RESID 308:353 )F308 - 353
23X-RAY DIFFRACTION23( CHAIN D AND RESID 401:401 )D401
24X-RAY DIFFRACTION24( CHAIN F AND RESID 401:401 )F401
25X-RAY DIFFRACTION25( CHAIN E AND RESID 401:401 )E401
26X-RAY DIFFRACTION26( CHAIN C AND RESID 401:401 )C401
27X-RAY DIFFRACTION27( CHAIN A AND RESID 401:401 )A401
28X-RAY DIFFRACTION28( CHAIN B AND RESID 401:401 )B401

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