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- PDB-5cw7: Crystal structure of the PaaA2-ParE2 antitoxin-toxin complex -

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Basic information

Entry
Database: PDB / ID: 5cw7
TitleCrystal structure of the PaaA2-ParE2 antitoxin-toxin complex
Components
  • PAAA2
  • Plasmid stabilization protein ParE
KeywordsTOXIN / toxin-antitoxin
Function / homology
Function and homology information


molecular adaptor activity
Similarity search - Function
: / Stability determinant / ParE toxin of type II toxin-antitoxin system, parDE / RelE-like / Toxin-antitoxin system, RelE/ParE toxin family / YaeB-like fold / Toxin-antitoxin system, RelE/ParE toxin domain superfamily / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
Plasmid stabilization protein ParE / : / Type II toxin-antitoxin system RelE/ParE family toxin / Stability determinant domain-containing protein
Similarity search - Component
Biological speciesEscherichia coli O157 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 2.827 Å
AuthorsSterckx, Y.G.-J. / Loris, R.
Funding support Belgium, 1items
OrganizationGrant numberCountry
FWO Belgium
CitationJournal: J Mol Biol / Year: 2016
Title: A unique hetero-hexadecameric architecture displayed by the Escherichia coli O157 PaaA2-ParE2 antitoxin-toxin complex.
Authors: Yann G-J Sterckx / Thomas Jové / Alexander V Shkumatov / Abel Garcia-Pino / Lieselotte Geerts / Maia De Kerpel / Jurij Lah / Henri De Greve / Laurence Van Melderen / Remy Loris /
Abstract: Many bacterial pathogens modulate their metabolic activity, virulence and pathogenicity through so-called "toxin-antitoxin" (TA) modules. The genome of the human pathogen Escherichia coli O157 ...Many bacterial pathogens modulate their metabolic activity, virulence and pathogenicity through so-called "toxin-antitoxin" (TA) modules. The genome of the human pathogen Escherichia coli O157 contains two three-component TA modules related to the known parDE module. Here, we show that the toxin EcParE2 maps in a branch of the RelE/ParE toxin superfamily that is distinct from the branches that contain verified gyrase and ribosome inhibitors. The structure of EcParE2 closely resembles that of Caulobacter crescentus ParE but shows a distinct pattern of conserved surface residues, in agreement with its apparent inability to interact with GyrA. The antitoxin EcPaaA2 is characterized by two α-helices (H1 and H2) that serve as molecular recognition elements to wrap itself around EcParE2. Both EcPaaA2 H1 and H2 are required to sustain a high-affinity interaction with EcParE2 and for the inhibition of EcParE2-mediated killing in vivo. Furthermore, evidence demonstrates that EcPaaA2 H2, but not H1, determines specificity for EcParE2. The initially formed EcPaaA2-EcParE2 heterodimer then assembles into a hetero-hexadecamer, which is stable in solution and is formed in a highly cooperative manner. Together these findings provide novel data on quaternary structure, TA interactions and activity of a hitherto poorly characterized family of TA modules.
History
DepositionJul 27, 2015Deposition site: RCSB / Processing site: PDBE
Revision 1.0Jun 1, 2016Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PAAA2
B: Plasmid stabilization protein ParE
C: PAAA2
D: Plasmid stabilization protein ParE
E: PAAA2
F: Plasmid stabilization protein ParE
G: PAAA2
H: Plasmid stabilization protein ParE
I: PAAA2
J: Plasmid stabilization protein ParE
K: PAAA2
L: Plasmid stabilization protein ParE
M: PAAA2
N: Plasmid stabilization protein ParE
O: PAAA2
P: Plasmid stabilization protein ParE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)164,35524
Polymers163,61816
Non-polymers7378
Water9,134507
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area45420 Å2
ΔGint-221 kcal/mol
Surface area49740 Å2
MethodPISA
Unit cell
Length a, b, c (Å)90.540, 90.540, 412.260
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number92
Space group name H-MP41212
Components on special symmetry positions
IDModelComponents
11C-119-

HOH

21C-132-

HOH

31C-133-

HOH

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Components

#1: Protein
PAAA2


Mass: 8661.044 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli O157 (bacteria) / Gene: SS52_2228 / Plasmid: pET21b / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A0F6F6Q9, UniProt: Q8XAD5*PLUS
#2: Protein
Plasmid stabilization protein ParE / Plasmid stabilization system protein


Mass: 11791.259 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli O157 (bacteria) / Gene: relE2 / Plasmid: pET21b / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A0D7C2L1, UniProt: A0A0H3JHG3*PLUS
#3: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C3H8O3
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 507 / 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: 2.84 Å3/Da / Density % sol: 56.69 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.1
Details: 100 mM magnesium chloride, 100 mM MES pH 6.1, 8% PEG 6000

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SOLEIL / Beamline: PROXIMA 1 / Wavelength: 0.97911 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: May 24, 2013
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97911 Å / Relative weight: 1
ReflectionResolution: 2.827→49.37 Å / Num. obs: 42331 / % possible obs: 99.82 % / Redundancy: 25.7 % / Rsym value: 0.142 / Net I/σ(I): 23.91
Reflection shellResolution: 2.827→2.928 Å / Rsym value: 0.85

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Phasing

PhasingMethod: MAD

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Processing

Software
NameVersionClassification
PHENIX(1.10.1_2155: ???)refinement
SHELXphasing
PDB_EXTRACT3.15data extraction
XDSdata reduction
XDSdata scaling
RefinementMethod to determine structure: MAD / Resolution: 2.827→49.369 Å / SU ML: 0.3 / Cross valid method: FREE R-VALUE / σ(F): 1.37 / Phase error: 22.66 / Stereochemistry target values: MLHL
RfactorNum. reflection% reflection
Rfree0.2399 2117 5 %
Rwork0.1849 --
obs0.1877 42325 99.8 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.827→49.369 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9981 0 48 507 10536
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.01610283
X-RAY DIFFRACTIONf_angle_d1.25214004
X-RAY DIFFRACTIONf_dihedral_angle_d17.6396300
X-RAY DIFFRACTIONf_chiral_restr0.071557
X-RAY DIFFRACTIONf_plane_restr0.0091817
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.8272-2.8930.33191340.25222538X-RAY DIFFRACTION97
2.893-2.96530.29761380.24322620X-RAY DIFFRACTION100
2.9653-3.04550.29681390.25112646X-RAY DIFFRACTION100
3.0455-3.13510.30271380.23382621X-RAY DIFFRACTION100
3.1351-3.23630.27611390.22332641X-RAY DIFFRACTION100
3.2363-3.35190.25761390.2162654X-RAY DIFFRACTION100
3.3519-3.48610.25391400.20522643X-RAY DIFFRACTION100
3.4861-3.64470.27411390.19552647X-RAY DIFFRACTION100
3.6447-3.83680.23661390.18342645X-RAY DIFFRACTION100
3.8368-4.07710.22991420.16512690X-RAY DIFFRACTION100
4.0771-4.39170.20431410.14822685X-RAY DIFFRACTION100
4.3917-4.83330.17211420.13732695X-RAY DIFFRACTION100
4.8333-5.53190.22061440.15742735X-RAY DIFFRACTION100
5.5319-6.96640.25041470.18622796X-RAY DIFFRACTION100
6.9664-49.37630.23071560.19262952X-RAY DIFFRACTION100
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)
10.42480.1851-0.29671.5343-0.03150.596-0.05970.45620.17210.3680.45570.40120.1455-1.02750.10240.35650.0209-0.01450.5247-0.08070.362671.545837.976970.8293
20.11220.15590.66010.3074-0.389-0.0152-0.07980.42580.058-0.01950.1186-0.05640.46680.01420.00010.50030.05050.00530.6395-0.06570.329961.110131.530159.2655
30.74640.23490.10640.4498-0.4542-0.0817-0.41010.2769-0.48830.0550.0278-0.48260.3860.0736-0.00720.6560.06080.10120.5307-0.06210.641649.564810.403566.4904
40.84791.0382-0.91212.74950.23691.36540.3668-0.0735-0.8479-0.3438-0.1555-0.07880.22010.46380.010.49910.09350.05310.581-0.0720.469353.253917.288366.9562
50.528-0.1491-0.30080.0780.17760.1475-0.5007-0.6869-0.17890.69350.41780.3040.2212-0.08690.00040.4350.0505-0.00120.52880.00410.429350.990718.472276.0895
61.34931.360.34441.524-0.40870.56360.08230.19510.0161-0.04850.13710.15720.17840.2440.00070.43880.0253-0.00510.4595-0.06760.406349.630.325468.01
71.098-1.34960.83682.8132-3.00273.94610.01890.4218-0.36680.07640.0458-1.1621-0.34390.0141-0.53120.33840.160.09740.7389-0.08610.581764.181623.18763.1497
82.6371-0.50610.7580.7577-1.32581.0663-0.05550.4167-0.3463-0.0387-0.0864-0.11170.14740.3995-0.0090.49460.1235-0.08270.5381-0.07860.39164.100528.594389.5336
92.28732.23191.67262.26270.85571.10630.6390.0927-0.3790.2488-0.4642-0.45960.06690.19240.29750.33580.0859-0.04380.4132-0.03240.569758.668453.55784.0942
100.50530.4420.68553.24040.0131.59980.1805-0.068-0.00320.146-0.0377-0.38730.07420.13210.00140.32580.1058-0.06620.4143-0.08760.391259.292743.816386.7072
110.46560.09450.4350.13920.1990.341-0.17080.54390.101-0.14980.198-0.05090.1823-0.0294-0.00020.38370.0567-0.06270.53610.01660.390154.541943.380478.5151
121.5017-0.1944-0.45340.75450.34851.28620.00940.0099-0.27140.08240.04930.09560.0183-0.0526-00.38190.0934-0.0440.4088-0.05290.388552.582431.973187.2401
132.01931.5295-0.4295.1563-1.50080.41160.21970.62960.1407-0.7858-0.3677-1.12730.13590.0585-0.1690.07970.0378-0.13320.5164-0.04520.483268.989635.379587.0423
141.24250.5709-0.10081.3323-1.64151.5544-0.05030.16630.0678-0.42120.3740.0104-0.6072-0.0950.00640.42550.0515-0.07320.45650.06470.502525.535464.077362.6338
150.6183-0.8203-0.47791.63770.67810.3935-0.11010.12340.8794-0.09690.0978-0.30780.06910.10470.00780.59490.08270.01880.570.05660.508445.562344.448556.3691
161.3879-0.7524-0.13530.66010.02341.7265-0.13560.19360.0762-0.2344-0.0537-0.1010.1267-0.0076-0.00050.31270.0761-0.00820.38130.00110.32340.163249.685259.3558
170.343-0.40730.56260.5446-0.83130.2927-0.2108-0.1043-0.0286-0.2769-0.0134-0.19730.25310.28050.00060.3832-0.0212-0.03070.4213-0.03690.379344.083149.581267.9887
181.1051-0.6931-0.19671.409-0.05310.0775-0.97740.38410.17982.46110.99240.151.15180.1550.03570.7584-0.0317-0.06780.683-0.03390.442430.231741.325776.0087
190.2678-0.46740.14771.2395-1.52151.9178-0.1029-0.0943-0.1544-0.09040.14470.2108-0.1335-0.40930.00240.37280.03-0.01940.40360.00920.422629.502350.252866.7231
200.70060.1790.39271.1758-1.16951.34390.2355-0.2706-0.10760.2458-0.2458-0.44630.0218-1.08340.06910.3137-0.0441-0.10890.33840.05810.379634.689860.33555.0106
210.3738-0.3254-0.14590.3558-0.06710.1690.0756-0.0849-0.029-0.51210.0192-0.5327-0.227-0.2520.00260.6157-0.0229-0.01540.4149-0.05520.713645.144868.603365.1975
221.2131-0.4670.08981.7179-0.4880.76770.2472-0.12570.28690.7610.1517-0.3568-0.8533-0.00350.05270.57960.0331-0.11250.5116-0.11020.583844.023366.634186.3953
231.1806-0.91080.51651.32560.67380.504-0.1712-0.71780.66150.02360.90780.48650.217-0.57120.32890.7630.18760.25880.87210.29160.936920.169265.695791.2128
241.7148-0.0987-1.93491.37510.54251.9014-0.2111-0.09660.35860.19640.95270.6401-0.4724-0.90860.05850.54260.10960.00110.70740.11130.591430.068864.590987.7063
250.76820.6861-0.12152.6446-1.59830.7017-0.14470.3144-0.0819-0.46290.42560.28990.2069-0.25550.00320.4363-0.0297-0.06330.59050.01820.475233.219955.353282.3811
261.23770.2871-0.71691.3682-0.3426-0.1076-0.0949-0.16730.31240.1385-0.1256-0.2897-0.24240.0389-0.0030.48660.0068-0.05360.4258-0.01790.448337.907161.732883.2678
270.8272-0.16090.2310.00680.01970.0722-0.2271-0.58360.66560.81310.2823-1.1021.0573-0.27840.03811.02270.2019-0.10140.618-0.06120.879240.966-4.132192.5487
281.2990.7821-0.22590.81740.55880.29140.29690.1633-0.7106-0.17730.058-0.00740.59920.55730.01660.73610.08880.0310.4644-0.11840.699534.7002-1.940472.5591
290.10210.0652-0.3011-0.1729-0.1978-0.2604-0.3511-0.2767-0.76670.14020.461-0.5094-0.2125-0.10390.00670.6093-0.03-0.04250.4564-0.01010.793811.12174.283974.4032
301.7345-0.6263-0.03660.46570.3851.07260.0721-0.1538-0.2609-0.3465-0.13310.35550.6483-0.03530.00010.6482-0.0384-0.01170.5279-0.05340.614821.36753.330674.9051
310.11730.4181-0.28990.1804-0.12980.04450.18180.09460.50180.53930.02220.6372-0.1224-0.17550.01020.6284-0.04120.04930.4563-0.05250.465219.825710.300881.1123
321.55890.89030.22271.05670.69242.5846-0.2521-0.0253-0.33540.21310.0152-0.22930.32610.1208-0.00030.56670.0703-0.02560.3803-0.05010.554533.28139.807975.9111
333.0534-0.1338-2.33641.9703-0.45462.0429-0.6534-1.0167-1.6909-0.0071-0.22220.02770.19641.1079-1.9260.6550.07580.02050.0406-0.16670.903928.9071-5.650779.3439
340.21720.01250.28350.29650.0850.4168-0.1302-1.0818-1.31530.1683-0.2817-0.41871.6628-0.4885-0.00391.0899-0.23320.12860.76710.18140.884822.5468-3.49593.6899
350.8949-0.6115-0.03390.5694-0.82611.1380.0081-0.3301-0.26470.30080.24580.17040.2472-0.18850.0070.62640.05450.140.58930.10070.498228.515913.9968104.458
360.26450.1098-0.3190.1599-0.584-0.044-0.4832-0.2585-0.5188-0.97720.4461-0.09740.1667-0.3742-0.00450.68050.0938-0.00390.52060.0660.602751.998316.204598.4643
370.98340.28070.25180.21710.30650.1924-0.65760.21160.376-0.27980.2127-0.17270.1867-0.5641-0.11990.5213-0.0137-0.00670.5134-0.09410.402336.65827.805193.8924
381.3407-0.256-0.05680.6674-0.07940.6218-0.1129-0.1882-0.31320.3983-0.0074-0.04470.36460.0892-0.00050.77770.13190.03160.50240.01440.500143.407512.359195.1413
392.18690.06751.00621.5519-0.0152.53340.069-0.2534-0.06590.1462-0.02270.15410.2822-0.37130.00010.5034-0.01330.06640.49730.01130.506429.606818.218693.1199
404.5421-2.2487-1.53913.82630.96972.9910.00970.6775-0.3223-0.3811-0.35120.0799-0.0876-0.0896-0.68240.80870.0030.15140.57470.23920.5534.30155.8741103.1998
410.12950.3225-0.20360.2199-0.19360.25110.082-1.167-0.13480.4269-0.20980.42640.8880.0454-0.00720.7953-0.25450.16720.771-0.160.7383-7.06622.042784.0956
420.938-1.14530.51321.70520.93511.4583-0.02020.1716-0.0033-0.087-0.03420.73430.4912-0.5191-0.00860.4551-0.10430.01080.4321-0.11670.57410.162416.919265.2558
430.2409-0.36590.39520.7207-0.59010.33940.8721-0.51570.2617-0.3587-0.19460.08840.1186-0.28670.02620.5505-0.08150.03660.59430.0780.60255.126737.265553.9351
440.76630.24790.62791.3843-0.46052.25920.23140.8351-0.0211-0.0113-0.30470.225-0.0102-0.06070.00280.4452-0.0569-0.00010.4556-0.06960.44733.511430.205160.0434
450.5256-0.24650.15850.40210.26540.2287-0.1879-0.35061.320.08070.1606-0.8251-0.26090.0032-0.00280.4741-0.08650.02650.4178-0.12030.60688.210836.484565.3648
461.6102-0.08510.15341.5244-0.17351.1324-0.0302-0.3565-0.17430.1253-0.0034-0.09170.2761-0.030.00050.4752-0.08280.02330.4761-0.04070.444211.045622.524370.4795
470.27140.0360.37821.1663-1.01440.86080.07330.5586-0.0922-0.2518-0.23940.39750.1153-0.4157-0.00160.4526-0.0729-0.04140.5763-0.08280.50010.071824.048165.3219
480.2747-0.19590.07391.2958-0.16186.1009-0.01590.20540.85560.1051-0.0497-0.17761.1274-0.1233-0.07260.4093-0.0004-0.06450.5638-0.04640.7162-8.705739.327274.3117
492.1177-0.93720.19150.2136-0.98170.5137-0.2082-0.5387-0.07680.11910.20190.21230.0889-0.23590.00120.53330.09720.03430.6477-0.07530.5548.292133.49493.6883
500.20990.20480.82051.6947-0.191.7032-0.0999-0.9117-0.18050.0904-0.04820.23820.0112-0.1259-0.00080.45770.02060.07680.57730.01960.44869.437829.482993.171
513.07490.9131-0.1950.64890.43770.7946-0.07460.0779-0.12190.01060.01560.01670.0165-0.19-0.00060.5180.02320.01020.5119-0.03630.431813.152430.607182.7719
520.9952-1.1789-0.68631.4091-0.28341.2303-0.0362-0.13670.10860.0358-0.0137-0.1458-0.221-0.326100.40480.02380.01060.4856-0.05470.443211.829635.623284.5264
533.00420.7017-0.56775.7194-1.691.30420.2476-0.39980.3169-0.66990.84612.1248-0.25490.04241.95470.24730.10440.36760.6324-0.16710.20871.062534.784691.9901
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 1 through 14 )
2X-RAY DIFFRACTION2chain 'A' and (resid 15 through 34 )
3X-RAY DIFFRACTION3chain 'A' and (resid 35 through 60 )
4X-RAY DIFFRACTION4chain 'B' and (resid 1 through 25 )
5X-RAY DIFFRACTION5chain 'B' and (resid 26 through 44 )
6X-RAY DIFFRACTION6chain 'B' and (resid 45 through 86 )
7X-RAY DIFFRACTION7chain 'B' and (resid 87 through 95 )
8X-RAY DIFFRACTION8chain 'C' and (resid 4 through 41 )
9X-RAY DIFFRACTION9chain 'C' and (resid 42 through 60 )
10X-RAY DIFFRACTION10chain 'D' and (resid 1 through 25 )
11X-RAY DIFFRACTION11chain 'D' and (resid 26 through 44 )
12X-RAY DIFFRACTION12chain 'D' and (resid 45 through 86 )
13X-RAY DIFFRACTION13chain 'D' and (resid 87 through 95 )
14X-RAY DIFFRACTION14chain 'E' and (resid 2 through 34 )
15X-RAY DIFFRACTION15chain 'E' and (resid 35 through 60 )
16X-RAY DIFFRACTION16chain 'F' and (resid 1 through 25 )
17X-RAY DIFFRACTION17chain 'F' and (resid 26 through 44 )
18X-RAY DIFFRACTION18chain 'F' and (resid 45 through 49 )
19X-RAY DIFFRACTION19chain 'F' and (resid 50 through 86 )
20X-RAY DIFFRACTION20chain 'F' and (resid 87 through 96 )
21X-RAY DIFFRACTION21chain 'G' and (resid 2 through 14 )
22X-RAY DIFFRACTION22chain 'G' and (resid 15 through 41 )
23X-RAY DIFFRACTION23chain 'G' and (resid 42 through 62 )
24X-RAY DIFFRACTION24chain 'H' and (resid 1 through 25 )
25X-RAY DIFFRACTION25chain 'H' and (resid 26 through 59 )
26X-RAY DIFFRACTION26chain 'H' and (resid 60 through 95 )
27X-RAY DIFFRACTION27chain 'I' and (resid 2 through 14 )
28X-RAY DIFFRACTION28chain 'I' and (resid 15 through 41 )
29X-RAY DIFFRACTION29chain 'I' and (resid 42 through 60 )
30X-RAY DIFFRACTION30chain 'J' and (resid 1 through 25 )
31X-RAY DIFFRACTION31chain 'J' and (resid 26 through 44 )
32X-RAY DIFFRACTION32chain 'J' and (resid 45 through 86 )
33X-RAY DIFFRACTION33chain 'J' and (resid 87 through 95 )
34X-RAY DIFFRACTION34chain 'K' and (resid 2 through 14 )
35X-RAY DIFFRACTION35chain 'K' and (resid 15 through 41 )
36X-RAY DIFFRACTION36chain 'K' and (resid 42 through 62 )
37X-RAY DIFFRACTION37chain 'L' and (resid 1 through 7 )
38X-RAY DIFFRACTION38chain 'L' and (resid 8 through 44 )
39X-RAY DIFFRACTION39chain 'L' and (resid 45 through 86 )
40X-RAY DIFFRACTION40chain 'L' and (resid 87 through 95 )
41X-RAY DIFFRACTION41chain 'M' and (resid 2 through 14 )
42X-RAY DIFFRACTION42chain 'M' and (resid 15 through 41 )
43X-RAY DIFFRACTION43chain 'M' and (resid 42 through 58 )
44X-RAY DIFFRACTION44chain 'N' and (resid 1 through 25 )
45X-RAY DIFFRACTION45chain 'N' and (resid 26 through 44 )
46X-RAY DIFFRACTION46chain 'N' and (resid 45 through 77 )
47X-RAY DIFFRACTION47chain 'N' and (resid 78 through 95 )
48X-RAY DIFFRACTION48chain 'O' and (resid 1 through 14 )
49X-RAY DIFFRACTION49chain 'O' and (resid 15 through 60 )
50X-RAY DIFFRACTION50chain 'P' and (resid 1 through 25 )
51X-RAY DIFFRACTION51chain 'P' and (resid 26 through 59 )
52X-RAY DIFFRACTION52chain 'P' and (resid 60 through 86 )
53X-RAY DIFFRACTION53chain 'P' and (resid 87 through 100 )

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