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- PDB-8gmh: Crystal Structure of the ternary complex of TelA-LXG, LapA3, and LapA4 -

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Basic information

Entry
Database: PDB / ID: 8gmh
TitleCrystal Structure of the ternary complex of TelA-LXG, LapA3, and LapA4
Components
  • LXG domain-containing protein
  • LapA3
  • LapA4
KeywordsPROTEIN BINDING / Type VII secretion / protein secretion / bacterial toxin / targeting factors / signal sequence
Function / homologyLXG domain / LXG domain of WXG superfamily / LXG domain profile. / Variable surface protein mvspG / LXG domain-containing protein
Function and homology information
Biological speciesStreptococcus intermedius B196 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å
AuthorsKlein, T.A. / Shah, P.Y. / Gkragkopoulou, P. / Grebenc, D.W. / Kim, Y. / Whitney, J.C.
Funding support Canada, 1items
OrganizationGrant numberCountry
Canadian Institutes of Health Research (CIHR)PJT-173486 Canada
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2024
Title: Structure of a tripartite protein complex that targets toxins to the type VII secretion system.
Authors: Klein, T.A. / Shah, P.Y. / Gkragkopoulou, P. / Grebenc, D.W. / Kim, Y. / Whitney, J.C.
History
DepositionMar 25, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 10, 2024Provider: repository / Type: Initial release
Revision 1.1Jan 24, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
B: LXG domain-containing protein
C: LapA4
D: LapA3
A: LXG domain-containing protein
E: LapA4
F: LapA3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)101,9799
Polymers101,7936
Non-polymers1863
Water4,954275
1
B: LXG domain-containing protein
C: LapA4
D: LapA3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)51,0836
Polymers50,8963
Non-polymers1863
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area8790 Å2
ΔGint-59 kcal/mol
Surface area20890 Å2
MethodPISA
2
A: LXG domain-containing protein
E: LapA4
F: LapA3


Theoretical massNumber of molelcules
Total (without water)50,8963
Polymers50,8963
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area8140 Å2
ΔGint-67 kcal/mol
Surface area20790 Å2
MethodPISA
Unit cell
Length a, b, c (Å)51.925, 61.419, 97.916
Angle α, β, γ (deg.)77.680, 77.140, 65.060
Int Tables number1
Space group name H-MP1
Space group name HallP1

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Components

#1: Protein LXG domain-containing protein


Mass: 25821.539 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptococcus intermedius B196 (bacteria)
Gene: SIR_0169 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: T1ZCZ9
#2: Protein LapA4


Mass: 15547.171 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptococcus intermedius B196 (bacteria)
Gene: SIR_0166.1 / Production host: Escherichia coli BL21(DE3) (bacteria)
#3: Protein LapA3


Mass: 9527.754 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptococcus intermedius B196 (bacteria)
Gene: SIR_0167 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: T1ZBE7
#4: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 3 / Source method: isolated from a natural source / Formula: C2H6O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 275 / Source method: isolated from a natural source / Formula: H2O
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: 2.71 Å3/Da / Density % sol: 54.65 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop
Details: 0.02M Magnesium chloride 0.1M HEPES:NaOH pH 7.5 22% (w/v) polyacrylic acid 5100

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.97918 Å
DetectorType: DECTRIS PILATUS3 X 6M / Detector: PIXEL / Date: Aug 1, 2022
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97918 Å / Relative weight: 1
ReflectionResolution: 2.6→50 Å / Num. obs: 31528 / % possible obs: 97.2 % / Redundancy: 3.7 % / Biso Wilson estimate: 41.45 Å2 / CC1/2: 0.948 / CC star: 0.986 / Rmerge(I) obs: 0.209 / Rpim(I) all: 0.123 / Rrim(I) all: 0.243 / Χ2: 1.725 / Net I/σ(I): 3.9 / Num. measured all: 117339
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2CC starRpim(I) allRrim(I) allΧ2% possible all
2.6-2.642.70.85815040.4780.8040.5861.0450.60892.9
2.64-2.692.90.84915340.4870.8090.5641.0250.57294.7
2.69-2.743.10.79215620.6240.8770.5060.9440.61494.8
2.74-2.83.10.65515580.6670.8950.4130.7790.6996.3
2.8-2.863.50.62215640.7430.9230.380.7320.70796.5
2.86-2.933.90.55416140.8050.9440.3210.6420.797.6
2.93-33.90.51815430.8280.9520.2990.5990.75197.9
3-3.0840.44516150.8480.9580.2530.5130.75397.9
3.08-3.1740.38615590.8890.970.220.4450.83297.7
3.17-3.283.90.34915850.8970.9720.2010.4040.82697.7
3.28-3.393.90.31115930.9030.9740.180.361.03197.6
3.39-3.533.70.23915670.9330.9830.1410.2781.26396.7
3.53-3.694.10.20416130.9530.9880.1150.2341.49898.7
3.69-3.8840.18715650.9540.9880.1050.2151.86498.4
3.88-4.1340.16716020.9540.9880.0960.1932.03298.3
4.13-4.453.90.15615870.9560.9890.0920.1822.6697.8
4.45-4.893.90.15315650.9580.9890.0890.1782.89497
4.89-5.64.10.15616270.9680.9920.090.1812.84399
5.6-7.053.90.15615700.9660.9910.0920.1823.15698
7.05-5040.12216010.9780.9940.0720.1426.27298.1

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Processing

Software
NameVersionClassification
PHENIX1.20.1_4487refinement
HKL-3000data scaling
HKL-3000data reduction
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.6→45.08 Å / SU ML: 0.3873 / Cross valid method: FREE R-VALUE / σ(F): 1.97 / Phase error: 29.1625
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2577 1479 4.71 %
Rwork0.2147 29935 -
obs0.2168 31414 96.25 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 55.86 Å2
Refinement stepCycle: LAST / Resolution: 2.6→45.08 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6614 0 12 275 6901
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00146693
X-RAY DIFFRACTIONf_angle_d0.29989105
X-RAY DIFFRACTIONf_chiral_restr0.03061132
X-RAY DIFFRACTIONf_plane_restr0.0021173
X-RAY DIFFRACTIONf_dihedral_angle_d12.60172364
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.6-2.680.3767910.30912456X-RAY DIFFRACTION86.08
2.68-2.780.33831270.27962675X-RAY DIFFRACTION94.38
2.78-2.890.29711130.25072738X-RAY DIFFRACTION96.16
2.89-3.020.31391380.24942768X-RAY DIFFRACTION97.94
3.02-3.180.30551410.25312758X-RAY DIFFRACTION97.74
3.18-3.380.30371530.25942735X-RAY DIFFRACTION97.47
3.38-3.640.29881440.22012756X-RAY DIFFRACTION97.41
3.64-4.010.24691230.19572816X-RAY DIFFRACTION98.49
4.01-4.580.23651460.17252707X-RAY DIFFRACTION97.34
4.59-5.770.20011550.18472796X-RAY DIFFRACTION98.53
5.77-45.080.20991480.1872730X-RAY DIFFRACTION97.16
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)
16.346756150243.562243147461.955226532642.964344762631.599814768031.503632426190.0619430617226-0.3707736514840.03516591388740.0796656854815-0.1290796213870.3278705961630.224843969336-0.2259975473360.05705045779850.449521409787-0.0971277857272-0.01173761047340.3061216954330.0107320445630.35702750637922.739907393526.328632941534.3301637355
22.791655951223.139864238352.395495014632.595266944981.112653882111.51609975804-0.201220546712-0.03263859862150.422966536091-0.233506577693-0.08159144345430.150194157713-0.6476667249430.3320187173770.2102431114120.531241019765-0.243557434386-0.02290316334760.527732090865-0.03350965408290.539551519251-17.64243649191.1195566505715.41369886
37.174569737693.635625674442.363823819575.520651594090.5234788253562.90741000407-0.4910504680330.1605574176681.06858385072-0.3947436751510.3637442761350.978536916767-0.0795350246009-0.09636855578950.07968520150540.431879981323-0.0463285995884-0.03013932423330.31121393484-0.05505655553460.50561814660224.916963994239.495321898129.125581172
47.581560616674.663256126831.833840467324.43490408641.179184460571.90336751285-0.197149516665-0.1545758706170.0595061331648-0.03889800674860.0697070542864-0.121983310909-0.1504131191050.03198428664530.05953114935080.2836440738750.0248325498937-0.01238252750270.19927930884-0.06845384086510.275286613806-46.8623284749-25.19518181496.7804014592
56.563454667885.063428708432.564945410334.851391855732.110005665571.952785271540.428892409626-0.517486810675-0.5329916898250.362898897238-0.305115546614-0.495823266705-0.077693362539-0.0278977092563-0.06395737593520.3496846715-0.02068542878780.0006440007520530.2682915235420.01603759818560.341852032954-36.1434266477-20.303717685715.0807436559
65.857118323181.489920539032.240466158014.283984263333.318354704463.05879301019-0.189652279036-0.107650784004-0.5196799473520.7478390515230.1137661441270.01771645017590.332225723370.927942610680.03006659263510.436446442119-0.0850611814904-0.01051364554230.519895695622-0.003312672675480.58531304984945.791450588931.86204644637.9287285339
78.559053591394.80338260661.777460963033.479757410030.76605414771.88990153845-0.6043342316181.26094572186-1.22187106804-0.4676270697760.752121409252-0.744870817950.218659085370.146677298767-0.2464695576660.560850829808-0.2067051001980.05877394869840.466772981717-0.1369329028770.88921781370618.251184453213.502820273624.5859406302
86.681447943255.484199900610.3517069711174.530362114380.4563550852292.18219796749-0.5887166207241.110045078320.422348133185-0.3174332910440.5837938165310.288403242034-0.2173087411870.436418187133-0.001876635132850.488750608006-0.09760070931530.07321726653280.451120163309-0.09764859114930.48458051085135.594297635331.83331109627.733531573
96.04866014439-3.87651335955-2.871493374633.908577240642.026962027132.152315592090.02483116899240.5046532986580.266945966349-0.136772907393-0.01333698673350.285883160199-0.189362551658-0.289530276799-0.02041222023060.4110564403320.0879192362399-0.002141213595080.323357346282-0.01583957396370.51171547967122.6210413482-26.5845730605-34.7187145007
102.76165674011-2.58111201304-2.221449235652.694566060891.45763594611.45361815553-0.272401252814-0.244185858403-0.4001131198950.2256898640930.037250987650.06245929131430.4314116670110.4633584881650.207123673510.4741506360150.2429481575670.02919780668690.5430597167780.006462482280850.506343117243-17.7397462072-1.30081341747-15.7716218408
117.41598135018-3.65887073155-2.168665919455.965246039781.892501879013.13048990583-0.253795146773-0.163477192163-1.288009737430.1723742419350.1846805269051.25720775406-0.066831425393-0.1572525741410.01048502580550.4900998945350.08019513313120.006703247981590.313795597975-0.04323234738040.58059802110724.630968873-39.6025386264-29.4417335138
124.46755368319-4.05256709274-0.8108624343863.798140859090.2790118996991.131086728430.03267012635120.0484112911689-0.16010754892-0.1609793151970.02938519736760.0173817208276-0.0350113103042-0.110313577321-0.05786915341950.289647800792-0.0283303105021-0.01433536593790.340984439668-0.1530492507460.428538661134-52.247057651827.7648967-5.77466431784
131.386796605070.0761631910331-0.728354892887-0.0235709703307-0.05601245517660.3519244556210.4240555315810.2118799004460.4811991049840.2062650123060.0543573471903-1.019920346770.6476325917620.230904865837-0.3333069857760.6850828257690.3780857129210.06113623280820.700625860941-0.1531276942841.02169998422-7.927148258574.62620031578-19.7845407891
145.98602260557-5.47157602871-2.86867231344.851270171192.796694988081.663323236140.7024649647870.5747573944360.250604595105-0.70500010238-0.540788876319-0.196695265175-0.253065715756-0.156375620182-0.1522569206910.3935305807080.07668697770230.06613629604130.3486981124260.02574933074270.468550030572-40.634265409322.4227521773-14.5521474133
156.15803609095-3.03054687321-2.561636296687.84687743271.239298982878.89870067078-0.0797856153649-0.02331278137810.144654239344-0.267716133230.0799963260757-0.03321676446-0.3784920316031.176825545510.1784440388710.377943108462-0.00254344357756-0.08452057466460.524063285053-0.07291849726230.58811560983845.8311390534-32.1722885522-38.3516766677
163.36070279138-3.04607461685-3.02331072842.745111671662.764987206233.82093542098-0.427471058149-0.7739713088451.090798409710.1650708114870.898073752709-0.255891193759-0.1880219513450.196924087358-0.4098931577070.4992452174960.156090603099-0.02187828629910.432845432911-0.04337018775340.96407772343518.1473147495-13.768747352-24.9958908158
174.92229698851-2.77550838918-0.6559511399364.156464919320.2910316063263.31096070151-0.378597169683-1.08307902211-0.1316532115770.06265608893710.525346584730.0744297770650.09662327768190.515924080509-0.09015479785020.4470527006330.157003018443-0.08461475047010.469418860061-0.14177149670.52795087902735.5198370775-31.9415480195-28.1789334482
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

IDRefine TLS-IDSelection detailsAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11chain 'B' and (resid 1 through 86 )BA1 - 861 - 86
22chain 'B' and (resid 87 through 166 )BA87 - 16687 - 166
33chain 'B' and (resid 167 through 222 )BA167 - 222167 - 222
44chain 'C' and (resid 2 through 62 )CE2 - 621 - 61
55chain 'C' and (resid 63 through 139 )CE63 - 13962 - 138
66chain 'D' and (resid 5 through 23 )DF5 - 231 - 19
77chain 'D' and (resid 24 through 38 )DF24 - 3820 - 34
88chain 'D' and (resid 39 through 82 )DF39 - 8235 - 78
99chain 'A' and (resid 1 through 86 )AG1 - 861 - 86
1010chain 'A' and (resid 87 through 166 )AG87 - 16687 - 166
1111chain 'A' and (resid 167 through 223 )AG167 - 223167 - 223
1212chain 'E' and (resid 2 through 54 )EH2 - 541 - 53
1313chain 'E' and (resid 55 through 72 )EH55 - 7254 - 71
1414chain 'E' and (resid 73 through 138 )EH73 - 13872 - 137
1515chain 'F' and (resid 5 through 23 )FI5 - 231 - 19
1616chain 'F' and (resid 24 through 38 )FI24 - 3820 - 34
1717chain 'F' and (resid 39 through 82 )FI39 - 8235 - 78

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