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- PDB-3bvo: Crystal structure of human co-chaperone protein HscB -

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Basic information

Entry
Database: PDB / ID: 3bvo
TitleCrystal structure of human co-chaperone protein HscB
ComponentsCo-chaperone protein HscB, mitochondrial precursor
KeywordsCHAPERONE / Co-chaperone protein HscB / Structural Genomics Medical Relevance / Protein Structure Initiative / PSI-2 / Center for Eukaryotic Structural Genomics / CESG / Mitochondrion / Transit peptide
Function / homology
Function and homology information


protein maturation by iron-sulfur cluster transfer / Mitochondrial iron-sulfur cluster biogenesis / Mitochondrial protein import / [2Fe-2S] cluster assembly / iron-sulfur cluster assembly / ATPase activator activity / protein complex oligomerization / protein-folding chaperone binding / mitochondrion / nucleoplasm ...protein maturation by iron-sulfur cluster transfer / Mitochondrial iron-sulfur cluster biogenesis / Mitochondrial protein import / [2Fe-2S] cluster assembly / iron-sulfur cluster assembly / ATPase activator activity / protein complex oligomerization / protein-folding chaperone binding / mitochondrion / nucleoplasm / identical protein binding / metal ion binding / cytosol / cytoplasm
Similarity search - Function
HscB, tetracysteine metal binding motif / Co-chaperone HscB tetracysteine metal binding motif / Co-chaperone Hsc20 / Co-chaperone HscB, C-terminal oligomerisation domain / HSCB C-terminal oligomerisation domain / HscB, C-terminal domain superfamily / HscB, C-terminal domain / DnaJ domain / Monooxygenase / Chaperone J-domain superfamily ...HscB, tetracysteine metal binding motif / Co-chaperone HscB tetracysteine metal binding motif / Co-chaperone Hsc20 / Co-chaperone HscB, C-terminal oligomerisation domain / HSCB C-terminal oligomerisation domain / HscB, C-terminal domain superfamily / HscB, C-terminal domain / DnaJ domain / Monooxygenase / Chaperone J-domain superfamily / DnaJ domain / Helix Hairpins / Up-down Bundle / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Iron-sulfur cluster co-chaperone protein HscB
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 3 Å
AuthorsBitto, E. / Bingman, C.A. / McCoy, J.G. / Wesenberg, G.E. / Phillips Jr., G.N. / Center for Eukaryotic Structural Genomics (CESG)
CitationJournal: J.Biol.Chem. / Year: 2008
Title: Structure of human J-type co-chaperone HscB reveals a tetracysteine metal-binding domain.
Authors: Bitto, E. / Bingman, C.A. / Bittova, L. / Kondrashov, D.A. / Bannen, R.M. / Fox, B.G. / Markley, J.L. / Phillips, G.N.
History
DepositionJan 7, 2008Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 15, 2008Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.2Oct 25, 2017Group: Refinement description / Category: software
Item: _software.classification / _software.contact_author ..._software.classification / _software.contact_author / _software.contact_author_email / _software.date / _software.language / _software.location / _software.name / _software.type / _software.version

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Co-chaperone protein HscB, mitochondrial precursor
B: Co-chaperone protein HscB, mitochondrial precursor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)49,0225
Polymers48,7962
Non-polymers2273
Water0
1
A: Co-chaperone protein HscB, mitochondrial precursor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,5593
Polymers24,3981
Non-polymers1612
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Co-chaperone protein HscB, mitochondrial precursor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,4632
Polymers24,3981
Non-polymers651
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)63.644, 32.581, 114.362
Angle α, β, γ (deg.)90.000, 105.240, 90.000
Int Tables number4
Space group name H-MP1211
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22B

NCS domain segments:

Component-ID: 1 / Refine code: 4

Dom-IDEns-IDBeg label comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11ARGLYSAA40 - 14312 - 115
21ARGLYSBB40 - 14312 - 115
12MSELEUAA157 - 235129 - 207
22MSEPROBB157 - 234129 - 206

NCS ensembles :
ID
1
2

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Components

#1: Protein Co-chaperone protein HscB, mitochondrial precursor / / Hsc20 / DnaJ homolog subfamily C member 20


Mass: 24397.809 Da / Num. of mol.: 2 / Fragment: Residues 30-235
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HSCB, DNAJC20, HSC20 / Plasmid: PVP 16 / Production host: Escherichia coli (E. coli) / Strain (production host): B834 P(RARE2) / References: UniProt: Q8IWL3
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4

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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: 2.34 Å3/Da / Density % sol: 47.54 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop
Details: Protein solution (10 mg/mL Se-Met protein, 0.050 M Sodium chloride, 0.0031 M Sodium azide, 0.0003 M TCEP, 0.005 M Bis-Tris pH 7.0) mixed in a 1:1 ratio with the Well solution (16% PEG 3350, ...Details: Protein solution (10 mg/mL Se-Met protein, 0.050 M Sodium chloride, 0.0031 M Sodium azide, 0.0003 M TCEP, 0.005 M Bis-Tris pH 7.0) mixed in a 1:1 ratio with the Well solution (16% PEG 3350, 0.050 M Lithium sulfate, 0.10 M PIPES pH 6.5), cryoprotected with 20% PEG 3350, 0.050 M Lithium sulfate, 0.10 M PIPES pH 6.5 in four steps up to 20% Ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 23-ID-D / Wavelength: 0.97934 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Dec 10, 2007 / Details: Adjustable focusing mirrors in K-B geometry
RadiationMonochromator: Si(111) Double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97934 Å / Relative weight: 1
ReflectionResolution: 3→47.75 Å / Num. obs: 9770 / % possible obs: 96.7 % / Redundancy: 6.3 % / Rmerge(I) obs: 0.086 / Χ2: 1.31 / Net I/σ(I): 10.054
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. unique allΧ2% possible all
3-3.114.30.3423.0227801.07179.8
3.11-3.235.10.2879071.07590.8
3.23-3.385.70.2259520.99996
3.38-3.566.40.1769901.09599.9
3.56-3.786.70.12310050.997100
3.78-4.076.90.09510100.857100
4.07-4.4870.0799881.008100
4.48-5.1370.07710171.212100
5.13-6.466.90.08410451.689100
6.46-47.756.70.05810762.70799.6

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Phasing

PhasingMethod: SAD
Phasing MAD set

R cullis centric: 0 / Highest resolution: 3 Å / Lowest resolution: 36.78 Å / Power centric: 0

IDR cullis acentricPower acentricReflection acentricReflection centric
ISO_10080211221
ANO_10.7361.36778240
Phasing MAD set shell

R cullis centric: 0 / Power centric: 0

IDResolution (Å)R cullis acentricPower acentricReflection acentricReflection centric
ISO_112.64-36.78008863
ISO_19.22-12.640015758
ISO_17.6-9.220020364
ISO_16.62-7.60024663
ISO_15.94-6.620029458
ISO_15.44-5.940030659
ISO_15.04-5.440036461
ISO_14.72-5.040035865
ISO_14.45-4.720042158
ISO_14.23-4.450042562
ISO_14.03-4.230044559
ISO_13.86-4.030048262
ISO_13.71-3.860048860
ISO_13.58-3.710050659
ISO_13.46-3.580055768
ISO_13.35-3.460052952
ISO_13.25-3.350055265
ISO_13.16-3.250055463
ISO_13.08-3.160054462
ISO_13-3.080050260
ANO_112.64-36.780.3164.425880
ANO_19.22-12.640.4293.1441570
ANO_17.6-9.220.4193.3092030
ANO_16.62-7.60.3753.7222460
ANO_15.94-6.620.4143.2122940
ANO_15.44-5.940.52.5733060
ANO_15.04-5.440.582.1443640
ANO_14.72-5.040.6121.7393580
ANO_14.45-4.720.7161.4184210
ANO_14.23-4.450.7711.1924250
ANO_14.03-4.230.81.0624450
ANO_13.86-4.030.8780.9244820
ANO_13.71-3.860.9250.6944870
ANO_13.58-3.710.9290.6015020
ANO_13.46-3.580.9450.4865540
ANO_13.35-3.460.9680.4215270
ANO_13.25-3.350.9760.3335380
ANO_13.16-3.250.9840.2745150
ANO_13.08-3.160.9870.2394890
ANO_13-3.080.9920.1984230
Phasing MAD set site
IDCartn x (Å)Cartn y (Å)Cartn z (Å)Atom type symbolB isoOccupancy
112.8060.4565.7SE103.931.13
2-5.6790.70598.919SE81.620.67
31.22110.32742.995SE120.40.82
4-18.8965.31466.888SE107.710.75
53.29611.53972.969SE115.380.51
60.00314.95862.381SE138.980.73
7-6.598.481.425SE143.490.67
822.80415.22187.647SE112.090.49
9-4.0355.9477.516SE164.140.84
Phasing dmMethod: Solvent flattening and Histogram matching / Reflection: 9241
Phasing dm shell
Resolution (Å)Delta phi finalFOM Reflection
8.19-100740.56508
6.44-8.1971.40.776504
5.63-6.4462.60.801504
5.09-5.6368.80.833505
4.71-5.0969.30.871504
4.43-4.7159.80.894503
4.2-4.4365.30.877508
4.01-4.271.50.881503
3.86-4.0173.60.87508
3.72-3.86740.842514
3.59-3.7276.60.827503
3.49-3.5976.70.812505
3.4-3.49770.796504
3.31-3.482.90.771505
3.23-3.3184.90.76502
3.16-3.2384.70.702504
3.09-3.1682.70.664513
3-3.0981.80.651644

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
DM5phasing
REFMAC5.2.0019refinement
PDB_EXTRACT3data extraction
MAR345CCDdata collection
HKL-2000data reduction
SHELXDphasing
RefinementMethod to determine structure: SAD / Resolution: 3→47.75 Å / Cor.coef. Fo:Fc: 0.921 / Cor.coef. Fo:Fc free: 0.887 / WRfactor Rfree: 0.288 / WRfactor Rwork: 0.236 / SU B: 47.569 / SU ML: 0.417 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0 / ESU R Free: 0.542 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.288 753 8.148 %RANDOM
Rwork0.236 ---
obs0.24 9242 97.489 %-
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: 72.562 Å2
Baniso -1Baniso -2Baniso -3
1-0.085 Å20 Å2-0.703 Å2
2--4.31 Å20 Å2
3----4.765 Å2
Refinement stepCycle: LAST / Resolution: 3→47.75 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3096 0 7 0 3103
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0223168
X-RAY DIFFRACTIONr_angle_refined_deg1.0471.9694247
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.065370
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.16424.294170
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.36515609
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.2321526
X-RAY DIFFRACTIONr_chiral_restr0.0720.2444
X-RAY DIFFRACTIONr_gen_planes_refined0.0030.022398
X-RAY DIFFRACTIONr_nbd_refined0.2210.21436
X-RAY DIFFRACTIONr_nbtor_refined0.3070.22162
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1320.2105
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2650.269
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1160.28
X-RAY DIFFRACTIONr_mcbond_it0.81921933
X-RAY DIFFRACTIONr_mcangle_it1.68663023
X-RAY DIFFRACTIONr_scbond_it3.77881376
X-RAY DIFFRACTIONr_scangle_it5.666121224
Refine LS restraints NCS

Dom-ID: 1 / Auth asym-ID: A / Refine-ID: X-RAY DIFFRACTION

Ens-IDNumberTypeRms dev position (Å)Weight position
1815MEDIUM POSITIONAL0.190.15
1815MEDIUM THERMAL0.532
2642MEDIUM POSITIONAL0.170.15
2642MEDIUM THERMAL0.692
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
3-3.0780.386380.26452667683.432
3.078-3.1620.344610.27855167390.936
3.162-3.2540.303480.26657066792.654
3.254-3.3540.352470.27357362898.726
3.354-3.4640.311540.223537591100
3.464-3.5850.295550.261569624100
3.585-3.720.343480.254520568100
3.72-3.8720.346430.242505548100
3.872-4.0440.291540.23949555099.818
4.044-4.2410.255370.248477514100
4.241-4.470.227280.219456484100
4.47-4.7410.271240.198446470100
4.741-5.0680.285380.22238442399.764
5.068-5.4730.327300.238395425100
5.473-5.9940.332320.25339371100
5.994-6.6980.346250.30632234899.713
6.698-7.730.242290.232282311100
7.73-9.4560.201250.189235260100
9.456-13.3240.226240.16193217100
13.324-47.750.318130.2911413296.212
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)
14.504-0.6952-6.642412.8808-2.384310.70630.50081.52790.37660.1032-0.13941.6538-0.6517-1.72-0.3613-0.2627-0.19510.013-0.02740.07310.0568-8.6465-4.8418-19.9071
27.88432.3251-4.990.8536-1.19346.3723-0.55580.2081-0.8546-0.36970.0078-0.44380.24530.5250.548-0.35010.00660.0077-0.43810.024-0.2307-10.9251-13.2464-5.4179
30.0111-0.0591-0.26430.31451.40756.3-0.27021.77140.13253.8967-1.2215-0.9052-6.2447-0.35971.49172.2397-0.1236-0.27390.73260.2930.6871-23.1479-2.921918.5916
48.2298-2.19546.30292.0253-2.610.1935-0.0805-1.0987-0.46620.45620.1533-0.00790.5185-0.1613-0.0728-0.18170.0407-0.0199-0.29460.0527-0.2709-22.658-17.776519.8094
57.80941.4993-5.837610.33360.460439.9019-0.56391.4757-0.9399-0.3146-0.29420.61641.2553-1.95550.8581-0.1604-0.38080.1830.1919-0.26740.0152-10.0337-15.0264-29.0218
65.97972.6316-7.29483.9773-0.307511.888-0.33751.7316-0.64410.182-0.8173-0.46740.7346-2.33921.1549-0.2321-0.22050.09490.9358-0.3829-0.1813-1.3294-9.8734-42.1409
715.5769-7.076-1.09797.96513.241513.9084-0.3186-1.2302-0.2524-0.46830.29250.1264-0.7809-2.09730.02610.2557-0.01390.03620.49270.0255-0.25285.8178-4.3285-67.4017
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
1X-RAY DIFFRACTION1AA39 - 7011 - 42
2X-RAY DIFFRACTION2AA71 - 14743 - 119
3X-RAY DIFFRACTION3AA148 - 158120 - 130
4X-RAY DIFFRACTION4AA159 - 235131 - 207
5X-RAY DIFFRACTION5BB40 - 7012 - 42
6X-RAY DIFFRACTION6BB71 - 14343 - 115
7X-RAY DIFFRACTION7BB158 - 234130 - 206

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