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- PDB-4qyz: Crystal structure of a CRISPR RNA-guided surveillance complex, Ca... -

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Basic information

Entry
Database: PDB / ID: 4qyz
TitleCrystal structure of a CRISPR RNA-guided surveillance complex, Cascade, bound to a ssDNA target
Components
  • (CRISPR system Cascade subunit ...) x 5
  • DNA (33-MER)
  • RNA (55-MER)
KeywordsIMMUNE SYSTEM/DNA/RNA / CRISPR-Associated / Bacterial Immunity / Cas3 / IMMUNE SYSTEM-DNA-RNA complex
Function / homology
Function and homology information


CRISPR-cas system / DNA/RNA hybrid binding / maintenance of CRISPR repeat elements / RNA processing / RNA endonuclease activity / defense response to virus / Hydrolases; Acting on ester bonds / nucleic acid binding / protein-containing complex / DNA binding ...CRISPR-cas system / DNA/RNA hybrid binding / maintenance of CRISPR repeat elements / RNA processing / RNA endonuclease activity / defense response to virus / Hydrolases; Acting on ester bonds / nucleic acid binding / protein-containing complex / DNA binding / RNA binding / zinc ion binding
Similarity search - Function
CRISPR-associated protein Cse2 / Crispr-associated protein; domain 1 / Alpha-Beta Plaits - #2660 / CRISPR-associated protein, CT1975 / CT1975-like protein / CRISPR-associated protein, CasD / CRISPR-associated protein Cse2 / Cse2 superfamily / CRISPR-associated protein Cse2 (CRISPR_cse2) / CRISPR-associated protein Cse1 ...CRISPR-associated protein Cse2 / Crispr-associated protein; domain 1 / Alpha-Beta Plaits - #2660 / CRISPR-associated protein, CT1975 / CT1975-like protein / CRISPR-associated protein, CasD / CRISPR-associated protein Cse2 / Cse2 superfamily / CRISPR-associated protein Cse2 (CRISPR_cse2) / CRISPR-associated protein Cse1 / CRISPR-associated protein Cse1 (CRISPR_cse1) / CRISPR-associated protein Cse3 / CRISPR associated protein / CRISPR_assoc / CRISPR-associated protein, Cas5 / CRISPR-associated protein (Cas_Cas5) / CRISPR-associated protein Cas5, N-terminal / Peroxidase; domain 1 / Alpha-Beta Plaits / 2-Layer Sandwich / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
DNA / DNA (> 10) / RNA / RNA (> 10) / CRISPR system Cascade subunit CasB / CRISPR system Cascade subunit CasE / CRISPR system Cascade subunit CasD / CRISPR system Cascade subunit CasC / CRISPR system Cascade subunit CasA
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Enterobacteria phage lambda (virus)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 3.0303 Å
AuthorsMulepati, S. / Bailey, S.
CitationJournal: Science / Year: 2014
Title: Structural biology. Crystal structure of a CRISPR RNA-guided surveillance complex bound to a ssDNA target.
Authors: Mulepati, S. / Heroux, A. / Bailey, S.
History
DepositionJul 26, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 3, 2014Provider: repository / Type: Initial release
Revision 1.1Oct 1, 2014Group: Database references

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: CRISPR system Cascade subunit CasA
B: CRISPR system Cascade subunit CasB
C: CRISPR system Cascade subunit CasB
D: CRISPR system Cascade subunit CasC
E: CRISPR system Cascade subunit CasC
F: CRISPR system Cascade subunit CasC
G: CRISPR system Cascade subunit CasC
H: CRISPR system Cascade subunit CasC
I: CRISPR system Cascade subunit CasC
J: CRISPR system Cascade subunit CasD
K: CRISPR system Cascade subunit CasE
L: RNA (55-MER)
M: DNA (33-MER)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)413,40014
Polymers413,33513
Non-polymers651
Water0
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area55530 Å2
ΔGint-274 kcal/mol
Surface area125990 Å2
MethodPISA
Unit cell
Length a, b, c (Å)223.869, 223.869, 290.651
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-ID
11
22
/ NCS ensembles :
ID
1
2

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Components

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CRISPR system Cascade subunit ... , 5 types, 11 molecules ABCDEFGHIJK

#1: Protein CRISPR system Cascade subunit CasA / CRISPR type I-E/Ecoli-associated protein CasA/Cse1 / CRISPR-associated protein CasA/Cse1


Mass: 55964.957 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: casA, cse1, ygcL, b2760, JW2730 / Production host: Escherichia coli (E. coli) / References: UniProt: Q46901
#2: Protein CRISPR system Cascade subunit CasB


Mass: 18728.525 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: casB, cse2, ygcK, b2759, JW2729 / Production host: Escherichia coli (E. coli) / References: UniProt: P76632
#3: Protein
CRISPR system Cascade subunit CasC


Mass: 40071.402 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: casC, cas4, cse4, ygcJ, b2758, JW2728 / Production host: Escherichia coli (E. coli) / References: UniProt: Q46899
#4: Protein CRISPR system Cascade subunit CasD


Mass: 25239.803 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: casD, cas5, ygcI, b2757, JW5844 / Production host: Escherichia coli (E. coli) / References: UniProt: Q46898
#5: Protein CRISPR system Cascade subunit CasE / CasE endoRNase / crRNA endonuclease


Mass: 22324.002 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: casE, cas6e, ygcH, b2756, JW2726 / Production host: Escherichia coli (E. coli)
References: UniProt: Q46897, Hydrolases; Acting on ester bonds

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RNA chain / DNA chain / Non-polymers , 3 types, 3 molecules LM

#6: RNA chain RNA (55-MER)


Mass: 19734.770 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: crRNA / Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli)
#7: DNA chain DNA (33-MER)


Mass: 12185.856 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: This sequence is from lambda phage / Source: (synth.) Enterobacteria phage lambda (virus)
#8: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn

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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: 5.09 Å3/Da / Density % sol: 75.82 %
Crystal growTemperature: 298 K / Method: vapor diffusion / pH: 5
Details: 0.1 M sodium cacodylate, 0.1 M calcium acetate, 10% PEG 8,000, pH 5.0, VAPOR DIFFUSION, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL12-2 / Wavelength: 1.2131 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jan 20, 2014
RadiationMonochromator: Liquid nitrogen-cooled double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.2131 Å / Relative weight: 1
ReflectionResolution: 3.03→39.473 Å / Num. all: 16404 / Num. obs: 163355 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3.7
Reflection shellResolution: 3.03→3.05 Å / % possible all: 96.4

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Processing

Software
NameVersionClassification
Blu-Icedata collection
SOLVEphasing
PHENIX(phenix.refine: 1.9_1692)refinement
XDSdata reduction
Aimlessdata scaling
RefinementMethod to determine structure: SAD / Resolution: 3.0303→39.473 Å / SU ML: 0.48 / σ(F): 1.33 / Phase error: 27.49 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2672 7915 5.05 %
Rwork0.2235 --
obs0.2257 156727 96.2 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 3.0303→39.473 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms24694 1848 1 0 26543
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.01227209
X-RAY DIFFRACTIONf_angle_d1.52437157
X-RAY DIFFRACTIONf_dihedral_angle_d20.09210295
X-RAY DIFFRACTIONf_chiral_restr0.0614183
X-RAY DIFFRACTIONf_plane_restr0.0074511
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
3.0303-3.06470.36182600.3224580X-RAY DIFFRACTION90
3.0647-3.10080.34832840.30985005X-RAY DIFFRACTION99
3.1008-3.13860.35892540.29625085X-RAY DIFFRACTION99
3.1386-3.17830.33132750.28725059X-RAY DIFFRACTION99
3.1783-3.22010.35322520.30455094X-RAY DIFFRACTION99
3.2201-3.26420.38782710.32455090X-RAY DIFFRACTION99
3.2642-3.31080.36422620.31195092X-RAY DIFFRACTION99
3.3108-3.36020.3652660.30385114X-RAY DIFFRACTION100
3.3602-3.41270.51652500.42674415X-RAY DIFFRACTION87
3.4127-3.46860.5622200.48574027X-RAY DIFFRACTION78
3.4686-3.52830.34022860.29235061X-RAY DIFFRACTION99
3.5283-3.59250.28412850.24415074X-RAY DIFFRACTION99
3.5925-3.66150.49922250.41834153X-RAY DIFFRACTION81
3.6615-3.73620.47662300.40964330X-RAY DIFFRACTION84
3.7362-3.81740.2992520.25925109X-RAY DIFFRACTION100
3.8174-3.90610.56212350.44754441X-RAY DIFFRACTION86
3.9061-4.00370.31642430.25454599X-RAY DIFFRACTION90
4.0037-4.11180.22012650.17875103X-RAY DIFFRACTION99
4.1118-4.23270.21712830.16845110X-RAY DIFFRACTION99
4.2327-4.36910.19322840.15545132X-RAY DIFFRACTION100
4.3691-4.52510.18612500.15055136X-RAY DIFFRACTION99
4.5251-4.7060.16942520.13925145X-RAY DIFFRACTION100
4.706-4.91980.16743120.13765115X-RAY DIFFRACTION100
4.9198-5.17860.18722610.15045190X-RAY DIFFRACTION100
5.1786-5.50230.21282880.16285170X-RAY DIFFRACTION100
5.5023-5.92580.23272780.1735207X-RAY DIFFRACTION100
5.9258-6.51980.21222330.17515229X-RAY DIFFRACTION100
6.5198-7.45770.21672730.1755274X-RAY DIFFRACTION100
7.4577-9.37510.17562930.1525250X-RAY DIFFRACTION100
9.3751-39.47660.20512930.19595423X-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)
12.6274-1.18010.70391.3112-0.51870.91630.03570.2946-0.0551-0.0375-0.1258-0.2366-0.05130.15940.08450.82550.26390.04730.72540.01350.513444.5465126.009110.2749
24.01182.6513-1.03762.8786-1.97492.9896-0.1912-0.12740.35910.34920.2870.5204-0.8869-0.7864-0.10011.5680.6232-0.00771.0499-0.08230.777670.450397.847590.3711
32.8688-0.2078-1.49854.79132.68156.314-0.16740.43180.53290.1453-0.07080.1159-1.6151-0.77520.24041.21450.2362-0.16760.68890.09530.677383.5083105.70853.8509
41.8031-0.0668-0.25542.16740.1870.90750.0184-0.49610.56190.6773-0.0250.184-0.8239-0.19520.01371.94470.29460.03461.1392-0.24460.686286.512793.6726129.5121
51.90090.2824-0.5471.2866-0.43561.965-0.04-0.40060.49210.52070.0166-0.0678-0.77070.2040.00641.51930.1132-0.15550.836-0.15820.5617105.169892.9134104.612
61.44490.1889-0.04780.9476-0.19511.3414-0.0619-0.0270.12970.27110.0133-0.0368-0.40030.35560.05861.00590.109-0.11870.6618-0.00450.3982108.936680.387475.1988
71.43670.31750.56081.15090.32191.27860.03630.2506-0.16610-0.0464-0.05340.03450.15910.030.87090.2976-0.01830.59460.03820.467491.61669.132950.3572
82.2320.46090.79420.8075-0.12141.44690.11990.1858-0.3637-0.02430.08360.18340.24840.0209-0.21770.82680.28080.00430.54830.05840.595362.468370.313737.3141
93.8795-0.1733-0.2232.2777-0.23762.42920.0074-0.3416-0.00730.49170.18530.7043-0.142-0.5829-0.20040.81090.28170.13210.720.20930.650741.47189.887744.6938
103.0429-1.8151-0.22344.8760.75442.282-0.2236-0.04960.45110.44540.35350.6452-0.7549-0.7602-0.13520.94770.39640.15130.8730.20430.725833.5274114.125435.4922
116.4984-0.67620.21037.87421.59175.69620.32120.9215-0.3471-1.9719-0.3950.9252-0.0546-1.1720.06321.31360.1457-0.03621.2698-0.09111.041563.817159.0281117.7887
120.3796-0.20140.93650.0836-0.36331.31030.0346-0.378-0.0020.32060.09960.2903-0.1371-0.6373-0.1741.33890.18160.08560.897-0.01090.827467.79184.690880.257
131.10710.02350.24090.36670.43172.2956-0.15690.01820.09380.4120.22760.2459-0.76090.1774-0.06871.55810.4185-0.05620.56370.16770.66282.666495.466466.4462
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain A
2X-RAY DIFFRACTION2chain B
3X-RAY DIFFRACTION3chain C
4X-RAY DIFFRACTION4chain D
5X-RAY DIFFRACTION5chain E
6X-RAY DIFFRACTION6chain F
7X-RAY DIFFRACTION7chain G
8X-RAY DIFFRACTION8chain H
9X-RAY DIFFRACTION9chain I
10X-RAY DIFFRACTION10chain J
11X-RAY DIFFRACTION11chain K
12X-RAY DIFFRACTION12chain L
13X-RAY DIFFRACTION13chain M

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