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- PDB-3nkd: Structure of CRISP-associated protein Cas1 from Escherichia coli ... -

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Basic information

Entry
Database: PDB / ID: 3nkd
TitleStructure of CRISP-associated protein Cas1 from Escherichia coli str. K-12
ComponentsCRISPR-associated protein Cas1
KeywordsIMMUNE SYSTEM / CRISPR / Cas1 / YgbT / Nuclease / DNA recombination / DNA repair
Function / homology
Function and homology information


CRISPR-cas system / crossover junction DNA endonuclease activity / 5'-flap endonuclease activity / maintenance of CRISPR repeat elements / defense response to virus / Hydrolases; Acting on ester bonds / DNA repair / DNA damage response / protein homodimerization activity / DNA binding ...CRISPR-cas system / crossover junction DNA endonuclease activity / 5'-flap endonuclease activity / maintenance of CRISPR repeat elements / defense response to virus / Hydrolases; Acting on ester bonds / DNA repair / DNA damage response / protein homodimerization activity / DNA binding / identical protein binding / metal ion binding / cytoplasm
Similarity search - Function
CRISPR-associated protein Cas1, ECOLI subtype / CRISPR-associated protein Cas1, type I-E / CRISPR-associated endonuclease Cas1, N-terminal domain / CRISPR-associated endonuclease Cas1, C-terminal domain / CRISPR-associated endonuclease Cas1, N-terminal domain / CRISPR-associated protein Cas1 / CRISPR-associated endonuclease Cas1, C-terminal domain / CRISPR associated protein Cas1 / Ribosomal Protein L15; Chain: K; domain 2 / Ribosomal Protein L15; Chain: K; domain 2 ...CRISPR-associated protein Cas1, ECOLI subtype / CRISPR-associated protein Cas1, type I-E / CRISPR-associated endonuclease Cas1, N-terminal domain / CRISPR-associated endonuclease Cas1, C-terminal domain / CRISPR-associated endonuclease Cas1, N-terminal domain / CRISPR-associated protein Cas1 / CRISPR-associated endonuclease Cas1, C-terminal domain / CRISPR associated protein Cas1 / Ribosomal Protein L15; Chain: K; domain 2 / Ribosomal Protein L15; Chain: K; domain 2 / Four Helix Bundle (Hemerythrin (Met), subunit A) / Up-down Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
: / CRISPR-associated endonuclease Cas1
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.95 Å
AuthorsNocek, B. / Skarina, T. / Beloglazova, N. / Savchenko, A. / Joachimiak, A. / Yakunin, A.
CitationJournal: Mol.Microbiol. / Year: 2011
Title: A dual function of the CRISPR-Cas system in bacterial antivirus immunity and DNA repair.
Authors: Babu, M. / Beloglazova, N. / Flick, R. / Graham, C. / Skarina, T. / Nocek, B. / Gagarinova, A. / Pogoutse, O. / Brown, G. / Binkowski, A. / Phanse, S. / Joachimiak, A. / Koonin, E.V. / ...Authors: Babu, M. / Beloglazova, N. / Flick, R. / Graham, C. / Skarina, T. / Nocek, B. / Gagarinova, A. / Pogoutse, O. / Brown, G. / Binkowski, A. / Phanse, S. / Joachimiak, A. / Koonin, E.V. / Savchenko, A. / Emili, A. / Greenblatt, J. / Edwards, A.M. / Yakunin, A.F.
History
DepositionJun 18, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 25, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: CRISPR-associated protein Cas1
B: CRISPR-associated protein Cas1


Theoretical massNumber of molelcules
Total (without water)66,4712
Polymers66,4712
Non-polymers00
Water4,792266
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3350 Å2
ΔGint-26 kcal/mol
Surface area23060 Å2
MethodPISA
Unit cell
Length a, b, c (Å)78.674, 79.300, 101.562
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 CRISPR-associated protein Cas1


Mass: 33235.418 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: EcDH1_0933 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21DE3 / References: UniProt: C9R0C6, UniProt: Q46896*PLUS
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 266 / 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: 2.38 Å3/Da / Density % sol: 48.39 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 0.1 M bis-Tris, 0.1 M Na formate, 0.1 M Li-sulfate, 0.3M NDSB 211, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.9794 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Apr 29, 2010 / Details: mirrors
RadiationMonochromator: double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9794 Å / Relative weight: 1
ReflectionResolution: 1.95→35.24 Å / Num. all: 47050 / Num. obs: 46873 / % possible obs: 99.6 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 9.6 % / Biso Wilson estimate: 35.4 Å2 / Rmerge(I) obs: 0.095 / Net I/σ(I): 25
Reflection shellResolution: 1.95→1.98 Å / Redundancy: 9.6 % / Rmerge(I) obs: 0.55 / Mean I/σ(I) obs: 4 / Num. unique all: 2330 / % possible all: 100

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Processing

Software
NameVersionClassification
SBC-Collectdata collection
PHASERphasing
REFMAC5.5.0109refinement
HKL-3000data reduction
HKL-3000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.95→35.24 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.915 / SU B: 10.028 / SU ML: 0.125 / Cross valid method: THROUGHOUT / σ(F): 2 / σ(I): 2 / ESU R Free: 0.162 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.25855 2336 5.1 %RANDOM
Rwork0.21723 ---
all0.22 46061 --
obs0.21959 43725 98.43 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 26.92 Å2
Baniso -1Baniso -2Baniso -3
1--0.32 Å20 Å20 Å2
2--0.1 Å20 Å2
3---0.22 Å2
Refinement stepCycle: LAST / Resolution: 1.95→35.24 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3976 0 0 266 4242
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0210.0224046
X-RAY DIFFRACTIONr_bond_other_d0.0010.022803
X-RAY DIFFRACTIONr_angle_refined_deg1.711.9775484
X-RAY DIFFRACTIONr_angle_other_deg0.98636790
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.8255518
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.61122.037162
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.42115675
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.6161543
X-RAY DIFFRACTIONr_chiral_restr0.1120.2638
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.0214494
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02845
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.9921.52592
X-RAY DIFFRACTIONr_mcbond_other0.2871.51062
X-RAY DIFFRACTIONr_mcangle_it1.73824156
X-RAY DIFFRACTIONr_scbond_it2.69531454
X-RAY DIFFRACTIONr_scangle_it4.4374.51328
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.95→2.004 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.352 182 -
Rwork0.3 3193 -
obs--98.86 %
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)
14.3366-2.0055-3.42884.74133.0823.29870.01380.01050.01550.03990.0378-0.08780.0080.0178-0.05150.01760.0285-0.03190.14780.00430.089733.432933.960725.9732
23.56381.3395-2.71773.4999-0.11432.6615-0.0165-0.14680.12980.35370.0496-0.01950.05010.0654-0.03310.06510.0019-0.0230.1833-0.01080.109134.186745.04233.5877
31.12710.5034-0.3781.8834-0.02140.57440.0202-0.1605-0.04430.17620.00610.0571-0.00930.0331-0.02640.02520.0054-0.01160.1338-0.00860.073332.501340.686429.5743
48.4685-3.6043-5.88356.9014.06139.07320.12260.01070.3466-0.26690.1473-0.3462-0.29940.086-0.26990.0204-0.01290.00550.10940.01710.100136.162848.304220.526
50.40870.15040.32572.4150.17951.6822-0.01250.03440.0460.11880.04980.13560.028-0.1491-0.03740.00880.0074-0.00210.13670.00210.116924.527535.79919.7712
60.3444-0.3674-0.05023.01760.21550.9560.03340.09270.0017-0.1741-0.0428-0.19140.17510.04040.00950.08960.0085-0.01080.0534-0.01590.057632.983519.67861.128
73.43432.385-0.62042.0967-0.73590.3234-0.1171-0.018-0.0015-0.0930.19140.0750.0376-0.1519-0.07420.25240.0639-0.09350.13970.00550.078224.29658.40264.9642
84.4436-1.50511.77883.1218-0.87573.80680.0979-0.0418-0.2063-0.12580.00850.22960.3709-0.0462-0.10640.0472-0.0154-0.03770.06770.01440.123627.85662.426622.8427
95.68722.27321.90342.65955.101911.41560.31690.18610.04340.2141-0.1435-0.02050.2651-0.4332-0.17340.31060.07030.06870.20030.07360.35517.46727.129227.9038
100.77551.145-0.4146.3412-2.3591.2583-0.0276-0.0653-0.08640.19150.03040.2152-0.1531-0.0604-0.00280.03580.00760.0210.11410.00710.115823.137119.131722.7476
110.4699-0.65440.28044.4944-0.08151.92550.07440.07640.0443-0.1334-0.01870.21520.16140.0463-0.05570.02160.0028-0.0090.11740.00330.09825.42325.09048.4183
125.0457-1.16710.81994.4063-5.58897.4925-0.066-0.0958-0.01170.12830.0605-0.0527-0.16810.04960.00550.07380.0155-0.00640.05990.00440.096630.028312.659723.6762
135.7557-7.487-4.3079.77265.62653.2532-0.3183-0.42860.1090.48370.4976-0.16760.29520.3631-0.17930.5230.0178-0.03930.3605-0.06290.206328.32310.152738.064
142.54341.2336-2.87990.7869-1.5644.68830.0475-0.0789-0.01730.0999-0.02510.01160.02330.1946-0.02240.08730.0298-0.00740.0469-0.00370.089330.180421.866827.0415
150.3911.13470.31148.0019-4.62387.3101-0.0062-0.0005-0.07420.0222-0.0786-0.38390.05370.35560.08480.0370.03320.03530.1339-0.0340.143139.986325.33582.6334
167.86632.39265.34872.24893.43575.9190.06970.08550.1812-0.0966-0.09030.0922-0.1157-0.17130.02060.09890.0243-0.00080.1560.06860.185412.775453.079111.8405
175.32342.4067-0.31665.15340.94773.4901-0.03870.01810.3443-0.06250.096-0.1073-0.2861-0.0998-0.05730.070.06420.00970.11780.0390.113915.701550.701728.1079
182.63-0.98420.97252.40314.708514.28830.0031-0.21250.25150.03260.0984-0.0605-0.3875-0.4073-0.10150.25280.07270.02870.17330.0380.234812.073153.815624.8122
193.68490.4343.18083.69140.93457.4256-0.0302-0.09810.0478-0.00780.02230.0904-0.5812-0.29660.00790.07710.01370.03960.1007-0.00740.140624.017454.144621.9326
201.6649-0.06110.93440.4557-1.16583.34790.0381-0.0395-0.0635-0.03540.10070.04530.105-0.272-0.13880.00930.008-0.02750.14630.00140.132917.058642.731420.999
212.38312.8601-1.55859.3165-1.87732.8233-0.0668-0.07160.0610.05820.08440.0883-0.23490.0132-0.01760.05010.0041-0.01570.11380.00860.061326.914649.884615.2561
220.2488-0.0330.10672.1795-0.19442.06090.05560.0117-0.0059-0.1765-0.00080.0012-0.04650.0007-0.05490.03480.0091-0.01890.10410.00940.078625.626644.0894-10.0337
236.43253.16271.577111.392910.531222.7584-0.05070.4635-0.2788-0.94850.2117-0.4892-0.57530.1425-0.16110.11270.00790.06510.07930.0130.071435.719550.0945-18.3208
241.6278-1.2366-0.51043.85283.00372.57980.0061-0.01370.1372-0.41520.1364-0.3214-0.31890.1207-0.14250.1462-0.04190.06980.07730.01830.164133.248964.4729-8.1113
251.84011.2261-1.06935.4749-0.6143.26780.0541-0.2312-0.01040.0862-0.0256-0.406-0.01780.2322-0.02860.0477-0.0122-0.050.0425-0.01310.097332.301969.08913.9071
260.5384-0.83560.03472.1341-0.01460.41760.03660.00130.0968-0.0144-0.0858-0.05690.04040.01160.04920.0266-0.0161-0.01770.1163-0.00360.090626.208948.20371.6209
271.14712.15821.50645.49532.99573.97380.06410.03520.1050.0717-0.27940.2382-0.0116-0.30480.21530.10870.0114-0.05170.1383-0.01940.095623.254766.5040.6104
286.4579-1.75891.58439.4721-2.665110.3260.2731-0.15230.2146-0.0892-0.20750.13790.3480.1973-0.06550.1719-0.0161-0.03350.0277-0.02640.050226.697275.421110.7972
295.63752.49763.03156.32190.90014.23990.266-0.04350.20360.686-0.21860.5039-0.1798-0.3147-0.04740.13190.01820.04340.0487-0.01510.087616.325262.92058.8627
300.1640.2162-0.45671.51411.85466.2921-0.0084-0.00120.027-0.179-0.0930.146-0.1909-0.25510.10140.06050.0043-0.04630.10720.00250.115417.389843.9836-7.757
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A13 - 23
2X-RAY DIFFRACTION2A24 - 37
3X-RAY DIFFRACTION3A38 - 62
4X-RAY DIFFRACTION4A63 - 72
5X-RAY DIFFRACTION5A73 - 92
6X-RAY DIFFRACTION6A93 - 134
7X-RAY DIFFRACTION7A135 - 145
8X-RAY DIFFRACTION8A146 - 162
9X-RAY DIFFRACTION9A163 - 175
10X-RAY DIFFRACTION10A176 - 194
11X-RAY DIFFRACTION11A195 - 223
12X-RAY DIFFRACTION12A224 - 235
13X-RAY DIFFRACTION13A236 - 244
14X-RAY DIFFRACTION14A245 - 268
15X-RAY DIFFRACTION15A269 - 280
16X-RAY DIFFRACTION16B9 - 20
17X-RAY DIFFRACTION17B21 - 34
18X-RAY DIFFRACTION18B35 - 50
19X-RAY DIFFRACTION19B51 - 59
20X-RAY DIFFRACTION20B60 - 74
21X-RAY DIFFRACTION21B75 - 91
22X-RAY DIFFRACTION22B92 - 130
23X-RAY DIFFRACTION23B131 - 137
24X-RAY DIFFRACTION24B138 - 154
25X-RAY DIFFRACTION25B155 - 185
26X-RAY DIFFRACTION26B186 - 222
27X-RAY DIFFRACTION27B223 - 235
28X-RAY DIFFRACTION28B236 - 243
29X-RAY DIFFRACTION29B244 - 262
30X-RAY DIFFRACTION30B263 - 280

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