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- PDB-4ljr: Structural insights into the unique single-stranded DNA binding m... -

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Basic information

Entry
Database: PDB / ID: 4ljr
TitleStructural insights into the unique single-stranded DNA binding mode of DNA processing protein A from Helicobacter pylori
Components
  • DNA processing chain A
  • single-stranded DNA
KeywordsDNA BINDING PROTEIN/DNA / DNA processing A domain / Rossmann fold / ssDNA binding / complex / natural recombination mediating protein / DNA BINDING PROTEIN-DNA complex
Function / homology
Function and homology information


DNA-mediated transformation
Similarity search - Function
DNA recombination-mediator protein A / DNA recombination-mediator protein A / Rossmann fold - #450 / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
DNA / DNA (> 10) / DNA processing chain A (DprA)
Similarity search - Component
Biological speciesHelicobacter pylori (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsWang, W.
CitationJournal: Nucleic Acids Res. / Year: 2014
Title: Structural insights into the unique single-stranded DNA-binding mode of Helicobacter pylori DprA.
Authors: Wang, W. / Ding, J. / Zhang, Y. / Hu, Y. / Wang, D.C.
History
DepositionJul 5, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 1, 2014Provider: repository / Type: Initial release
Revision 1.1Jan 29, 2014Group: Database references
Revision 1.2Apr 2, 2014Group: Database references
Revision 1.3Nov 12, 2014Group: Structure summary
Revision 1.4Sep 20, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA processing chain A
B: DNA processing chain A
C: single-stranded DNA
D: single-stranded DNA


Theoretical massNumber of molelcules
Total (without water)70,5894
Polymers70,5894
Non-polymers00
Water6,936385
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3050 Å2
ΔGint-22 kcal/mol
Surface area20330 Å2
MethodPISA
Unit cell
Length a, b, c (Å)37.400, 40.510, 154.680
Angle α, β, γ (deg.)90.00, 92.18, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein DNA processing chain A


Mass: 24692.584 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Helicobacter pylori (bacteria) / Strain: 26695 / Gene: HP0333, HP_0333 / Plasmid: pET22b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 / References: UniProt: O25100
#2: DNA chain single-stranded DNA


Mass: 10601.791 Da / Num. of mol.: 2 / Source method: obtained synthetically
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 385 / 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

Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.2
Details: 15% PEG3350, 100 mM NaAc, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-17A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Nov 28, 2011
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.8→40.51 Å / Num. all: 43477 / Num. obs: 36291 / % possible obs: 83.6 %

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
PHASESphasing
PHENIX(phenix.refine: 1.7_650)refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 4LJL
Resolution: 1.8→33.155 Å / SU ML: 0.22 / σ(F): 0 / Phase error: 24.72 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.2371 1759 5.03 %Random
Rwork0.194 ---
obs0.1962 34988 80.5 %-
Solvent computationShrinkage radii: 0.95 Å / VDW probe radii: 1.2 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 43.5 Å2 / ksol: 0.348 e/Å3
Displacement parameters
Baniso -1Baniso -2Baniso -3
1--2.7783 Å2-0 Å21.3559 Å2
2--7.0078 Å20 Å2
3----4.2295 Å2
Refinement stepCycle: LAST / Resolution: 1.8→33.155 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3318 142 0 385 3845
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0043530
X-RAY DIFFRACTIONf_angle_d0.874804
X-RAY DIFFRACTIONf_dihedral_angle_d13.9331360
X-RAY DIFFRACTIONf_chiral_restr0.059564
X-RAY DIFFRACTIONf_plane_restr0.004593
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.8-1.84870.33421110.26832275X-RAY DIFFRACTION71
1.8487-1.90310.29361080.25642098X-RAY DIFFRACTION67
1.9031-1.96450.44811110.35522000X-RAY DIFFRACTION64
1.9645-2.03470.27531220.20922397X-RAY DIFFRACTION76
2.0347-2.11620.2441320.19922423X-RAY DIFFRACTION77
2.1162-2.21250.23821180.19382469X-RAY DIFFRACTION78
2.2125-2.32910.37591030.27122044X-RAY DIFFRACTION65
2.3291-2.4750.2141200.18962647X-RAY DIFFRACTION83
2.475-2.6660.24631720.20062831X-RAY DIFFRACTION89
2.666-2.93410.25891590.19712931X-RAY DIFFRACTION93
2.9341-3.35830.23891720.18573049X-RAY DIFFRACTION96
3.3583-4.22980.18161750.15763051X-RAY DIFFRACTION95
4.2298-33.16040.19851560.17113014X-RAY DIFFRACTION91
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)
10.44760.2560.05260.427-0.11230.37040.0444-0.0082-0.1419-0.0068-0.1342-0.12520.0965-0.11580.00110.11510.0099-0.00370.1092-0.0360.16718.7643-8.01992.4677
20.1479-0.0931-0.38870.21120.17361.19380.00430.1941-0.0812-0.0862-0.1223-0.01310.1404-0.47920.00630.1211-0.00990.00880.0936-0.03240.19267.3728-5.86186.2797
30.70970.02990.29550.37730.27860.3264-0.0893-0.6978-0.00240.2098-0.01330.10530.1160.1369-0.00480.2094-0.0146-0.03440.3980.01030.140916.3744-4.66327.4294
40.29580.05490.07520.13170.00950.2141-0.0189-0.20660.0619-0.0378-0.0736-0.04570.06470.0468-0.02630.09060.0011-0.01670.1041-0.01410.111519.3208-4.826416.0887
50.7367-0.2925-0.39390.4393-0.33881.0068-0.1609-0.2248-0.3476-0.1202-0.0188-0.1980.3590.42540.07590.12130.0186-0.02040.21020.03310.217226.7858-7.812914.1504
60.087-0.14240.00770.28150.01120.0921-0.06580.194-0.022-0.2177-0.0668-0.12360.06590.238-0.03420.10360.0526-0.0047-0.35730.03120.22418.57460.3633.6128
70.2114-0.02340.31530.45450.15670.636-0.0005-0.45870.1757-0.0299-0.1160.0018-0.0474-0.48650.04550.12940.0481-0.02460.1022-0.10420.200311.43734.406918.0184
80.35450.19590.23140.4141-0.00190.29880.0636-0.32610.2029-0.1299-0.07380.1977-0.05710.11890.01460.19850.0296-0.04780.2954-0.11540.20424.62174.722922.3252
90.1221-0.0221-0.0040.03460.00630.0301-0.00560.0350.1004-0.0688-0.01130.0177-0.1571-0.03320.05670.28770.12020.01870.605-0.5059-0.162211.56679.823934.7415
100.64560.32250.38930.92550.25960.49670.0115-0.8087-0.12870.4731-0.19870.13870.2051-0.3330.0030.2051-0.04260.10710.58070.08440.17924.5931-5.69532.798
110.7953-0.1343-0.01520.3993-0.01970.40340.0297-0.09260.11250.2209-0.0910.1439-0.062-0.05390.02880.2242-0.00480.03050.1443-0.04670.18585.309917.743377.1581
120.19510.0998-0.2321.0093-0.08530.7230.09890.17720.01550.1206-0.15050.4703-0.0681-0.48230.06040.13240.0150.03790.2669-0.06110.2947-3.732515.798769.4853
130.40950.22650.13590.32070.23210.1732-0.11670.49630.072-0.15650.1528-0.089-0.20280.126-0.03790.21960.05710.02940.2863-0.02290.102611.925215.58952.8251
140.6048-0.2974-0.1350.74930.32050.7702-0.00950.065-0.08730.0422-0.04310.06040.00950.00180.01560.16340.00190.02490.1416-0.02550.15529.366913.031167.4689
150.5237-0.07880.25380.3699-0.32350.3705-0.23380.3464-0.23240.0818-0.22730.28480.1395-0.41210.07680.2788-0.03830.06220.4085-0.15440.29261.93125.972653.5137
160.3812-0.25370.00520.6069-0.10210.02890.0626-0.0563-0.14210.1714-0.01750.21550.29630.12580.06540.34280.02770.030.6506-0.22680.210810.12131.132944.1097
170.402-0.0528-0.03040.262-0.02060.0128-0.01910.60270.0824-0.3062-0.1530.0963-0.1916-0.15450.04130.48690.0979-0.13060.6861-0.04220.1612.481716.713543.7065
180.0709-0.159-0.12850.5468-0.09430.84080.02850.307-0.29-0.1424-0.30330.15480.19920.11240.11420.44420.07850.00120.3396-0.01650.287716.2698-2.678665.9996
190.17140.0638-0.19970.29880.28280.7235-0.0126-0.01080.0605-0.0343-0.0241-0.0272-0.05560.0010.01351.4381-0.2622-0.00641.0847-0.27110.829521.649710.38313.4934
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resseq 5:18)
2X-RAY DIFFRACTION2chain 'A' and (resseq 19:41)
3X-RAY DIFFRACTION3chain 'A' and (resseq 42:71)
4X-RAY DIFFRACTION4chain 'A' and (resseq 72:109)
5X-RAY DIFFRACTION5chain 'A' and (resseq 110:122)
6X-RAY DIFFRACTION6chain 'A' and (resseq 123:136)
7X-RAY DIFFRACTION7chain 'A' and (resseq 137:163)
8X-RAY DIFFRACTION8chain 'A' and (resseq 164:182)
9X-RAY DIFFRACTION9chain 'A' and (resseq 183:197)
10X-RAY DIFFRACTION10chain 'A' and (resseq 198:217)
11X-RAY DIFFRACTION11chain 'B' and (resseq 5:18)
12X-RAY DIFFRACTION12chain 'B' and (resseq 19:41)
13X-RAY DIFFRACTION13chain 'B' and (resseq 42:71)
14X-RAY DIFFRACTION14chain 'B' and (resseq 72:150)
15X-RAY DIFFRACTION15chain 'B' and (resseq 151:182)
16X-RAY DIFFRACTION16chain 'B' and (resseq 183:197)
17X-RAY DIFFRACTION17chain 'B' and (resseq 198:217)
18X-RAY DIFFRACTION18chain 'C'
19X-RAY DIFFRACTION19chain 'D'

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