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- PDB-4lnq: Crystal structure of Ifi202 HINa domain in complex with 20bp dsDNA -

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Basic information

Entry
Database: PDB / ID: 4lnq
TitleCrystal structure of Ifi202 HINa domain in complex with 20bp dsDNA
Components
  • 20bp DNA
  • Interferon-activable protein 202
KeywordsDNA BINDING PROTEIN/DNA / OB fold / DNA binding / DNA BINDING PROTEIN-DNA complex
Function / homology
Function and homology information


negative regulation of AIM2 inflammasome complex assembly / cellular response to interferon-beta / negative regulation of innate immune response / activation of innate immune response / negative regulation of cysteine-type endopeptidase activity involved in apoptotic process / protein homooligomerization / double-stranded DNA binding / protein homotetramerization / molecular adaptor activity / inflammatory response ...negative regulation of AIM2 inflammasome complex assembly / cellular response to interferon-beta / negative regulation of innate immune response / activation of innate immune response / negative regulation of cysteine-type endopeptidase activity involved in apoptotic process / protein homooligomerization / double-stranded DNA binding / protein homotetramerization / molecular adaptor activity / inflammatory response / innate immune response / nucleolus / nucleoplasm / nucleus / cytosol / cytoplasm
Similarity search - Function
HIN-200/IF120x / HIN-200 family / HIN-200/IF120x domain / HIN-200 A and B domains profile. / Nucleic acid-binding proteins / OB fold (Dihydrolipoamide Acetyltransferase, E2P) / Nucleic acid-binding, OB-fold / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
DNA / DNA (> 10) / Interferon-activable protein 202
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsLi, H. / Wang, Z.-X. / Wu, J.-W.
CitationJournal: Acta Crystallogr F Struct Biol Commun / Year: 2014
Title: Structural mechanism of DNA recognition by the p202 HINa domain: insights into the inhibition of Aim2-mediated inflammatory signalling.
Authors: Li, H. / Wang, J. / Wang, J. / Cao, L.S. / Wang, Z.X. / Wu, J.W.
History
DepositionJul 12, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 8, 2014Provider: repository / Type: Initial release
Revision 1.1Feb 12, 2014Group: Database references
Revision 1.2Sep 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: Interferon-activable protein 202
B: Interferon-activable protein 202
C: 20bp DNA
D: 20bp DNA


Theoretical massNumber of molelcules
Total (without water)57,4644
Polymers57,4644
Non-polymers00
Water5,891327
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4270 Å2
ΔGint-37 kcal/mol
Surface area26750 Å2
MethodPISA
Unit cell
Length a, b, c (Å)95.353, 105.566, 65.143
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein Interferon-activable protein 202 / Ifi-202 / Interferon-inducible protein p202 / Lupus susceptibility protein p202


Mass: 22599.061 Da / Num. of mol.: 2 / Fragment: UNP residues 53-245
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Ifi202, Ifi202a, Ifi202b / Plasmid: pETduet-1 / Production host: Escherichia coli (E. coli) / Strain (production host): JM109(DE3) / References: UniProt: Q9R002
#2: DNA chain 20bp DNA


Mass: 6132.991 Da / Num. of mol.: 2 / Source method: obtained synthetically / Details: dsDNA(5'-CCATCAAAGATCTTTGATGG-3')
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 327 / 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: 2.86 Å3/Da / Density % sol: 56.95 %
Crystal growTemperature: 294 K / Method: vapor diffusion, hanging drop / pH: 5.5
Details: 0.1 M Bis-Tris, pH 5.5, 0.2M ammonium acetate, 10mM strontium chloride and 17% PEG3350, VAPOR DIFFUSION, HANGING DROP, temperature 294K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL17U / Wavelength: 0.97915 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Oct 4, 2012
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97915 Å / Relative weight: 1
ReflectionResolution: 2→40 Å / Num. obs: 44832 / % possible obs: 99.7 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 7.8 % / Rmerge(I) obs: 0.096 / Net I/σ(I): 27.4
Reflection shellResolution: 2→2.07 Å / Redundancy: 7.9 % / Rmerge(I) obs: 0.634 / Mean I/σ(I) obs: 4.4 / % possible all: 99.7

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Processing

Software
NameVersionClassification
HKL-2000data collection
PHASERphasing
PHENIX(phenix.refine: 1.7.3_928)refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3B6Y
Resolution: 2→36.148 Å / SU ML: 0.26 / σ(F): 1.34 / Phase error: 24.3 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2343 2253 5.04 %
Rwork0.1999 --
obs0.2016 44746 99.38 %
all-31663 -
Solvent computationShrinkage radii: 0.86 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 40.39 Å2 / ksol: 0.35 e/Å3
Displacement parameters
Baniso -1Baniso -2Baniso -3
1--7.3539 Å20 Å20 Å2
2--11.8543 Å2-0 Å2
3----4.5004 Å2
Refinement stepCycle: LAST / Resolution: 2→36.148 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3123 814 0 327 4264
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0084097
X-RAY DIFFRACTIONf_angle_d1.1165675
X-RAY DIFFRACTIONf_dihedral_angle_d22.0791605
X-RAY DIFFRACTIONf_chiral_restr0.077627
X-RAY DIFFRACTIONf_plane_restr0.004579
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2-2.04570.31871360.25772502X-RAY DIFFRACTION95
2.0457-2.09330.26351490.24512634X-RAY DIFFRACTION100
2.0933-2.14570.30741380.22542626X-RAY DIFFRACTION100
2.1457-2.20370.2781360.22032616X-RAY DIFFRACTION100
2.2037-2.26850.29061280.21572659X-RAY DIFFRACTION100
2.2685-2.34170.29831260.21912648X-RAY DIFFRACTION100
2.3417-2.42540.3051470.22372627X-RAY DIFFRACTION100
2.4254-2.52250.23421400.20882660X-RAY DIFFRACTION100
2.5225-2.63720.26981520.20772632X-RAY DIFFRACTION100
2.6372-2.77620.27331370.21182633X-RAY DIFFRACTION100
2.7762-2.95010.2611450.21952692X-RAY DIFFRACTION100
2.9501-3.17780.24421510.22062658X-RAY DIFFRACTION100
3.1778-3.49730.2441440.20372652X-RAY DIFFRACTION99
3.4973-4.00280.22171500.19132702X-RAY DIFFRACTION100
4.0028-5.04090.16931460.15412738X-RAY DIFFRACTION100
5.0409-36.15340.18911280.18972814X-RAY DIFFRACTION98
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)
11.63322.7001-2.07858.2781-3.71937.5469-0.04210.2951-0.82770.15380.18590.31390.3936-1.3807-0.10040.2452-0.0861-0.04210.37350.02040.378424.5603119.1686-18.6104
23.74582.1629-1.47375.4419-1.89835.1533-0.33230.0538-0.5287-0.05010.0216-0.01380.5371-0.25680.18710.248-0.02670.08050.1318-0.06920.34629.5535110.6375-6.2881
34.09740.7559-0.18995.2206-0.57983.9295-0.14550.1593-0.5167-0.10740.017-0.24470.13220.29880.09280.1694-0.03350.07040.1173-0.03490.270435.0472115.7809-11.5178
43.7879-0.5762-2.19444.93861.44516.1951-0.08090.4626-0.7004-0.3750.13060.03140.5597-0.1067-0.02150.2585-0.05860.03240.1282-0.08290.365130.5407114.2366-16.1139
53.7729-3.6293-4.44555.57194.92147.4966-0.40770.4801-0.6463-0.49710.4726-0.7840.12030.8371-0.1820.2509-0.18090.24390.4723-0.14870.614747.9671120.4155-16.3576
67.4628-0.8634-5.79250.98480.47285.58870.2169-0.66240.79280.080.0406-0.3771-0.65620.6725-0.25880.3476-0.12830.00350.1571-0.04580.295234.7933130.27792.108
75.46761.7681-0.81673.45610.22944.36130.2263-0.6286-0.16030.5331-0.04940.0757-0.22970.1124-0.16050.22090.02490.04990.17470.01960.204822.3362120.919910.0923
84.99411.78181.44282.12952.83664.93870.1546-0.5984-0.54870.39280.0147-0.37550.29650.2183-0.11320.18830.00150.00290.18520.07750.179224.4323116.791711.3442
97.14020.19911.01456.35120.44016.8151-0.0347-0.2564-0.00060.15670.1070.2365-0.3062-0.1572-0.09060.1619-0.02310.05920.11710.03450.150822.5028120.97624.4305
107.02570.5753-0.0154.7591.86576.7451-0.1175-1.1580.13840.6280.21070.2214-0.0887-0.67780.0010.28310.12710.07130.38530.06610.2957-24.2477120.878344.7245
111.8425-2.89980.55856.42750.07377.08110.0161-0.2088-0.90280.02190.0754-0.48011.11150.5608-0.26650.3540.09530.05280.20040.11250.5346-13.8101107.502433.1024
126.5671-2.0689-1.7793.27740.56324.75030.0231-0.4836-0.57340.11460.21160.38750.048-0.7008-0.1250.19740.03670.06940.34690.11830.2806-26.2163116.292238.9375
135.14990.2388-1.41642.2573-0.5162.39240.0007-1.1164-0.40780.54030.26880.3524-0.1525-0.351-0.07040.25980.08960.06880.5170.0710.2536-25.8967118.659245.107
143.15770.0593-1.60181.7911-0.56983.7389-0.1315-0.07430.30430.32220.22970.4206-0.3311-0.5425-0.26670.24060.1150.05510.1924-0.01530.2697-25.3202130.328125.8082
154.3242-2.4474-0.40013.73190.05872.29190.1860.5251-0.2417-0.616-0.062-0.1217-0.11890.0003-0.09330.2253-0.01630.03110.1318-0.08330.2496-13.2864122.521917.3761
166.7332-1.51671.55195.65132.69522.10260.54490.8631-1.629-0.41370.1812-0.47780.51610.667-0.70190.4473-0.00650.01430.3298-0.18060.7382-14.0772111.44516.0317
176.0844-0.26330.92314.8381-0.486.1927-0.03670.03180.0215-0.45040.0369-0.0437-0.07170.09070.04430.13930.02790.0660.0006-0.05850.1785-13.7839120.492322.6957
180.2969-0.0038-0.15890.1517-0.05691.12950.2802-0.13850.2028-0.02960.08630.01990.0608-0.13750.58520.16270.05220.06590.4958-0.1836-0.04524.9485122.584814.3971
190.2391-0.01750.01370.17810.09320.04750.10250.13190.2163-0.03430.14840.03090.05890.11730.09310.2257-0.03830.01920.48950.07420.10944.6191122.427213.9915
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resseq 49:61)
2X-RAY DIFFRACTION2chain 'A' and (resseq 62:82)
3X-RAY DIFFRACTION3chain 'A' and (resseq 83:121)
4X-RAY DIFFRACTION4chain 'A' and (resseq 122:135)
5X-RAY DIFFRACTION5chain 'A' and (resseq 136:145)
6X-RAY DIFFRACTION6chain 'A' and (resseq 146:163)
7X-RAY DIFFRACTION7chain 'A' and (resseq 164:191)
8X-RAY DIFFRACTION8chain 'A' and (resseq 192:214)
9X-RAY DIFFRACTION9chain 'A' and (resseq 215:243)
10X-RAY DIFFRACTION10chain 'B' and (resseq 54:69)
11X-RAY DIFFRACTION11chain 'B' and (resseq 70:82)
12X-RAY DIFFRACTION12chain 'B' and (resseq 83:116)
13X-RAY DIFFRACTION13chain 'B' and (resseq 117:145)
14X-RAY DIFFRACTION14chain 'B' and (resseq 146:163)
15X-RAY DIFFRACTION15chain 'B' and (resseq 164:201)
16X-RAY DIFFRACTION16chain 'B' and (resseq 202:214)
17X-RAY DIFFRACTION17chain 'B' and (resseq 215:245)
18X-RAY DIFFRACTION18chain 'C' and (resseq 1:20)
19X-RAY DIFFRACTION19chain 'D' and (resseq 1:20)

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