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- PDB-3o1t: Iron-Catalyzed Oxidation Intermediates Captured in A DNA Repair D... -

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Basic information

Entry
Database: PDB / ID: 3o1t
TitleIron-Catalyzed Oxidation Intermediates Captured in A DNA Repair Dioxygenase
Components
  • Alpha-ketoglutarate-dependent dioxygenase AlkB
  • DNA (5'-D(*AP*AP*CP*GP*GP*TP*AP*TP*TP*AP*CP*CP*T)-3')
  • DNA (5'-D(*AP*GP*GP*TP*AP*AP*(MDU)P*AP*CP*CP*GP*T)-3')
KeywordsOXIDOREDUCTASE / Demethyalse
Function / homology
Function and homology information


response to methyl methanesulfonate / oxidative RNA demethylation / DNA oxidative demethylase / broad specificity oxidative DNA demethylase activity / oxidative RNA demethylase activity / RNA repair / oxidative demethylation / DNA alkylation repair / dioxygenase activity / ferrous iron binding ...response to methyl methanesulfonate / oxidative RNA demethylation / DNA oxidative demethylase / broad specificity oxidative DNA demethylase activity / oxidative RNA demethylase activity / RNA repair / oxidative demethylation / DNA alkylation repair / dioxygenase activity / ferrous iron binding / DNA repair / cytoplasm / cytosol
Similarity search - Function
Alkylated DNA repair protein AlkB / Alpha-ketoglutarate-dependent dioxygenase AlkB-like / Alpha-ketoglutarate-dependent dioxygenase AlkB-like / 2OG-Fe(II) oxygenase superfamily / Alpha-ketoglutarate-dependent dioxygenase AlkB-like superfamily / Oxoglutarate/iron-dependent dioxygenase / Fe(2+) 2-oxoglutarate dioxygenase domain profile. / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
: / SUCCINIC ACID / DNA / DNA (> 10) / Alpha-ketoglutarate-dependent dioxygenase AlkB
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.48 Å
AuthorsYi, C. / Jia, G. / Hou, G. / Dai, Q. / Zhang, W. / Zheng, G. / Jian, X. / Yang, C.-G. / Cui, Q. / He, C.
CitationJournal: Nature / Year: 2010
Title: Iron-catalysed oxidation intermediates captured in a DNA repair dioxygenase.
Authors: Yi, C. / Jia, G. / Hou, G. / Dai, Q. / Zhang, W. / Zheng, G. / Jian, X. / Yang, C.G. / Cui, Q. / He, C.
History
DepositionJul 22, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 17, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Jun 19, 2013Group: Database references
Revision 1.3May 28, 2014Group: Non-polymer description / Structure summary
Revision 1.4Sep 6, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_conn_type / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_alt_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_alt_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_label_alt_id / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn_type.id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Alpha-ketoglutarate-dependent dioxygenase AlkB
B: DNA (5'-D(*AP*GP*GP*TP*AP*AP*(MDU)P*AP*CP*CP*GP*T)-3')
C: DNA (5'-D(*AP*AP*CP*GP*GP*TP*AP*TP*TP*AP*CP*CP*T)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)30,8625
Polymers30,6883
Non-polymers1742
Water6,107339
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3910 Å2
ΔGint-22 kcal/mol
Surface area12230 Å2
MethodPISA
Unit cell
Length a, b, c (Å)41.120, 75.880, 51.160
Angle α, β, γ (deg.)90.00, 107.16, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Alpha-ketoglutarate-dependent dioxygenase AlkB / Alkylated DNA repair protein AlkB


Mass: 22961.303 Da / Num. of mol.: 1
Fragment: N-terminus 11 amino acids truncated AlkB (UNP residues 12 to 216)
Mutation: S129C
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: alkB, aidD, b2212, JW2200 / Production host: Escherichia coli (E. coli) / Strain (production host): D3-157
References: UniProt: P05050, Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen; With 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each donor

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DNA chain , 2 types, 2 molecules BC

#2: DNA chain DNA (5'-D(*AP*GP*GP*TP*AP*AP*(MDU)P*AP*CP*CP*GP*T)-3')


Mass: 3776.573 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Solid state DNA synthesizer.
#3: DNA chain DNA (5'-D(*AP*AP*CP*GP*GP*TP*AP*TP*TP*AP*CP*CP*T)-3')


Mass: 3950.598 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Solid state DNA synthesizer.

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Non-polymers , 3 types, 341 molecules

#4: Chemical ChemComp-FE / FE (III) ION


Mass: 55.845 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe
#5: Chemical ChemComp-SIN / SUCCINIC ACID


Mass: 118.088 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H6O4
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 339 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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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: 2.49 Å3/Da / Density % sol: 50.6 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 20% (w/v) PEG 8K, 100 mM Sodium Chloride, 25 mM magnesium chloride, 0.1M cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 23-ID-B / Wavelength: 0.9266 Å
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9266 Å / Relative weight: 1
ReflectionResolution: 1.48→50 Å / Num. all: 38328 / Num. obs: 38290 / % possible obs: 99.9 % / Observed criterion σ(F): 2.3 / Observed criterion σ(I): 2.3 / Redundancy: 3.6 % / Rmerge(I) obs: 0.07
Reflection shellResolution: 1.48→1.53 Å / Redundancy: 3.6 % / % possible all: 99.8

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Processing

Software
NameVersionClassification
HKL-2000data collection
PHASERphasing
REFMAC5.4.0073refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 3BIE

3bie


Resolution: 1.48→15 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.93 / SU B: 3.88 / SU ML: 0.069 / Cross valid method: THROUGHOUT / σ(F): 2.3 / σ(I): 2.3 / ESU R Free: 0.103 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22629 1813 5 %RANDOM
Rwork0.18776 ---
all0.19 36208 --
obs0.18967 34246 94.58 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 16.592 Å2
Baniso -1Baniso -2Baniso -3
1--0.01 Å20 Å2-0.7 Å2
2--0.55 Å20 Å2
3----0.95 Å2
Refinement stepCycle: LAST / Resolution: 1.48→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1580 503 9 339 2431
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0070.0212291
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.2832.2613232
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.7045215
X-RAY DIFFRACTIONr_dihedral_angle_2_deg34.48423.07778
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.53315261
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.3921513
X-RAY DIFFRACTIONr_chiral_restr0.0730.2347
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.0211616
X-RAY DIFFRACTIONr_gen_planes_other
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_it0.5531.51039
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.01821679
X-RAY DIFFRACTIONr_scbond_it1.39531252
X-RAY DIFFRACTIONr_scangle_it2.1724.51548
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.62→1.662 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.267 116 -
Rwork0.257 1867 -
obs--70.8 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
11.1476-0.0512-0.18661.49720.33590.28770.00640.00330.0652-0.0680.00240.0386-0.0080.014-0.0089-0.0247-0.00110.0115-0.03030.01730.0689-1.3530.87225.301
24.0728-1.3577-0.5653.19010.46460.10630.27330.7229-0.0849-0.4426-0.27180.2199-0.0929-0.034-0.00150.060.0577-0.01380.0867-0.0010.0781-1.235-14.4389.388
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A14 - 214
2X-RAY DIFFRACTION2B2 - 13
3X-RAY DIFFRACTION2C1 - 13

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