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- PDB-4ea5: Structure of the glycoslyase domain of MBD4 bound to a 5hmU conta... -

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Basic information

Entry
Database: PDB / ID: 4ea5
TitleStructure of the glycoslyase domain of MBD4 bound to a 5hmU containing DNA
Components
  • DNA (5'-D(*CP*CP*AP*GP*CP*GP*(5HU)*GP*CP*AP*GP*C)-3')
  • DNA (5'-D(*GP*CP*TP*GP*CP*GP*CP*GP*CP*TP*GP*G)-3')
  • Methyl-CpG-binding domain protein 4
KeywordsHYDROLASE/DNA / HhH DNA glycosylase family / HYDROLASE-DNA complex
Function / homology
Function and homology information


satellite DNA binding / pyrimidine-specific mismatch base pair DNA N-glycosylase activity / depyrimidination / DNA N-glycosylase activity / Displacement of DNA glycosylase by APEX1 / Hydrolases; Glycosylases; Hydrolysing N-glycosyl compounds / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / DNA endonuclease activity / response to estradiol ...satellite DNA binding / pyrimidine-specific mismatch base pair DNA N-glycosylase activity / depyrimidination / DNA N-glycosylase activity / Displacement of DNA glycosylase by APEX1 / Hydrolases; Glycosylases; Hydrolysing N-glycosyl compounds / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / DNA endonuclease activity / response to estradiol / nuclear speck / DNA repair / DNA binding / nucleoplasm / nucleus
Similarity search - Function
Methyl-CpG-binding domain protein 4 / Methyl-CpG binding protein MeCP2/MBD4 / Hypothetical protein; domain 2 / Endonuclease III; domain 1 / DNA glycosylase / Methyl-CpG binding domain / Methyl-CpG DNA binding / Methyl-CpG binding domain / Methyl-CpG-binding domain (MBD) profile. / DNA-binding domain superfamily ...Methyl-CpG-binding domain protein 4 / Methyl-CpG binding protein MeCP2/MBD4 / Hypothetical protein; domain 2 / Endonuclease III; domain 1 / DNA glycosylase / Methyl-CpG binding domain / Methyl-CpG DNA binding / Methyl-CpG binding domain / Methyl-CpG-binding domain (MBD) profile. / DNA-binding domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
DNA / DNA (> 10) / Methyl-CpG-binding domain protein 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.14 Å
AuthorsMorera, S. / Vigouroux, A.
CitationJournal: Nucleic Acids Res. / Year: 2012
Title: Biochemical and structural characterization of the glycosylase domain of MBD4 bound to thymine and 5-hydroxymethyuracil-containing DNA.
Authors: Morera, S. / Grin, I. / Vigouroux, A. / Couve, S. / Henriot, V. / Saparbaev, M. / Ishchenko, A.A.
History
DepositionMar 22, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 8, 2012Provider: repository / Type: Initial release
Revision 1.1Nov 7, 2012Group: Database references
Revision 1.2Sep 13, 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 / struct_conn / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _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: Methyl-CpG-binding domain protein 4
C: DNA (5'-D(*CP*CP*AP*GP*CP*GP*(5HU)*GP*CP*AP*GP*C)-3')
D: DNA (5'-D(*GP*CP*TP*GP*CP*GP*CP*GP*CP*TP*GP*G)-3')


Theoretical massNumber of molelcules
Total (without water)26,5943
Polymers26,5943
Non-polymers00
Water1,27971
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2800 Å2
ΔGint-11 kcal/mol
Surface area10360 Å2
MethodPISA
Unit cell
Length a, b, c (Å)38.490, 99.760, 53.480
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 Methyl-CpG-binding domain protein 4 / Methyl-CpG-binding endonuclease 1 / Methyl-CpG-binding protein MBD4 / Mismatch-specific DNA N-glycosylase


Mass: 19234.236 Da / Num. of mol.: 1 / Fragment: glycosylase domain (residues 426-580) of MBD4 / Mutation: D560A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MBD4, MED1 / Production host: Escherichia coli (E. coli)
References: UniProt: O95243, Hydrolases; Glycosylases; Hydrolysing N-glycosyl compounds
#2: DNA chain DNA (5'-D(*CP*CP*AP*GP*CP*GP*(5HU)*GP*CP*AP*GP*C)-3')


Mass: 3664.381 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Synthetic DNA
#3: DNA chain DNA (5'-D(*GP*CP*TP*GP*CP*GP*CP*GP*CP*TP*GP*G)-3')


Mass: 3695.390 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Synthetic DNA
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 71 / 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: 1.98 Å3/Da / Density % sol: 37.94 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 20% Jeffamine M2070, 20% dimethylsulfoxite, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SOLEIL / Beamline: PROXIMA 1 / Wavelength: 0.9 Å
DetectorType: PSI PILATUS 6M / Detector: PIXEL / Date: Nov 27, 2011
RadiationMonochromator: Si 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 2.14→47.13 Å / Num. all: 12000 / Num. obs: 11828 / % possible obs: 99.2 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2
Reflection shellResolution: 2.14→2.27 Å / % possible all: 95.6

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Processing

Software
NameVersionClassification
DNAdata collection
PHASERphasing
BUSTER2.10.0refinement
XDSdata reduction
XDSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 4E9E

4e9e


Resolution: 2.14→47.13 Å / Cor.coef. Fo:Fc: 0.9264 / Cor.coef. Fo:Fc free: 0.9118 / SU R Cruickshank DPI: 0.227 / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.2353 950 8.06 %RANDOM
Rwork0.1911 ---
obs0.1948 11785 99.18 %-
all-12000 --
Refine analyzeLuzzati coordinate error obs: 0.226 Å
Refinement stepCycle: LAST / Resolution: 2.14→47.13 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1153 411 0 71 1635
Refine LS restraints
Refine-IDTypeDev idealNumberRestraint functionWeight
X-RAY DIFFRACTIONt_bond_d0.011653HARMONIC2
X-RAY DIFFRACTIONt_angle_deg1.12325HARMONIC2
X-RAY DIFFRACTIONt_dihedral_angle_d630SINUSOIDAL2
X-RAY DIFFRACTIONt_incorr_chiral_ct
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_trig_c_planes25HARMONIC2
X-RAY DIFFRACTIONt_gen_planes187HARMONIC5
X-RAY DIFFRACTIONt_it1653HARMONIC20
X-RAY DIFFRACTIONt_nbd
X-RAY DIFFRACTIONt_omega_torsion3.1
X-RAY DIFFRACTIONt_other_torsion18.75
X-RAY DIFFRACTIONt_improper_torsion
X-RAY DIFFRACTIONt_chiral_improper_torsion205SEMIHARMONIC5
X-RAY DIFFRACTIONt_sum_occupancies
X-RAY DIFFRACTIONt_utility_distance
X-RAY DIFFRACTIONt_utility_angle
X-RAY DIFFRACTIONt_utility_torsion
X-RAY DIFFRACTIONt_ideal_dist_contact1852SEMIHARMONIC4
LS refinement shellResolution: 2.14→2.34 Å / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.2513 224 8.41 %
Rwork0.1976 2440 -
all0.2021 2664 -
obs--99.18 %

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