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- PDB-4e9f: Structure of the glycosylase domain of MBD4 bound to AP site cont... -

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Basic information

Entry
Database: PDB / ID: 4e9f
TitleStructure of the glycosylase domain of MBD4 bound to AP site containing DNA
Components
  • DNA (5'-D(*CP*CP*AP*GP*CP*GP*(3DR)P*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: 1.79 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 21, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 8, 2012Provider: repository / Type: Initial release
Revision 1.1Nov 7, 2012Group: Database references
Revision 1.2Dec 28, 2016Group: Structure summary
Revision 1.3Sep 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 / struct_site
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 / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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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*(3DR)P*GP*CP*AP*GP*C)-3')
D: DNA (5'-D(*GP*CP*TP*GP*CP*GP*CP*GP*CP*TP*GP*G)-3')
hetero molecules


Theoretical massNumber of molelcules
Total (without water)26,6984
Polymers26,6363
Non-polymers621
Water1,54986
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3820 Å2
ΔGint-11 kcal/mol
Surface area10240 Å2
MethodPISA
Unit cell
Length a, b, c (Å)41.070, 55.840, 96.650
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: 19416.393 Da / Num. of mol.: 1 / Fragment: glycosylase domain of MBD4 (residues 426-580)
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*(3DR)P*GP*CP*AP*GP*C)-3')


Mass: 3524.284 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: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 86 / 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: 2.08 Å3/Da / Density % sol: 40.88 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 25% ethylene glycol, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 0.9 Å
DetectorType: PSI PILATUS 6M / Detector: PIXEL / Date: Aug 29, 2011
RadiationMonochromator: Si 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 1.79→38 Å / Num. all: 21600 / Num. obs: 21525 / % possible obs: 99.6 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Rmerge(I) obs: 0.063 / Net I/σ(I): 13.3
Reflection shellResolution: 1.79→1.9 Å / % possible all: 98.5

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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 4ENE

4ene


Resolution: 1.79→37.8 Å / Cor.coef. Fo:Fc: 0.9431 / Cor.coef. Fo:Fc free: 0.9289 / SU R Cruickshank DPI: 0.132 / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.2485 1101 5.12 %RANDOM
Rwork0.2141 ---
obs0.2158 21487 99.27 %-
all-21600 --
Refine analyzeLuzzati coordinate error obs: 0.238 Å
Refinement stepCycle: LAST / Resolution: 1.79→37.8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1179 478 4 86 1747
Refine LS restraints
Refine-IDTypeDev idealNumberRestraint functionWeight
X-RAY DIFFRACTIONt_bond_d0.011760HARMONIC2
X-RAY DIFFRACTIONt_angle_deg1.072479HARMONIC2
X-RAY DIFFRACTIONt_dihedral_angle_d678SINUSOIDAL2
X-RAY DIFFRACTIONt_trig_c_planes26HARMONIC2
X-RAY DIFFRACTIONt_gen_planes193HARMONIC5
X-RAY DIFFRACTIONt_it1760HARMONIC20
X-RAY DIFFRACTIONt_omega_torsion3.21
X-RAY DIFFRACTIONt_other_torsion18.29
X-RAY DIFFRACTIONt_chiral_improper_torsion216SEMIHARMONIC5
X-RAY DIFFRACTIONt_ideal_dist_contact1915SEMIHARMONIC4
LS refinement shellResolution: 1.79→1.88 Å / Total num. of bins used: 11
RfactorNum. reflection% reflection
Rfree0.1973 140 5.18 %
Rwork0.234 2564 -
all0.2319 2704 -
obs--99.27 %

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