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- PDB-6fgl: Crystal Structure of BAZ2A bromodomain in complex with acetylindo... -

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Basic information

Entry
Database: PDB / ID: 6fgl
TitleCrystal Structure of BAZ2A bromodomain in complex with acetylindole compound UZH47
ComponentsBromodomain adjacent to zinc finger domain protein 2A
KeywordsTRANSCRIPTION / four helical bundle
Function / homology
Function and homology information


NoRC complex / rDNA heterochromatin / histone H4K16ac reader activity / rDNA heterochromatin formation / RNA polymerase I preinitiation complex assembly / chromatin silencing complex / negative regulation of transcription by RNA polymerase I / DNA methylation-dependent constitutive heterochromatin formation / nuclear receptor binding / NoRC negatively regulates rRNA expression ...NoRC complex / rDNA heterochromatin / histone H4K16ac reader activity / rDNA heterochromatin formation / RNA polymerase I preinitiation complex assembly / chromatin silencing complex / negative regulation of transcription by RNA polymerase I / DNA methylation-dependent constitutive heterochromatin formation / nuclear receptor binding / NoRC negatively regulates rRNA expression / heterochromatin formation / histone binding / nuclear speck / chromatin remodeling / DNA-templated transcription / regulation of DNA-templated transcription / nucleolus / DNA binding / RNA binding / zinc ion binding / nucleus / cytosol
Similarity search - Function
Bromodomain adjacent to zinc finger domain protein 2A / WHIM1 domain / WSTF, HB1, Itc1p, MBD9 motif 1 / DNA binding domain with preference for A/T rich regions / AT hook, DNA-binding motif / BAZ2A/BAZ2B, bromodomain / DDT domain / DDT domain / WHIM2 domain / Williams-Beuren syndrome DDT (WSD), D-TOX E motif ...Bromodomain adjacent to zinc finger domain protein 2A / WHIM1 domain / WSTF, HB1, Itc1p, MBD9 motif 1 / DNA binding domain with preference for A/T rich regions / AT hook, DNA-binding motif / BAZ2A/BAZ2B, bromodomain / DDT domain / DDT domain / WHIM2 domain / Williams-Beuren syndrome DDT (WSD), D-TOX E motif / DDT domain profile. / domain in different transcription and chromosome remodeling factors / Methyl-CpG binding domain / Methyl-CpG DNA binding / Methyl-CpG binding domain / Methyl-CpG-binding domain (MBD) profile. / DNA-binding domain superfamily / PHD-finger / Zinc finger PHD-type profile. / Zinc finger, PHD-finger / Zinc finger, PHD-type / PHD zinc finger / Bromodomain-like / Histone Acetyltransferase; Chain A / Zinc finger, FYVE/PHD-type / Bromodomain, conserved site / Bromodomain signature. / Bromodomain / bromo domain / Bromodomain / Bromodomain (BrD) profile. / Bromodomain-like superfamily / Zinc finger, RING/FYVE/PHD-type / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-UO1 / Bromodomain adjacent to zinc finger domain protein 2A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.1 Å
AuthorsDalle Vedove, A. / Unzue, A. / Nevado, C. / Lolli, G. / Caflisch, A.
Funding support Switzerland, 1items
OrganizationGrant numberCountry
Swiss National Science Foundation31003A_169007 Switzerland
CitationJournal: ChemMedChem / Year: 2018
Title: Structural Analysis of Small-Molecule Binding to the BAZ2A and BAZ2B Bromodomains.
Authors: Dalle Vedove, A. / Spiliotopoulos, D. / D'Agostino, V.G. / Marchand, J.R. / Unzue, A. / Nevado, C. / Lolli, G. / Caflisch, A.
History
DepositionJan 11, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 30, 2018Provider: repository / Type: Initial release
Revision 1.1Aug 29, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Jan 17, 2024Group: 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
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_seq_id / _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_symmetry

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Bromodomain adjacent to zinc finger domain protein 2A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)12,7283
Polymers12,3811
Non-polymers3472
Water2,000111
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area50 Å2
ΔGint-2 kcal/mol
Surface area6240 Å2
MethodPISA
Unit cell
Length a, b, c (Å)95.184, 95.184, 33.127
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number152
Space group name H-MP3121
Components on special symmetry positions
IDModelComponents
11A-2058-

HOH

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Components

#1: Protein Bromodomain adjacent to zinc finger domain protein 2A / Transcription termination factor I-interacting protein 5 / Tip5 / hWALp3


Mass: 12380.919 Da / Num. of mol.: 1 / Fragment: Bromodomain (residues 1796-1899)
Source method: isolated from a genetically manipulated source
Details: First two residues SM derive from the expression tag
Source: (gene. exp.) Homo sapiens (human) / Gene: BAZ2A, KIAA0314, TIP5 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9UIF9
#2: Chemical ChemComp-UO1 / N-(1-acetyl-1H-indol-3-yl)-N-(5-hydroxy-2-methylphenyl)acetamide


Mass: 322.358 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C19H18N2O3
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 111 / 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: 3.56 Å3/Da / Density % sol: 65.47 % / Mosaicity: 0.29 °
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7.5 / Details: 20% PEG3350, 0.2 M MgCl2

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ELETTRA / Beamline: 5.2R / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 2M / Detector: PIXEL / Date: Jul 5, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.1→47.59 Å / Num. obs: 10271 / % possible obs: 99.9 % / Redundancy: 10.9 % / Biso Wilson estimate: 25.6 Å2 / CC1/2: 0.996 / Rmerge(I) obs: 0.179 / Rpim(I) all: 0.057 / Rrim(I) all: 0.188 / Net I/σ(I): 12.5 / Num. measured all: 112162
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2Rpim(I) allRrim(I) all% possible all
2.1-2.1611.41.068120.7690.3251.109100
8.91-47.5910.50.0471570.9960.0160.0599.5

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
PHENIXrefinement
XDSdata reduction
Aimless0.3.11data scaling
PHASERphasing
PDB_EXTRACT3.24data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5MGJ

5mgj


Resolution: 2.1→41.216 Å / SU ML: 0.23 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 25.13
RfactorNum. reflection% reflection
Rfree0.2239 559 5.45 %
Rwork0.1914 --
obs0.1933 10255 99.77 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 77.89 Å2 / Biso mean: 31.7915 Å2 / Biso min: 14.19 Å2
Refinement stepCycle: final / Resolution: 2.1→41.216 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms853 0 25 111 989
Biso mean--30.23 33.83 -
Num. residues----103
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.007908
X-RAY DIFFRACTIONf_angle_d0.8061228
X-RAY DIFFRACTIONf_chiral_restr0.044120
X-RAY DIFFRACTIONf_plane_restr0.006161
X-RAY DIFFRACTIONf_dihedral_angle_d2.368742
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 4 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all
2.1001-2.31150.30231240.251423892513
2.3115-2.64590.26551350.230124112546
2.6459-3.33330.23411360.195424292565
3.3333-41.22380.1911640.160524672631

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