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- PDB-7qye: BAZ2A bromodomain in complex with acetylpyrrole derivative compound 78 -

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Basic information

Entry
Database: PDB / ID: 7qye
TitleBAZ2A bromodomain in complex with acetylpyrrole derivative compound 78
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-GQF / Bromodomain adjacent to zinc finger domain protein 2A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.65 Å
AuthorsDalle Vedove, A. / Cazzanelli, G. / Caflisch, A. / Lolli, G.
Funding support Italy, 1items
OrganizationGrant numberCountry
Italian Association for Cancer ResearchMFAG 2017 - ID. 19882 Italy
CitationJournal: Acs Med.Chem.Lett. / Year: 2022
Title: Identification of a BAZ2A-Bromodomain Hit Compound by Fragment Growing.
Authors: Dalle Vedove, A. / Cazzanelli, G. / Batiste, L. / Marchand, J.R. / Spiliotopoulos, D. / Corsi, J. / D'Agostino, V.G. / Caflisch, A. / Lolli, G.
History
DepositionJan 28, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 28, 2022Provider: repository / Type: Initial release
Revision 1.1Jan 31, 2024Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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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)13,0813
Polymers12,3641
Non-polymers7172
Water2,414134
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area0 Å2
ΔGint0 kcal/mol
Surface area6460 Å2
MethodPISA
Unit cell
Length a, b, c (Å)37.458, 35.021, 37.649
Angle α, β, γ (deg.)90.000, 92.470, 90.000
Int Tables number4
Space group name H-MP1211

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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: 12363.872 Da / Num. of mol.: 1 / Fragment: Bromodomain (residues 1796-1899)
Mutation: First two residues SM derive from the expression tag. Double mutant E1845H/L1848S.
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: BAZ2A, KIAA0314, TIP5 / Production host: Escherichia coli (E. coli) / References: UniProt: Q9UIF9
#2: Chemical ChemComp-GQF / 1-[4-cyclopentyl-2-methyl-5-(2-piperazin-1-yl-1,3-thiazol-4-yl)-1~{H}-pyrrol-3-yl]ethanone


Mass: 358.501 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C19H26N4OS / Feature type: SUBJECT OF INVESTIGATION
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 134 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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 Å3/Da / Density % sol: 38.45 % / Mosaicity: 0.32 °
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 / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ELETTRA / Beamline: 11.2C / Wavelength: 0.9429 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Feb 20, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9429 Å / Relative weight: 1
ReflectionResolution: 1.65→37.614 Å / Num. obs: 11883 / % possible obs: 99.8 % / Redundancy: 6.2 % / CC1/2: 0.993 / Rmerge(I) obs: 0.118 / Rpim(I) all: 0.05 / Rrim(I) all: 0.128 / Net I/σ(I): 8.3
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Rpim(I) allRrim(I) allNet I/σ(I) obs% possible all
1.65-1.686.30.45735525630.9570.1970.4993.2100
9.04-37.614.90.055414840.9980.0250.0612.799.3

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassification
PHENIX1.11.1refinement
XDSdata reduction
Aimless0.7.4data scaling
PHASERphasing
PDB_EXTRACT3.27data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5MGJ

5mgj


Resolution: 1.65→37.614 Å / SU ML: 0.16 / Cross valid method: FREE R-VALUE / σ(F): 1.39 / Phase error: 23.7 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2095 478 4.03 %
Rwork0.1812 11369 -
obs0.1823 11847 99.6 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 67.89 Å2 / Biso mean: 21.4496 Å2 / Biso min: 8.61 Å2
Refinement stepCycle: final / Resolution: 1.65→37.614 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms866 0 50 134 1050
Biso mean--35.1 28.07 -
Num. residues----105
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.006994
X-RAY DIFFRACTIONf_angle_d1.051351
X-RAY DIFFRACTIONf_chiral_restr0.059129
X-RAY DIFFRACTIONf_plane_restr0.005178
X-RAY DIFFRACTIONf_dihedral_angle_d15.274806
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork% reflection obs (%)
1.6501-1.88890.27261940.2048369899
1.8889-2.37970.20371240.2013800100
2.3797-37.6140.19481600.16743871100

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