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- PDB-4o7f: Crystal structure of the first bromodomain of human BRD4 in compl... -

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Basic information

Entry
Database: PDB / ID: 4o7f
TitleCrystal structure of the first bromodomain of human BRD4 in complex with SB-251527
ComponentsBromodomain-containing protein 4
KeywordsTRANSCRIPTION/INHIBITOR / BROMODOMAIN / CAP / HUNK1 / MCAP / PROTEIN BINDING-INHIBITOR COMPLEX / MITOTIC CHROMOSOME ASSOCIATED PROTEIN / CELL CYCLE / INHIBITOR / TRANSCRIPTION-INHIBITOR complex
Function / homology
Function and homology information


RNA polymerase II C-terminal domain binding / P-TEFb complex binding / negative regulation of DNA damage checkpoint / histone H4 reader activity / host-mediated suppression of viral transcription / positive regulation of G2/M transition of mitotic cell cycle / positive regulation of T-helper 17 cell lineage commitment / : / RNA polymerase II CTD heptapeptide repeat kinase activity / condensed nuclear chromosome ...RNA polymerase II C-terminal domain binding / P-TEFb complex binding / negative regulation of DNA damage checkpoint / histone H4 reader activity / host-mediated suppression of viral transcription / positive regulation of G2/M transition of mitotic cell cycle / positive regulation of T-helper 17 cell lineage commitment / : / RNA polymerase II CTD heptapeptide repeat kinase activity / condensed nuclear chromosome / transcription coregulator activity / positive regulation of transcription elongation by RNA polymerase II / p53 binding / chromosome / regulation of inflammatory response / histone binding / Potential therapeutics for SARS / transcription coactivator activity / positive regulation of canonical NF-kappaB signal transduction / transcription cis-regulatory region binding / chromatin remodeling / protein serine/threonine kinase activity / DNA damage response / chromatin binding / regulation of transcription by RNA polymerase II / chromatin / positive regulation of DNA-templated transcription / enzyme binding / positive regulation of transcription by RNA polymerase II / nucleoplasm / nucleus
Similarity search - Function
Bromodomain protein 4, C-terminal / C-terminal domain of bromodomain protein 4 / Brdt, bromodomain, repeat I / Brdt, bromodomain, repeat II / NET domain superfamily / NET domain profile. / : / NET domain / Bromodomain extra-terminal - transcription regulation / Bromodomain-like ...Bromodomain protein 4, C-terminal / C-terminal domain of bromodomain protein 4 / Brdt, bromodomain, repeat I / Brdt, bromodomain, repeat II / NET domain superfamily / NET domain profile. / : / NET domain / Bromodomain extra-terminal - transcription regulation / Bromodomain-like / Histone Acetyltransferase; Chain A / Bromodomain, conserved site / Bromodomain signature. / Bromodomain / bromo domain / Bromodomain / Bromodomain (BrD) profile. / Bromodomain-like superfamily / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-2RQ / Bromodomain-containing protein 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.8 Å
AuthorsEmber, S.W. / Zhu, J.-Y. / Watts, C. / Schonbrunn, E.
CitationJournal: Acs Chem.Biol. / Year: 2014
Title: Acetyl-lysine Binding Site of Bromodomain-Containing Protein 4 (BRD4) Interacts with Diverse Kinase Inhibitors.
Authors: Ember, S.W. / Zhu, J.Y. / Olesen, S.H. / Martin, M.P. / Becker, A. / Berndt, N. / Georg, G.I. / Schonbrunn, E.
History
DepositionDec 24, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 5, 2014Provider: repository / Type: Initial release
Revision 1.1Mar 19, 2014Group: Database references
Revision 1.2May 28, 2014Group: Database references
Revision 1.3Sep 20, 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_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_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

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Assembly

Deposited unit
A: Bromodomain-containing protein 4
B: Bromodomain-containing protein 4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,49811
Polymers30,1992
Non-polymers1,2999
Water4,486249
1
A: Bromodomain-containing protein 4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,6424
Polymers15,0991
Non-polymers5433
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Bromodomain-containing protein 4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,8557
Polymers15,0991
Non-polymers7566
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)41.869, 59.464, 109.606
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 Bromodomain-containing protein 4 / Protein HUNK1


Mass: 15099.380 Da / Num. of mol.: 2 / Fragment: UNP residues 44-168
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: BRD4, HUNK1 / Plasmid: PNIC28-BSA4 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)-R3 / References: UniProt: O60885
#2: Chemical ChemComp-2RQ / 4-[4-(4-fluorophenyl)-1-(piperidin-4-yl)-1H-imidazol-5-yl]-2-(2-methoxyphenoxy)pyrimidine


Mass: 445.489 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C25H24FN5O2
#3: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C2H6O2
#4: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 249 / 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: 2.26 Å3/Da / Density % sol: 45.55 %
Crystal growTemperature: 291 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 12.5 MG/ML BRD4, 5MM HEPES pH 7.5, 50MM SODIUM CHLORIDE, 0.5MM DTT, 50MM TRIS PH8.5, 0.1M AMMONIUM SULFATE, 12.5% PEG 3350, 10% DMSO, 2 MM SB-251527, VAPOR DIFFUSION, HANGING DROP, temperature 291K

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Data collection

DiffractionMean temperature: 93 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-BM / Wavelength: 1 / Wavelength: 1 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Dec 11, 2013
RadiationMonochromator: ROSENBAUM-ROCK DOUBLE-CRYSTAL SI(220) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.8→20 Å / Num. obs: 26132 / % possible obs: 100 % / Observed criterion σ(I): -3 / Redundancy: 7.1 % / Rsym value: 0.084 / Net I/σ(I): 30.8
Reflection shellResolution: 1.8→1.83 Å / Redundancy: 6.9 % / Mean I/σ(I) obs: 6.3 / Rsym value: 0.325 / % possible all: 99.8

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Processing

Software
NameVersionClassification
SERGUIdata collection
PHASERphasing
PHENIX(phenix.refine: 1.8.2_1309)refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 2OSS

2oss


Resolution: 1.8→19.747 Å / SU ML: 0.17 / σ(F): 1.35 / Phase error: 16.7 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.1936 1304 5 %
Rwork0.1397 --
obs-26072 99.97 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.8→19.747 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2124 0 91 249 2464
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0092302
X-RAY DIFFRACTIONf_angle_d1.2953126
X-RAY DIFFRACTIONf_dihedral_angle_d16.826918
X-RAY DIFFRACTIONf_chiral_restr0.069321
X-RAY DIFFRACTIONf_plane_restr0.006402
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.8-1.87220.20441420.12322690X-RAY DIFFRACTION100
1.8722-1.95730.18111420.11422708X-RAY DIFFRACTION100
1.9573-2.06040.19071430.11422712X-RAY DIFFRACTION100
2.0604-2.18930.17221430.11562726X-RAY DIFFRACTION100
2.1893-2.35810.19611430.11822713X-RAY DIFFRACTION100
2.3581-2.59490.18511460.1322758X-RAY DIFFRACTION100
2.5949-2.96930.19321440.14572746X-RAY DIFFRACTION100
2.9693-3.73690.18511470.15512790X-RAY DIFFRACTION100
3.7369-19.74770.21461540.16432925X-RAY DIFFRACTION100

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