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- PDB-4o74: Crystal structure of the first bromodomain of human BRD4 in compl... -

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Basic information

Entry
Database: PDB / ID: 4o74
TitleCrystal structure of the first bromodomain of human BRD4 in complex with BI 2536
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 / negative regulation by host of viral transcription / positive regulation of T-helper 17 cell lineage commitment / positive regulation of G2/M transition of mitotic cell cycle / RNA polymerase II CTD heptapeptide repeat kinase activity / histone reader activity / condensed nuclear chromosome / positive regulation of transcription elongation by RNA polymerase II ...RNA polymerase II C-terminal domain binding / P-TEFb complex binding / negative regulation of DNA damage checkpoint / negative regulation by host of viral transcription / positive regulation of T-helper 17 cell lineage commitment / positive regulation of G2/M transition of mitotic cell cycle / RNA polymerase II CTD heptapeptide repeat kinase activity / histone reader activity / condensed nuclear chromosome / positive regulation of transcription elongation by RNA polymerase II / transcription coregulator activity / lysine-acetylated histone binding / p53 binding / chromosome / regulation of inflammatory response / positive regulation of canonical NF-kappaB signal transduction / histone binding / Potential therapeutics for SARS / transcription coactivator activity / 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 / Bromodomain profile. / bromo domain / Bromodomain / Bromodomain-like superfamily / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
DI(HYDROXYETHYL)ETHER / Chem-R78 / Bromodomain-containing protein 4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.45 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

Downloads & links

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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)31,5348
Polymers30,1992
Non-polymers1,3366
Water5,567309
1
A: Bromodomain-containing protein 4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,7454
Polymers15,0991
Non-polymers6463
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Bromodomain-containing protein 4
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,7894
Polymers15,0991
Non-polymers6903
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)42.407, 59.543, 114.141
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-R78 / 4-{[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-5,6,7,8-tetrahydropteridin-2-yl]amino}-3-methoxy-N-(1-methylpiperidin-4-yl)benzamide


Mass: 521.654 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C28H39N7O3
#3: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C2H6O2
#4: Chemical ChemComp-PEG / DI(HYDROXYETHYL)ETHER


Mass: 106.120 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H10O3
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 309 / 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: 2.39 Å3/Da / Density % sol: 48.45 %
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 3,350, 10% DMSO, 1 MM BI2536, 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: Oct 31, 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: 1.45→30 Å / Num. obs: 52238 / % possible obs: 99.9 % / Observed criterion σ(I): -3 / Redundancy: 7.1 % / Rsym value: 0.046 / Net I/σ(I): 48.9
Reflection shellResolution: 1.45→1.48 Å / Redundancy: 6 % / Mean I/σ(I) obs: 4.9 / Rsym value: 0.321 / % possible all: 100

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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: 1.45→29.551 Å / SU ML: 0.1 / σ(F): 1.35 / Phase error: 15.65 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.1785 1996 3.83 %
Rwork0.1504 --
obs-52165 99.81 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.45→29.551 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2123 0 95 309 2527
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0092300
X-RAY DIFFRACTIONf_angle_d1.333129
X-RAY DIFFRACTIONf_dihedral_angle_d17.827944
X-RAY DIFFRACTIONf_chiral_restr0.071325
X-RAY DIFFRACTIONf_plane_restr0.006398
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.45-1.48460.20361370.14953472X-RAY DIFFRACTION98
1.4846-1.52480.19891420.13053555X-RAY DIFFRACTION100
1.5248-1.56960.17861410.11783543X-RAY DIFFRACTION100
1.5696-1.62030.18211410.1163526X-RAY DIFFRACTION100
1.6203-1.67820.16771390.11723524X-RAY DIFFRACTION100
1.6782-1.74540.1651420.11623564X-RAY DIFFRACTION100
1.7454-1.82480.15171420.13043557X-RAY DIFFRACTION100
1.8248-1.9210.19981430.12923588X-RAY DIFFRACTION100
1.921-2.04130.18771420.13433566X-RAY DIFFRACTION100
2.0413-2.19890.16481420.1353586X-RAY DIFFRACTION100
2.1989-2.42010.14751430.14323602X-RAY DIFFRACTION100
2.4201-2.77010.16881440.15243610X-RAY DIFFRACTION100
2.7701-3.48910.17861470.16993687X-RAY DIFFRACTION100
3.4891-29.55690.20141510.17673789X-RAY DIFFRACTION99

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