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- PDB-3lqj: Crystal structure of MLL1 PHD3-Bromo complexed with H3(1-9)K4me3 ... -

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Basic information

Entry
Database: PDB / ID: 3lqj
TitleCrystal structure of MLL1 PHD3-Bromo complexed with H3(1-9)K4me3 peptide
Components
  • Histone H3
  • MLL1 PHD3-Bromo
KeywordsTRANSFERASE / PHD finger / Bromodomain / MLL1 / leukemia / H3(1-9)K4me3 / Chromosomal protein / DNA-binding / Nucleosome core / Nucleus
Function / homology
Function and homology information


protein-cysteine methyltransferase activity / response to potassium ion / [histone H3]-lysine4 N-methyltransferase / histone H3K4 monomethyltransferase activity / unmethylated CpG binding / histone H3K4 trimethyltransferase activity / negative regulation of DNA methylation-dependent heterochromatin formation / regulation of short-term neuronal synaptic plasticity / T-helper 2 cell differentiation / definitive hemopoiesis ...protein-cysteine methyltransferase activity / response to potassium ion / [histone H3]-lysine4 N-methyltransferase / histone H3K4 monomethyltransferase activity / unmethylated CpG binding / histone H3K4 trimethyltransferase activity / negative regulation of DNA methylation-dependent heterochromatin formation / regulation of short-term neuronal synaptic plasticity / T-helper 2 cell differentiation / definitive hemopoiesis / histone H3K4 methyltransferase activity / embryonic hemopoiesis / exploration behavior / anterior/posterior pattern specification / histone methyltransferase complex / Formation of WDR5-containing histone-modifying complexes / minor groove of adenine-thymine-rich DNA binding / membrane depolarization / MLL1 complex / Chromatin modifying enzymes / epigenetic regulation of gene expression / negative regulation of fibroblast proliferation / homeostasis of number of cells within a tissue / spleen development / transcription initiation-coupled chromatin remodeling / cellular response to transforming growth factor beta stimulus / telomere organization / RNA Polymerase I Promoter Opening / Interleukin-7 signaling / Assembly of the ORC complex at the origin of replication / Transferases; Transferring one-carbon groups; Methyltransferases / DNA methylation / Condensation of Prophase Chromosomes / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / SIRT1 negatively regulates rRNA expression / Chromatin modifications during the maternal to zygotic transition (MZT) / HCMV Late Events / post-embryonic development / PRC2 methylates histones and DNA / Defective pyroptosis / HDACs deacetylate histones / RNA Polymerase I Promoter Escape / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / circadian regulation of gene expression / lysine-acetylated histone binding / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / visual learning / NoRC negatively regulates rRNA expression / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / protein modification process / B-WICH complex positively regulates rRNA expression / HDMs demethylate histones / PKMTs methylate histone lysines / Meiotic recombination / RMTs methylate histone arginines / Pre-NOTCH Transcription and Translation / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events / Transcriptional regulation of granulopoiesis / structural constituent of chromatin / nucleosome / nucleosome assembly / chromatin organization / RUNX1 regulates transcription of genes involved in differentiation of HSCs / Factors involved in megakaryocyte development and platelet production / HATs acetylate histones / gene expression / fibroblast proliferation / Senescence-Associated Secretory Phenotype (SASP) / methylation / protein-containing complex assembly / Oxidative Stress Induced Senescence / Estrogen-dependent gene expression / cadherin binding / protein heterodimerization activity / Amyloid fiber formation / apoptotic process / chromatin binding / positive regulation of DNA-templated transcription / protein homodimerization activity / positive regulation of transcription by RNA polymerase II / protein-containing complex / DNA binding / zinc ion binding / extracellular exosome / extracellular region / nucleoplasm / identical protein binding / membrane / nucleus / cytosol
Similarity search - Function
KMT2A, ePHD domain / KMT2A, PHD domain 1 / KMT2A, PHD domain 2 / KMT2A, PHD domain 3 / Methyltransferase, trithorax / : / FY-rich, N-terminal / F/Y-rich N-terminus / PHD-like zinc-binding domain / FYR domain FYRN motif profile. ...KMT2A, ePHD domain / KMT2A, PHD domain 1 / KMT2A, PHD domain 2 / KMT2A, PHD domain 3 / Methyltransferase, trithorax / : / FY-rich, N-terminal / F/Y-rich N-terminus / PHD-like zinc-binding domain / FYR domain FYRN motif profile. / "FY-rich" domain, N-terminal region / FY-rich, C-terminal / F/Y rich C-terminus / FYR domain FYRC motif profile. / "FY-rich" domain, C-terminal region / CXXC zinc finger domain / Zinc finger, CXXC-type / Zinc finger CXXC-type profile. / Cysteine-rich motif following a subset of SET domains / Post-SET domain / Post-SET domain profile. / SET (Su(var)3-9, Enhancer-of-zeste, Trithorax) domain / SET domain superfamily / Zinc/RING finger domain, C3HC4 (zinc finger) / SET domain / Extended PHD (ePHD) domain / Extended PHD (ePHD) domain profile. / SET domain profile. / SET domain / Herpes Virus-1 / PHD-finger / Zinc finger PHD-type signature. / Zinc finger PHD-type profile. / Zinc finger, PHD-finger / Histone H3 signature 1. / Zinc finger, PHD-type / PHD zinc finger / Bromodomain-like / Histone H3 signature 2. / Histone Acetyltransferase; Chain A / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Zinc finger, FYVE/PHD-type / Histone-fold / Bromodomain profile. / bromo domain / Bromodomain / Bromodomain-like superfamily / Zinc finger, RING/FYVE/PHD-type / Up-down Bundle / 2-Layer Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Histone H3.1 / Histone-lysine N-methyltransferase 2A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsWang, Z. / Patel, D.J.
CitationJournal: Cell(Cambridge,Mass.) / Year: 2010
Title: Pro isomerization in MLL1 PHD3-bromo cassette connects H3K4me readout to CyP33 and HDAC-mediated repression.
Authors: Wang, Z. / Song, J. / Milne, T.A. / Wang, G.G. / Li, H. / Allis, C.D. / Patel, D.J.
History
DepositionFeb 9, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 7, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Jul 26, 2017Group: Refinement description / Source and taxonomy / Category: entity_src_gen / software

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: MLL1 PHD3-Bromo
B: MLL1 PHD3-Bromo
Q: Histone H3
T: Histone H3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,0838
Polymers44,8214
Non-polymers2624
Water4,360242
1
A: MLL1 PHD3-Bromo
Q: Histone H3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,5414
Polymers22,4112
Non-polymers1312
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1130 Å2
ΔGint-7 kcal/mol
Surface area11000 Å2
MethodPISA
2
B: MLL1 PHD3-Bromo
T: Histone H3
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,5414
Polymers22,4112
Non-polymers1312
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1050 Å2
ΔGint-6 kcal/mol
Surface area10840 Å2
MethodPISA
Unit cell
Length a, b, c (Å)74.190, 113.337, 46.673
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein MLL1 PHD3-Bromo


Mass: 21305.293 Da / Num. of mol.: 2 / Fragment: Third PHD finger and Bromodomain of MLL1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: pRSFDuet-1 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 (DE3) / References: UniProt: Q03164
#2: Protein/peptide Histone H3


Mass: 1105.334 Da / Num. of mol.: 2 / Fragment: Histone H3 N-terminal tail / Source method: obtained synthetically / Details: This sequence occurs naturally in humans. / References: UniProt: P68431
#3: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 242 / 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: 2.19 Å3/Da / Density % sol: 43.81 %
Crystal growTemperature: 293 K / pH: 8.5
Details: 0.1 M Tris, 0.2 M Li2SO4, 15% PEG3350, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 197 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-E / Wavelength: 0.97918
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Oct 25, 2007
RadiationMonochromator: SI MIRRORS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97918 Å / Relative weight: 1
ReflectionResolution: 1.9→50 Å / Num. obs: 30695 / % possible obs: 97.8 % / Observed criterion σ(I): -3 / Redundancy: 4.3 % / Biso Wilson estimate: 22.5 Å2 / Rsym value: 0.086 / Net I/σ(I): 28.6
Reflection shellResolution: 1.9→1.97 Å / Redundancy: 3.8 % / Mean I/σ(I) obs: 3.5 / Rsym value: 0.462 / % possible all: 96

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Processing

Software
NameClassification
MAR345dtbdata collection
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.9→50 Å / σ(F): 0 / Stereochemistry target values: ENGH & HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.274 1524 -RANDOM
Rwork0.239 ---
obs0.239 30527 96 %-
all-31809 --
Refine analyze
FreeObs
Luzzati coordinate error0.32 Å0.28 Å
Luzzati d res low-5 Å
Luzzati sigma a0.27 Å0.25 Å
Refinement stepCycle: LAST / Resolution: 1.9→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2968 0 4 242 3214
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.34
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d21.6
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.86
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 1.9→1.97 Å
RfactorNum. reflection% reflection
Rfree0.368 140 -
Rwork0.334 --
obs--86.6 %

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