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- PDB-5t0m: A histone H3K9M mutation traps histone methyltransferase Clr4 to ... -

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Basic information

Entry
Database: PDB / ID: 5t0m
TitleA histone H3K9M mutation traps histone methyltransferase Clr4 to prevent heterochromatin spreading
Components
  • Histone-lysine N-methyltransferase EHMT2
  • THR-LYS-GLN-THR-ALA-ARG-NLE-SER-THR-GLY
KeywordsTRANSFERASE / histone methyltransferase / SET domain
Function / homology
Function and homology information


regulation of protein modification process / histone H3K56 methyltransferase activity / : / phenotypic switching / neuron fate specification / : / [histone H3]-lysine9 N-methyltransferase / histone H3K27 methyltransferase activity / histone H3K9 methyltransferase activity / histone H3K9me2 methyltransferase activity ...regulation of protein modification process / histone H3K56 methyltransferase activity / : / phenotypic switching / neuron fate specification / : / [histone H3]-lysine9 N-methyltransferase / histone H3K27 methyltransferase activity / histone H3K9 methyltransferase activity / histone H3K9me2 methyltransferase activity / peptidyl-lysine dimethylation / synaptonemal complex assembly / negative regulation of autophagosome assembly / protein-lysine N-methyltransferase activity / oocyte development / C2H2 zinc finger domain binding / fertilization / : / cellular response to cocaine / : / organ growth / Transcriptional Regulation by E2F6 / spermatid development / behavioral response to cocaine / regulation of DNA replication / RNA Polymerase I Transcription Initiation / Transcriptional Regulation by VENTX / long-term memory / Chromatin modifying enzymes / epigenetic regulation of gene expression / response to fungicide / Transferases; Transferring one-carbon groups; Methyltransferases / cellular response to starvation / telomere organization / RNA Polymerase I Promoter Opening / Interleukin-7 signaling / Assembly of the ORC complex at the origin of replication / DNA methylation / Condensation of Prophase Chromosomes / transcription corepressor binding / HCMV Late Events / Chromatin modifications during the maternal to zygotic transition (MZT) / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / SIRT1 negatively regulates rRNA expression / PRC2 methylates histones and DNA / Defective pyroptosis / promoter-specific chromatin binding / HDACs deacetylate histones / RNA Polymerase I Promoter Escape / RNA polymerase II transcription regulatory region sequence-specific DNA binding / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / NoRC negatively regulates rRNA expression / B-WICH complex positively regulates rRNA expression / HDMs demethylate histones / Regulation of TP53 Activity through Methylation / PKMTs methylate histone lysines / RMTs methylate histone arginines / Meiotic recombination / Pre-NOTCH Transcription and Translation / nucleosome assembly / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events / Transcriptional regulation of granulopoiesis / structural constituent of chromatin / nucleosome / cellular response to xenobiotic stimulus / p53 binding / gene expression / RUNX1 regulates transcription of genes involved in differentiation of HSCs / chromatin organization / Factors involved in megakaryocyte development and platelet production / HATs acetylate histones / Senescence-Associated Secretory Phenotype (SASP) / response to ethanol / Oxidative Stress Induced Senescence / Estrogen-dependent gene expression / nuclear speck / cadherin binding / Amyloid fiber formation / protein heterodimerization activity / chromatin / negative regulation of transcription by RNA polymerase II / protein-containing complex / DNA binding / extracellular exosome / zinc ion binding / extracellular region / nucleoplasm / membrane / nucleus
Similarity search - Function
Histone-lysine N-methyltransferase EHMT2 / Histone-lysine N-methyltransferase EHMT1/EHMT2 / : / Histone-lysine N-methyltransferase EHMT1/EHMT2, Cys-rich region / Pre-SET domain / Pre-SET motif / Pre-SET domain profile. / N-terminal to some SET domains / Beta-clip-like / SET domain ...Histone-lysine N-methyltransferase EHMT2 / Histone-lysine N-methyltransferase EHMT1/EHMT2 / : / Histone-lysine N-methyltransferase EHMT1/EHMT2, Cys-rich region / Pre-SET domain / Pre-SET motif / Pre-SET domain profile. / N-terminal to some SET domains / Beta-clip-like / SET domain / SET (Su(var)3-9, Enhancer-of-zeste, Trithorax) domain / SET domain superfamily / SET domain / SET domain profile. / SET domain / Ankyrin repeat / Beta Complex / Ankyrin repeats (3 copies) / Histone H3 signature 1. / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Histone H3 signature 2. / Ankyrin repeat / Histone H3 / Histone H3/CENP-A / Ankyrin repeat-containing domain superfamily / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold / Mainly Beta
Similarity search - Domain/homology
S-ADENOSYL-L-HOMOCYSTEINE / S-ADENOSYLMETHIONINE / Histone H3.1 / Histone-lysine N-methyltransferase EHMT2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.896 Å
AuthorsXu, K. / Tong, L.
Funding support United States, 4items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01-GM085145 United States
National Institutes of Health/Office of the DirectorS10-OD012018 United States
National Institutes of Health/National Center for Research Resources (NIH/NCRR)P41-RR011823 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)P41-GM103533 United States
CitationJournal: Elife / Year: 2016
Title: A histone H3K9M mutation traps histone methyltransferase Clr4 to prevent heterochromatin spreading.
Authors: Shan, C.M. / Wang, J. / Xu, K. / Chen, H. / Yue, J.X. / Andrews, S. / Moresco, J.J. / Yates, J.R. / Nagy, P.L. / Tong, L. / Jia, S.
History
DepositionAug 16, 2016Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 5, 2016Provider: repository / Type: Initial release
Revision 1.1Sep 20, 2017Group: Author supporting evidence / Derived calculations / Category: pdbx_audit_support / pdbx_struct_oper_list
Item: _pdbx_audit_support.funding_organization / _pdbx_struct_oper_list.symmetry_operation
Revision 1.2Dec 4, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.3Oct 4, 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 / pdbx_struct_conn_angle / struct_conn / struct_conn_type
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_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn_type.id
Revision 1.4Nov 15, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond / Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_2

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Histone-lysine N-methyltransferase EHMT2
P: THR-LYS-GLN-THR-ALA-ARG-NLE-SER-THR-GLY
B: Histone-lysine N-methyltransferase EHMT2
C: THR-LYS-GLN-THR-ALA-ARG-NLE-SER-THR-GLY
hetero molecules


Theoretical massNumber of molelcules
Total (without water)69,72615
Polymers68,0214
Non-polymers1,70511
Water6,341352
1
A: Histone-lysine N-methyltransferase EHMT2
P: THR-LYS-GLN-THR-ALA-ARG-NLE-SER-THR-GLY
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,0558
Polymers34,0112
Non-polymers1,0446
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1480 Å2
ΔGint-3 kcal/mol
Surface area13250 Å2
MethodPISA
2
B: Histone-lysine N-methyltransferase EHMT2
C: THR-LYS-GLN-THR-ALA-ARG-NLE-SER-THR-GLY
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,6717
Polymers34,0112
Non-polymers6605
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1650 Å2
ΔGint-5 kcal/mol
Surface area14030 Å2
MethodPISA
Unit cell
Length a, b, c (Å)56.623, 78.284, 71.803
Angle α, β, γ (deg.)90.00, 91.16, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein / Protein/peptide , 2 types, 4 molecules ABPC

#1: Protein Histone-lysine N-methyltransferase EHMT2 / Euchromatic histone-lysine N-methyltransferase 2 / HLA-B-associated transcript 8 / Histone H3-K9 ...Euchromatic histone-lysine N-methyltransferase 2 / HLA-B-associated transcript 8 / Histone H3-K9 methyltransferase 3 / H3-K9-HMTase 3 / Lysine N-methyltransferase 1C / Protein G9a


Mass: 32460.799 Da / Num. of mol.: 2 / Fragment: unp residues 879-1159
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: EHMT2, BAT8, C6orf30, G9A, KMT1C, NG36 / Production host: Escherichia coli (E. coli)
References: UniProt: Q96KQ7, Transferases; Transferring one-carbon groups; Methyltransferases, histone-lysine N-methyltransferase
#2: Protein/peptide THR-LYS-GLN-THR-ALA-ARG-NLE-SER-THR-GLY


Mass: 1549.775 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) Homo sapiens (human) / References: UniProt: P68431*PLUS

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Non-polymers , 4 types, 363 molecules

#3: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Zn
#4: Chemical ChemComp-SAM / S-ADENOSYLMETHIONINE / S-Adenosyl methionine


Mass: 398.437 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C15H22N6O5S
#5: Chemical ChemComp-SAH / S-ADENOSYL-L-HOMOCYSTEINE / S-Adenosyl-L-homocysteine


Type: L-peptide linking / Mass: 384.411 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H20N6O5S
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 352 / 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: 2.34 Å3/Da / Density % sol: 47.42 %
Crystal growTemperature: 293.15 K / Method: vapor diffusion, hanging drop
Details: 0.1 M Bis-Tris propane (pH 7.5), 18% (w/v) PEG3350, 0.2 M NaF, and 5% (v/v) ethylene glycol

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-C / Wavelength: 0.9792 Å
DetectorType: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Mar 10, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9792 Å / Relative weight: 1
ReflectionResolution: 1.9→50 Å / Num. obs: 49342 / % possible obs: 99.3 % / Redundancy: 6.3 % / Rmerge(I) obs: 0.06 / Net I/σ(I): 37.1
Reflection shellResolution: 1.9→1.96 Å / Redundancy: 6.1 % / Rmerge(I) obs: 0.346 / Mean I/σ(I) obs: 5.8 / % possible all: 96.6

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Processing

Software
NameVersionClassification
PHENIX1.9_1692refinement
HKL-2000704udata scaling
HKL-2000704udata reduction
PHENIX1.9_1692phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2O8J

2o8j


Resolution: 1.896→44.897 Å / SU ML: 0.19 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 30.35 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.224 1985 4.03 %
Rwork0.1845 --
obs0.1861 49237 99.04 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.896→44.897 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4419 0 88 352 4859
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0074632
X-RAY DIFFRACTIONf_angle_d0.9996268
X-RAY DIFFRACTIONf_dihedral_angle_d16.0821744
X-RAY DIFFRACTIONf_chiral_restr0.044670
X-RAY DIFFRACTIONf_plane_restr0.004818
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.8965-1.94390.36111350.27423186X-RAY DIFFRACTION95
1.9439-1.99650.31141400.24023397X-RAY DIFFRACTION99
1.9965-2.05520.2451400.22683387X-RAY DIFFRACTION99
2.0552-2.12150.28631390.22143351X-RAY DIFFRACTION99
2.1215-2.19740.31261430.22313358X-RAY DIFFRACTION100
2.1974-2.28530.25421420.20983374X-RAY DIFFRACTION99
2.2853-2.38930.29721470.20523380X-RAY DIFFRACTION99
2.3893-2.51530.24621370.19373395X-RAY DIFFRACTION100
2.5153-2.67290.21631460.18823406X-RAY DIFFRACTION100
2.6729-2.87920.21911440.18833408X-RAY DIFFRACTION100
2.8792-3.16890.21931460.18113392X-RAY DIFFRACTION100
3.1689-3.62730.20621410.1743411X-RAY DIFFRACTION99
3.6273-4.56930.17661440.15123400X-RAY DIFFRACTION99
4.5693-44.90910.19851410.16453407X-RAY DIFFRACTION97

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