+
Open data
-
Basic information
Entry | Database: EMDB / ID: EMD-0458 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Title | Structure of Dot1L-H2BK120ub nucleosome complex | |||||||||
![]() | Structure of Dot1L-H2BK120ub nucleosome complex | |||||||||
![]() |
| |||||||||
![]() | chromatin / structural biology / single particle / cryo-EM / histone methyltransferase / nucleosome / Dot1L / GENE REGULATION | |||||||||
Function / homology | ![]() histone H3K79 trimethyltransferase activity / [histone H3]-lysine79 N-trimethyltransferase / histone H3K79 methyltransferase activity / regulation of transcription regulatory region DNA binding / histone H3 methyltransferase activity / regulation of receptor signaling pathway via JAK-STAT / histone methyltransferase activity / heterochromatin formation / telomere organization / DNA damage checkpoint signaling ...histone H3K79 trimethyltransferase activity / [histone H3]-lysine79 N-trimethyltransferase / histone H3K79 methyltransferase activity / regulation of transcription regulatory region DNA binding / histone H3 methyltransferase activity / regulation of receptor signaling pathway via JAK-STAT / histone methyltransferase activity / heterochromatin formation / telomere organization / DNA damage checkpoint signaling / PKMTs methylate histone lysines / modification-dependent protein catabolic process / structural constituent of chromatin / protein tag activity / nucleosome / nucleosome assembly / gene expression / methylation / RNA polymerase II-specific DNA-binding transcription factor binding / nucleic acid binding / transcription coactivator activity / protein ubiquitination / protein heterodimerization activity / intracellular membrane-bounded organelle / DNA repair / ubiquitin protein ligase binding / positive regulation of cell population proliferation / positive regulation of transcription by RNA polymerase II / protein-containing complex / DNA binding / RNA binding / nucleoplasm / nucleus / cytoplasm / cytosol Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.9 Å | |||||||||
![]() | Anderson CJ / Baird MR | |||||||||
Funding support | ![]()
| |||||||||
![]() | ![]() Title: Structural Basis for Recognition of Ubiquitylated Nucleosome by Dot1L Methyltransferase. Authors: Cathy J Anderson / Matthew R Baird / Allen Hsu / Emily H Barbour / Yuka Koyama / Mario J Borgnia / Robert K McGinty / ![]() Abstract: Histone H3 lysine 79 (H3K79) methylation is enriched on actively transcribed genes, and its misregulation is a hallmark of leukemia. Methylation of H3K79, which resides on the structured disk face of ...Histone H3 lysine 79 (H3K79) methylation is enriched on actively transcribed genes, and its misregulation is a hallmark of leukemia. Methylation of H3K79, which resides on the structured disk face of the nucleosome, is mediated by the Dot1L methyltransferase. Dot1L activity is part of a trans-histone crosstalk pathway, requiring prior histone H2B ubiquitylation of lysine 120 (H2BK120ub) for optimal activity. However, the molecular details describing both how Dot1L binds to the nucleosome and why Dot1L is activated by H2BK120 ubiquitylation are unknown. Here, we present the cryoelectron microscopy (cryo-EM) structure of Dot1L bound to a nucleosome reconstituted with site-specifically ubiquitylated H2BK120. The structure reveals that Dot1L engages the nucleosome acidic patch using a variant arginine anchor and occupies a conformation poised for methylation. In this conformation, Dot1L and ubiquitin interact directly through complementary hydrophobic surfaces. This study establishes a path to better understand Dot1L function in normal and leukemia cells. | |||||||||
History |
|
-
Structure visualization
Movie |
![]() |
---|---|
Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
-
Downloads & links
-EMDB archive
Map data | ![]() | 7.5 MB | ![]() | |
---|---|---|---|---|
Header (meta data) | ![]() ![]() | 25.6 KB 25.6 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 11.8 KB | Display | ![]() |
Images | ![]() | 243.3 KB | ||
Filedesc metadata | ![]() | 7.3 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 369.6 KB | Display | ![]() |
---|---|---|---|---|
Full document | ![]() | 369.2 KB | Display | |
Data in XML | ![]() | 12.5 KB | Display | |
Data in CIF | ![]() | 16.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6nn6MC ![]() 0459C ![]() 0460C C: citing same article ( M: atomic model generated by this map |
---|---|
Similar structure data |
-
Links
EMDB pages | ![]() ![]() |
---|---|
Related items in Molecule of the Month |
-
Map
File | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Annotation | Structure of Dot1L-H2BK120ub nucleosome complex | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.08 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
|
-Supplemental data
-
Sample components
-Entire : Dot1L-H2BK120ub nucleosome complex (Class 2A)
Entire | Name: Dot1L-H2BK120ub nucleosome complex (Class 2A) |
---|---|
Components |
|
-Supramolecule #1: Dot1L-H2BK120ub nucleosome complex (Class 2A)
Supramolecule | Name: Dot1L-H2BK120ub nucleosome complex (Class 2A) / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#8 |
---|---|
Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 270 KDa |
-Macromolecule #1: Histone H3.2
Macromolecule | Name: Histone H3.2 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 15.30393 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: ARTKQTARKS TGGKAPRKQL ATKAARKSAP ATGGVKKPHR YRPGTVALRE IRRYQKSTEL LIRKLPFQRL VREIAQDFKT DLRFQSSAV MALQEASEAY LVALFEDTNL CAIHAKRVTI MPKDIQLARR IRGERA UniProtKB: Histone H3.2 |
-Macromolecule #2: Histone H4
Macromolecule | Name: Histone H4 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 11.263231 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: SGRGKGGKGL GKGGAKRHRK VLRDNIQGIT KPAIRRLARR GGVKRISGLI YEETRGVLKV FLENVIRDAV TYTEHAKRKT VTAMDVVYA LKRQGRTLYG FGG UniProtKB: Histone H4 |
-Macromolecule #3: Histone H2A type 1
Macromolecule | Name: Histone H2A type 1 / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 13.978241 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: SGRGKQGGKT RAKAKTRSSR AGLQFPVGRV HRLLRKGNYA ERVGAGAPVY LAAVLEYLTA EILELAGNAA RDNKKTRIIP RHLQLAVRN DEELNKLLGR VTIAQGGVLP NIQSVLLPKK TESSKSAKSK UniProtKB: Histone H2A type 1 |
-Macromolecule #4: Histone H2B 1.1
Macromolecule | Name: Histone H2B 1.1 / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 13.642846 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GSAKSAPAPK KGSKKAVTKT QKKDGKKRRK TRKESYAIYV YKVLKQVHPD TGISSKAMSI MNSFVNDVFE RIAGEASRLA HYNKRSTIT SREIQTAVRL LLPGELAKHA VSEGTKAVTC YTSAK UniProtKB: Histone H2B 1.1 |
-Macromolecule #7: Histone-lysine N-methyltransferase, H3 lysine-79 specific
Macromolecule | Name: Histone-lysine N-methyltransferase, H3 lysine-79 specific type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO / EC number: histone-lysine N-methyltransferase |
---|---|
Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 47.462039 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GSEKLELRLK SPVGAEPAVY PWPLPVYDKH HDAAHEIIET IRWVCEEIPD LKLAMENYVL IDYDTKSFES MQRLCDKYNR AIDSIHQLW KGTTQPMKLN TRPSTGLLRH ILQQVYNHSV TDPEKLNNYE PFSPEVYGET SFDLVAQMID EIKMTDDDLF V DLGSGVGQ ...String: GSEKLELRLK SPVGAEPAVY PWPLPVYDKH HDAAHEIIET IRWVCEEIPD LKLAMENYVL IDYDTKSFES MQRLCDKYNR AIDSIHQLW KGTTQPMKLN TRPSTGLLRH ILQQVYNHSV TDPEKLNNYE PFSPEVYGET SFDLVAQMID EIKMTDDDLF V DLGSGVGQ VVLQVAAATN CKHHYGVEKA DIPAKYAETM DREFRKWMKW YGKKHAEYTL ERGDFLSEEW RERIANTSVI FV NNFAFGP EVDHQLKERF ANMKEGGRIV SSKPFAPLNF RINSRNLSDI GTIMRVVELS PLKGSVSWTG KPVSYYLHTI DRT ILENYF SSLKNPKLRE EQEAARRRQQ RESKSNAATP TKGPEGKVAG PADAPMDSGA EEEKAGAATV KKPSPSKARK KKLN KKGRK MAGRKRGRPK K UniProtKB: Histone-lysine N-methyltransferase, H3 lysine-79 specific |
-Macromolecule #8: Ubiquitin
Macromolecule | Name: Ubiquitin / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO |
---|---|
Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 8.91118 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: GSGSMQIFVK TLTGKTITLE VEPSDTIENV KAKIQDKEGI PPDQQRLIFA GKQLEDGRTL SDYNIQKEST LHLVLRLRGC UniProtKB: Ubiquitin C |
-Macromolecule #5: DNA (145-MER)
Macromolecule | Name: DNA (145-MER) / type: dna / ID: 5 / Number of copies: 1 / Classification: DNA |
---|---|
Source (natural) | Organism: synthetic construct (others) |
Molecular weight | Theoretical: 44.520383 KDa |
Sequence | String: (DA)(DT)(DC)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA)(DG) (DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA) (DT)(DT)(DG)(DG)(DT)(DC)(DG)(DT)(DA)(DG) (DA) (DC)(DA)(DG)(DC)(DT)(DC) ...String: (DA)(DT)(DC)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA)(DG) (DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA) (DT)(DT)(DG)(DG)(DT)(DC)(DG)(DT)(DA)(DG) (DA) (DC)(DA)(DG)(DC)(DT)(DC)(DT)(DA) (DG)(DC)(DA)(DC)(DC)(DG)(DC)(DT)(DT)(DA) (DA)(DA) (DC)(DG)(DC)(DA)(DC)(DG)(DT) (DA)(DC)(DG)(DC)(DG)(DC)(DT)(DG)(DT)(DC) (DC)(DC)(DC) (DC)(DG)(DC)(DG)(DT)(DT) (DT)(DT)(DA)(DA)(DC)(DC)(DG)(DC)(DC)(DA) (DA)(DG)(DG)(DG) (DG)(DA)(DT)(DT)(DA) (DC)(DT)(DC)(DC)(DC)(DT)(DA)(DG)(DT)(DC) (DT)(DC)(DC)(DA)(DG) (DG)(DC)(DA)(DC) (DG)(DT)(DG)(DT)(DC)(DA)(DG)(DA)(DT)(DA) (DT)(DA)(DT)(DA)(DC)(DA) (DT)(DC)(DG) (DA)(DT) |
-Macromolecule #6: DNA (145-MER)
Macromolecule | Name: DNA (145-MER) / type: dna / ID: 6 / Number of copies: 1 / Classification: DNA |
---|---|
Source (natural) | Organism: synthetic construct (others) |
Molecular weight | Theoretical: 44.99166 KDa |
Sequence | String: (DA)(DT)(DC)(DG)(DA)(DT)(DG)(DT)(DA)(DT) (DA)(DT)(DA)(DT)(DC)(DT)(DG)(DA)(DC)(DA) (DC)(DG)(DT)(DG)(DC)(DC)(DT)(DG)(DG) (DA)(DG)(DA)(DC)(DT)(DA)(DG)(DG)(DG)(DA) (DG) (DT)(DA)(DA)(DT)(DC)(DC) ...String: (DA)(DT)(DC)(DG)(DA)(DT)(DG)(DT)(DA)(DT) (DA)(DT)(DA)(DT)(DC)(DT)(DG)(DA)(DC)(DA) (DC)(DG)(DT)(DG)(DC)(DC)(DT)(DG)(DG) (DA)(DG)(DA)(DC)(DT)(DA)(DG)(DG)(DG)(DA) (DG) (DT)(DA)(DA)(DT)(DC)(DC)(DC)(DC) (DT)(DT)(DG)(DG)(DC)(DG)(DG)(DT)(DT)(DA) (DA)(DA) (DA)(DC)(DG)(DC)(DG)(DG)(DG) (DG)(DG)(DA)(DC)(DA)(DG)(DC)(DG)(DC)(DG) (DT)(DA)(DC) (DG)(DT)(DG)(DC)(DG)(DT) (DT)(DT)(DA)(DA)(DG)(DC)(DG)(DG)(DT)(DG) (DC)(DT)(DA)(DG) (DA)(DG)(DC)(DT)(DG) (DT)(DC)(DT)(DA)(DC)(DG)(DA)(DC)(DC)(DA) (DA)(DT)(DT)(DG)(DA) (DG)(DC)(DG)(DG) (DC)(DC)(DT)(DC)(DG)(DG)(DC)(DA)(DC)(DC) (DG)(DG)(DG)(DA)(DT)(DT) (DC)(DT)(DG) (DA)(DT) |
-Experimental details
-Structure determination
Method | cryo EM |
---|---|
![]() | single particle reconstruction |
Aggregation state | particle |
-
Sample preparation
Concentration | 0.93 mg/mL |
---|---|
Buffer | pH: 7.5 |
Grid | Model: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Pretreatment - Type: PLASMA CLEANING / Pretreatment - Time: 60 sec. |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV |
-
Electron microscopy
Microscope | FEI TITAN KRIOS |
---|---|
Image recording | Film or detector model: FEI FALCON III (4k x 4k) / Detector mode: COUNTING / Number grids imaged: 1 / Number real images: 1000 / Average exposure time: 60.0 sec. / Average electron dose: 48.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
+
Image processing
-Atomic model buiding 1
Initial model |
| ||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Space: REAL / Protocol: RIGID BODY FIT | ||||||||||||||||||||||||||
Output model | ![]() PDB-6nn6: |