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- PDB-6uh5: Structural basis of COMPASS eCM recognition of the H2Bub nucleosome -
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Basic information
Entry | Database: PDB / ID: 6uh5 | ||||||||||||||||||||||||||||||||||||||||||
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Title | Structural basis of COMPASS eCM recognition of the H2Bub nucleosome | ||||||||||||||||||||||||||||||||||||||||||
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![]() | TRANSFERASE/STRUCTURAL PROTEIN/DNA / Complex / methyltransferase / chromatin / epigenetics / TRANSFERASE-STRUCTURAL PROTEIN-DNA complex | ||||||||||||||||||||||||||||||||||||||||||
Function / homology | ![]() [histone H3]-lysine4 N-trimethyltransferase / histone H3K4 trimethyltransferase activity / Set1C/COMPASS complex / hypothalamus gonadotrophin-releasing hormone neuron development / female meiosis I / positive regulation of protein monoubiquitination / fat pad development / mitochondrion transport along microtubule / female gonad development / seminiferous tubule development ...[histone H3]-lysine4 N-trimethyltransferase / histone H3K4 trimethyltransferase activity / Set1C/COMPASS complex / hypothalamus gonadotrophin-releasing hormone neuron development / female meiosis I / positive regulation of protein monoubiquitination / fat pad development / mitochondrion transport along microtubule / female gonad development / seminiferous tubule development / male meiosis I / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / energy homeostasis / regulation of neuron apoptotic process / : / regulation of proteasomal protein catabolic process / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / Prevention of phagosomal-lysosomal fusion / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Membrane binding and targetting of GAG proteins / Endosomal Sorting Complex Required For Transport (ESCRT) / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / Negative regulation of FLT3 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Constitutive Signaling by NOTCH1 HD Domain Mutants / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / APC/C:Cdc20 mediated degradation of Cyclin B / Regulation of FZD by ubiquitination / Downregulation of ERBB4 signaling / p75NTR recruits signalling complexes / APC-Cdc20 mediated degradation of Nek2A / InlA-mediated entry of Listeria monocytogenes into host cells / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Regulation of pyruvate metabolism / Regulation of innate immune responses to cytosolic DNA / NF-kB is activated and signals survival / Downregulation of ERBB2:ERBB3 signaling / Pexophagy / NRIF signals cell death from the nucleus / Regulation of PTEN localization / VLDLR internalisation and degradation / Activated NOTCH1 Transmits Signal to the Nucleus / neuron projection morphogenesis / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / Regulation of BACH1 activity / MAP3K8 (TPL2)-dependent MAPK1/3 activation / regulation of mitochondrial membrane potential / TICAM1, RIP1-mediated IKK complex recruitment / Translesion synthesis by REV1 / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / Translesion synthesis by POLK / InlB-mediated entry of Listeria monocytogenes into host cell / Downregulation of TGF-beta receptor signaling / Josephin domain DUBs / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / Regulation of activated PAK-2p34 by proteasome mediated degradation / Translesion synthesis by POLI / IKK complex recruitment mediated by RIP1 / positive regulation of protein ubiquitination / Gap-filling DNA repair synthesis and ligation in GG-NER / PINK1-PRKN Mediated Mitophagy / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / TNFR1-induced NF-kappa-B signaling pathway / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / TCF dependent signaling in response to WNT / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Regulation of NF-kappa B signaling / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / activated TAK1 mediates p38 MAPK activation / Negative regulators of DDX58/IFIH1 signaling / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / Regulation of signaling by CBL / NOTCH3 Activation and Transmission of Signal to the Nucleus / Vpu mediated degradation of CD4 / Assembly of the pre-replicative complex / Ubiquitin Mediated Degradation of Phosphorylated Cdc25A / Degradation of DVL / Deactivation of the beta-catenin transactivating complex / Negative regulation of FGFR3 signaling / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Dectin-1 mediated noncanonical NF-kB signaling / Fanconi Anemia Pathway Similarity search - Function | ||||||||||||||||||||||||||||||||||||||||||
Biological species | ![]() ![]() ![]() synthetic construct (others) | ||||||||||||||||||||||||||||||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.5 Å | ||||||||||||||||||||||||||||||||||||||||||
![]() | Hsu, P.L. / Shi, H. / Zheng, N. | ||||||||||||||||||||||||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural Basis of H2B Ubiquitination-Dependent H3K4 Methylation by COMPASS. Authors: Peter L Hsu / Hui Shi / Calvin Leonen / Jianming Kang / Champak Chatterjee / Ning Zheng / ![]() Abstract: The COMPASS (complex of proteins associated with Set1) complex represents the prototype of the SET1/MLL family of methyltransferases that controls gene transcription by H3K4 methylation (H3K4me). ...The COMPASS (complex of proteins associated with Set1) complex represents the prototype of the SET1/MLL family of methyltransferases that controls gene transcription by H3K4 methylation (H3K4me). Although H2B monoubiquitination (H2Bub) is well known as a prerequisite histone mark for COMPASS activity, how H2Bub activates COMPASS remains unclear. Here, we report the cryoelectron microscopy (cryo-EM) structures of an extended COMPASS catalytic module (CM) bound to the H2Bub and free nucleosome. The COMPASS CM clamps onto the nucleosome disk-face via an extensive interface to capture the flexible H3 N-terminal tail. The interface also sandwiches a critical Set1 arginine-rich motif (ARM) that autoinhibits COMPASS. Unexpectedly, without enhancing COMPASS-nucleosome interaction, H2Bub activates the enzymatic assembly by packing against Swd1 and alleviating the inhibitory effect of the Set1 ARM upon fastening it to the acidic patch. By delineating the spatial configuration of the COMPASS-H2Bub-nucleosome assembly, our studies establish the structural framework for understanding the long-studied H2Bub-H3K4me histone modification crosstalk. | ||||||||||||||||||||||||||||||||||||||||||
History |
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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PDBx/mmCIF format | ![]() | 576.7 KB | Display | ![]() |
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PDB format | ![]() | 441.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 20767MC ![]() 6ugmC M: map data used to model this data C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Components
-Protein , 12 types, 16 molecules AEBFCGDHKMNQXLOP
#1: Protein | Mass: 15275.879 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 11263.231 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #3: Protein | Mass: 11694.650 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #4: Protein | | Mass: 13848.097 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #5: Protein | | Mass: 13822.060 Da / Num. of mol.: 1 / Mutation: K120C Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #8: Protein | | Mass: 36458.879 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37 Gene: KLLA0_E24487g / Production host: ![]() #9: Protein | | Mass: 31448.504 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37 Gene: SET1, KLLA0F24134g / Production host: ![]() References: UniProt: Q6CIT4, histone-lysine N-methyltransferase #10: Protein | | Mass: 49894.656 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37 Gene: KLLA0_A08800g / Production host: ![]() #11: Protein | | Mass: 8622.922 Da / Num. of mol.: 1 / Mutation: G76C Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #13: Protein | | Mass: 39297.867 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37 Gene: KLLA0_D07260g / Production host: ![]() #14: Protein | | Mass: 47286.996 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37 Gene: KLLA0_C10945g / Production host: ![]() #15: Protein | Mass: 14722.625 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37 Gene: KLLA0_E03521g / Production host: ![]() |
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-DNA chain , 2 types, 2 molecules IJ
#6: DNA chain | Mass: 44825.559 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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#7: DNA chain | Mass: 45305.852 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Protein/peptide , 1 types, 1 molecules R
#12: Protein/peptide | Mass: 936.091 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Non-polymers , 2 types, 2 molecules 


#16: Chemical | ChemComp-ZN / |
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#17: Chemical | ChemComp-SAM / |
-Details
Has protein modification | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
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Molecular weight | Value: 0.45 MDa / Experimental value: NO | ||||||||||||||||||||||||||||||
Source (natural) |
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Source (recombinant) |
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Buffer solution | pH: 7.5 | ||||||||||||||||||||||||||||||
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
Specimen support | Details: unspecified | ||||||||||||||||||||||||||||||
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD |
Image recording | Electron dose: 74 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k) |
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Processing
Software | Name: PHENIX / Version: 1.15.2_3472: / Classification: refinement | ||||||||||||||||||||||||
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EM software | Name: PHENIX / Category: model refinement | ||||||||||||||||||||||||
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||
3D reconstruction | Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 215199 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
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