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- EMDB-36182: An asymmetry dimer of the Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase ... -

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Basic information

Entry
Database: EMDB / ID: EMD-36182
TitleAn asymmetry dimer of the Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complexed with BEX2
Map data
Sample
  • Complex: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complexed with BEX2
    • Protein or peptide: Cullin-2
    • Protein or peptide: Elongin-B
    • Protein or peptide: Elongin-C
    • Protein or peptide: Protein fem-1 homolog B
    • Protein or peptide: E3 ubiquitin-protein ligase RBX1
  • Ligand: ZINC ION
KeywordsComplex / E3 ubiquitin ligase / Cullin / Oligomer / LIGASE
Function / homology
Function and homology information


regulation of ubiquitin-protein transferase activity / epithelial cell maturation involved in prostate gland development / branching involved in prostate gland morphogenesis / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / regulation of DNA damage checkpoint / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway ...regulation of ubiquitin-protein transferase activity / epithelial cell maturation involved in prostate gland development / branching involved in prostate gland morphogenesis / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / regulation of DNA damage checkpoint / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / target-directed miRNA degradation / elongin complex / positive regulation of protein autoubiquitination / RNA polymerase II transcription initiation surveillance / protein neddylation / regulation of extrinsic apoptotic signaling pathway via death domain receptors / death receptor binding / NEDD8 ligase activity / VCB complex / negative regulation of response to oxidative stress / Cul5-RING ubiquitin ligase complex / SCF ubiquitin ligase complex / negative regulation of type I interferon production / Cul2-RING ubiquitin ligase complex / ubiquitin-ubiquitin ligase activity / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul4A-RING E3 ubiquitin ligase complex / Cul4-RING E3 ubiquitin ligase complex / Cul3-RING ubiquitin ligase complex / Cul4B-RING E3 ubiquitin ligase complex / ubiquitin ligase complex scaffold activity / negative regulation of mitophagy / Prolactin receptor signaling / cullin family protein binding / Pausing and recovery of Tat-mediated HIV elongation / Tat-mediated HIV elongation arrest and recovery / HIV elongation arrest and recovery / Pausing and recovery of HIV elongation / protein monoubiquitination / ubiquitin ligase complex / Tat-mediated elongation of the HIV-1 transcript / Formation of HIV-1 elongation complex containing HIV-1 Tat / ubiquitin-like ligase-substrate adaptor activity / protein K48-linked ubiquitination / Formation of HIV elongation complex in the absence of HIV Tat / Nuclear events stimulated by ALK signaling in cancer / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / transcription-coupled nucleotide-excision repair / RNA Polymerase II Pre-transcription Events / positive regulation of TORC1 signaling / regulation of cellular response to insulin stimulus / intrinsic apoptotic signaling pathway / negative regulation of insulin receptor signaling pathway / post-translational protein modification / Regulation of BACH1 activity / T cell activation / transcription corepressor binding / TP53 Regulates Transcription of DNA Repair Genes / transcription initiation at RNA polymerase II promoter / Degradation of DVL / cellular response to amino acid stimulus / transcription elongation by RNA polymerase II / Degradation of GLI1 by the proteasome / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Recognition of DNA damage by PCNA-containing replication complex / Negative regulation of NOTCH4 signaling / Vif-mediated degradation of APOBEC3G / Hedgehog 'on' state / G1/S transition of mitotic cell cycle / negative regulation of canonical Wnt signaling pathway / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / Inactivation of CSF3 (G-CSF) signaling / DNA Damage Recognition in GG-NER / Degradation of beta-catenin by the destruction complex / RING-type E3 ubiquitin transferase / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Evasion by RSV of host interferon responses / NOTCH1 Intracellular Domain Regulates Transcription / Dual Incision in GG-NER / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / Regulation of expression of SLITs and ROBOs / Formation of Incision Complex in GG-NER / Interleukin-1 signaling / Orc1 removal from chromatin / protein polyubiquitination / Dual incision in TC-NER / Regulation of RAS by GAPs / Gap-filling DNA repair synthesis and ligation in TC-NER / Regulation of RUNX2 expression and activity / ubiquitin-protein transferase activity / positive regulation of protein catabolic process / cellular response to UV / ubiquitin protein ligase activity
Similarity search - Function
Zinc finger, RING-H2-type / RING-H2 zinc finger domain / Cullin protein neddylation domain / : / Cullin, conserved site / Cullin family signature. / Cullin repeat-like-containing domain superfamily / Cullin protein, neddylation domain / Cullin / Cullin protein neddylation domain ...Zinc finger, RING-H2-type / RING-H2 zinc finger domain / Cullin protein neddylation domain / : / Cullin, conserved site / Cullin family signature. / Cullin repeat-like-containing domain superfamily / Cullin protein, neddylation domain / Cullin / Cullin protein neddylation domain / Elongin-C / Elongin B / Cullin / Cullin, N-terminal / Cullin homology domain / Cullin homology domain superfamily / Cullin alpha solenoid domain / Cullin family profile. / S-phase kinase-associated protein 1-like / SKP1 component, POZ domain / Skp1 family, tetramerisation domain / Found in Skp1 protein family / Ankyrin repeat / SKP1/BTB/POZ domain superfamily / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Zinc finger RING-type profile. / Ankyrin repeat-containing domain superfamily / Zinc finger, RING-type / Ubiquitin family / Ubiquitin homologues / Ubiquitin domain profile. / Ubiquitin-like domain / Zinc finger, RING/FYVE/PHD-type / Ubiquitin-like domain superfamily / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily
Similarity search - Domain/homology
E3 ubiquitin-protein ligase RBX1 / Cullin-2 / Elongin-C / Elongin-B / Protein fem-1 homolog B
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.95 Å
AuthorsDai Z / Liang L / Yin YX
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)81621063, 31800626 China
CitationJournal: EMBO J / Year: 2024
Title: Structural insights into the ubiquitylation strategy of the oligomeric CRL2 E3 ubiquitin ligase.
Authors: Zonglin Dai / Ling Liang / Weize Wang / Peng Zuo / Shang Yu / Yaqi Liu / Xuyang Zhao / Yishuo Lu / Yan Jin / Fangting Zhang / Dian Ding / Weiwei Deng / Yuxin Yin /
Abstract: Cullin-RING E3 ubiquitin ligase (CRL) family members play critical roles in numerous biological processes and diseases including cancer and Alzheimer's disease. Oligomerization of CRLs has been ...Cullin-RING E3 ubiquitin ligase (CRL) family members play critical roles in numerous biological processes and diseases including cancer and Alzheimer's disease. Oligomerization of CRLs has been reported to be crucial for the regulation of their activities. However, the structural basis for its regulation and mechanism of its oligomerization are not fully known. Here, we present cryo-EM structures of oligomeric CRL2 in its unneddylated state, neddylated state in complex with BEX2 as well as neddylated state in complex with FNIP1/FLCN. These structures reveal that asymmetric dimerization of N8-CRL2 is critical for the ubiquitylation of BEX2 while FNIP1/FLCN is ubiquitylated by monomeric CRL2. Our data present an example of the asymmetric homo-dimerization of CRL. Taken together, this study sheds light on the ubiquitylation strategy of oligomeric CRL2 according to substrates with different scales.
History
DepositionMay 15, 2023-
Header (metadata) releaseFeb 28, 2024-
Map releaseFeb 28, 2024-
UpdateApr 3, 2024-
Current statusApr 3, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_36182.png

Downloads & links

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Map

FileDownload / File: emd_36182.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.86 Å/pix.
x 480 pix.
= 412.8 Å		0.86 Å/pix.
x 480 pix.
= 412.8 Å		0.86 Å/pix.
x 480 pix.
= 412.8 Å

Surface

Projections

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Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.86 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.23
Minimum - Maximum-0.52509326 - 1.4654592
Average (Standard dev.)-0.00092997384 (±0.035768256)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 412.80002 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_36182_half_map_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_36182_half_map_2.map
Projections & Slices
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Histogram (log scale)

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Sample components

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Entire : Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complexed with BEX2

EntireName: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complexed with BEX2
Components
  • Complex: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complexed with BEX2
    • Protein or peptide: Cullin-2
    • Protein or peptide: Elongin-B
    • Protein or peptide: Elongin-C
    • Protein or peptide: Protein fem-1 homolog B
    • Protein or peptide: E3 ubiquitin-protein ligase RBX1
  • Ligand: ZINC ION

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Supramolecule #1: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complexed with BEX2

SupramoleculeName: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complexed with BEX2
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Cullin-2

MacromoleculeName: Cullin-2 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 87.92782 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MSLKPRVVDF DETWNKLLTT IKAVVMLEYV ERATWNDRFS DIYALCVAYP EPLGERLYTE TKIFLENHVR HLHKRVLESE EQVLVMYHR YWEEYSKGAD YMDCLYRYLN TQFIKKNKLT EADLQYGYGG VDMNEPLMEI GELALDMWRK LMVEPLQAIL I RMLLREIK ...String:
MSLKPRVVDF DETWNKLLTT IKAVVMLEYV ERATWNDRFS DIYALCVAYP EPLGERLYTE TKIFLENHVR HLHKRVLESE EQVLVMYHR YWEEYSKGAD YMDCLYRYLN TQFIKKNKLT EADLQYGYGG VDMNEPLMEI GELALDMWRK LMVEPLQAIL I RMLLREIK NDRGGEDPNQ KVIHGVINSF VHVEQYKKKF PLKFYQEIFE SPFLTETGEY YKQEASNLLQ ESNCSQYMEK VL GRLKDEE IRCRKYLHPS SYTKVIHECQ QRMVADHLQF LHAECHNIIR QEKKNDMANM YVLLRAVSTG LPHMIQELQN HIH DEGLRA TSNLTQENMP TLFVESVLEV HGKFVQLINT VLNGDQHFMS ALDKALTSVV NYREPKSVCK APELLAKYCD NLLK KSAKG MTENEVEDRL TSFITVFKYI DDKDVFQKFY ARMLAKRLIH GLSMSMDSEE AMINKLKQAC GYEFTSKLHR MYTDM SVSA DLNNKFNNFI KNQDTVIDLG ISFQIYVLQA GAWPLTQAPS STFAIPQELE KSVQMFELFY SQHFSGRKLT WLHYLC TGE VKMNYLGKPY VAMVTTYQMA VLLAFNNSET VSYKELQDST QMNEKELTKT IKSLLDVKMI NHDSEKEDID AESSFSL NM NFSSKRTKFK ITTSMQKDTP QEMEQTRSAV DEDRKMYLQA AIVRIMKARK VLRHNALIQE VISQSRARFN PSISMIKK C IEVLIDKQYI ERSQASADEY SYVAHHHHHH

UniProtKB: Cullin-2

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Macromolecule #2: Elongin-B

MacromoleculeName: Elongin-B / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.748406 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MDVFLMIRRH KTTIFTDAKE SSTVFELKRI VEGILKRPPD EQRLYKDDQL LDDGKTLGEC GFTSQTARPQ APATVGLAFR ADDTFEALC IEPFSSPPEL PDVMK

UniProtKB: Elongin-B

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Macromolecule #3: Elongin-C

MacromoleculeName: Elongin-C / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.045694 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MAMYVKLISS DGHEFIVKRE HALTSGTIKA MLSGPGQFAE NETNEVNFRE IPSHVLSKVC MYFTYKVRYT NSSTEIPEFP IAPEIALEL LMAANFLDC

UniProtKB: Elongin-C

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Macromolecule #4: Protein fem-1 homolog B

MacromoleculeName: Protein fem-1 homolog B / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 70.688406 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: GEFMEGLAGY VYKAASEGKV LTLAALLLNR SESDIRYLLG YVSQQGGQRS TPLIIAARNG HAKVVRLLLE HYRVQTQQTG TVRFDGYVI DGATALWCAA GAGHFEVVKL LVSHGANVNH TTVTNSTPLR AACFDGRLDI VKYLVENNAN ISIANKYDNT C LMIAAYKG ...String:
GEFMEGLAGY VYKAASEGKV LTLAALLLNR SESDIRYLLG YVSQQGGQRS TPLIIAARNG HAKVVRLLLE HYRVQTQQTG TVRFDGYVI DGATALWCAA GAGHFEVVKL LVSHGANVNH TTVTNSTPLR AACFDGRLDI VKYLVENNAN ISIANKYDNT C LMIAAYKG HTDVVRYLLE QRADPNAKAH CGATALHFAA EAGHIDIVKE LIKWRAAIVV NGHGMTPLKV AAESCKADVV EL LLSHADC DRRSRIEALE LLGASFANDR ENYDIIKTYH YLYLAMLERF QDGDNILEKE VLPPIHAYGN RTECRNPQEL ESI RQDRDA LHMEGLIVRE RILGADNIDV SHPIIYRGAV YADNMEFEQC IKLWLHALHL RQKGNRNTHK DLLRFAQVFS QMIH LNETV KAPDIECVLR CSVLEIEQSM NRVKNISDAD VHNAMDNYEC NLYTFLYLVC ISTKTQCSEE DQCKINKQIY NLIHL DPRT REGFTLLHLA VNSNTPVDDF HTNDVCSFPN ALVTKLLLDC GAEVNAVDNE GNSALHIIVQ YNRPISDFLT LHSIII SLV EAGAHTDMTN KQNKTPLDKS TTGVSEILLK TQMKMSLKCL AARAVRANDI NYQDQIPRTL EEFVGFH

UniProtKB: Protein fem-1 homolog B

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Macromolecule #5: E3 ubiquitin-protein ligase RBX1

MacromoleculeName: E3 ubiquitin-protein ligase RBX1 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO / EC number: RING-type E3 ubiquitin transferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 12.289977 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MAAAMDVDTP SGTNSGAGKK RFEVKKWNAV ALWAWDIVVD NCAICRNHIM DLCIECQANQ ASATSEECTV AWGVCNHAFH FHCISRWLK TRQVCPLDNR EWEFQKYGH

UniProtKB: E3 ubiquitin-protein ligase RBX1

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Macromolecule #6: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 6 / Number of copies: 1 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration0.8 mg/mL
BufferpH: 7.5
GridModel: Quantifoil R1.2/1.3 / Support film - Material: GOLD
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Number grids imaged: 1 / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 0.01 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.95 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 210217
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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