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- EMDB-61161: Cryo-EM structure of neddylated Cul2-Rbx1-EloBC-FEM1B homodimer -

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Basic information

Entry
Database: EMDB / ID: EMD-61161
TitleCryo-EM structure of neddylated Cul2-Rbx1-EloBC-FEM1B homodimer
Map data
Sample
  • Complex: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complex
    • Protein or peptide: Cullin-2
    • Protein or peptide: Elongin-C
    • Protein or peptide: Elongin-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


cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / 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 ...cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / 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 / NEDD8 ligase activity / VCB complex / negative regulation of response to oxidative stress / Cul5-RING ubiquitin ligase complex / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / negative regulation of type I interferon production / 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 / Tat-mediated elongation of the HIV-1 transcript / Formation of HIV-1 elongation complex containing HIV-1 Tat / 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 / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / G1/S transition of mitotic cell cycle / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / negative regulation of canonical Wnt signaling pathway / 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 / KEAP1-NFE2L2 pathway / Antigen processing: Ubiquitination & Proteasome degradation / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / MAPK cascade / Neddylation / cellular response to oxidative stress / protein-containing complex assembly / ubiquitin-dependent protein catabolic process
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 family / Cullin family profile. / S-phase kinase-associated protein 1-like / SKP1 component, POZ domain / Skp1 family, tetramerisation domain / Found in Skp1 protein family / SKP1/BTB/POZ domain superfamily / Zinc finger RING-type profile. / 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
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.93 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: To Be Published
Title: Neddylation induces an intermediate auto-inhibited CRL2FEM1B E3 ubiquitin ligase
Authors: Dai Z / Liang L / Yin YX
History
DepositionAug 14, 2024-
Header (metadata) releaseSep 3, 2025-
Map releaseSep 3, 2025-
UpdateSep 3, 2025-
Current statusSep 3, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_61161.png

Downloads & links

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Map

FileDownload / File: emd_61161.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.)
0.83 Å/pix.
x 480 pix.
= 398.4 Å		0.83 Å/pix.
x 480 pix.
= 398.4 Å		0.83 Å/pix.
x 480 pix.
= 398.4 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.83 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.18
Minimum - Maximum-2.104981 - 3.0852585
Average (Standard dev.)0.00020790512 (±0.030330867)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 398.4 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_61161_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_61161_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complex

EntireName: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complex
Components
  • Complex: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complex
    • Protein or peptide: Cullin-2
    • Protein or peptide: Elongin-C
    • Protein or peptide: Elongin-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 complex

SupramoleculeName: Neddylated Cul2-Rbx1-EloBC-FEM1B ubiquitin ligase complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
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-C

MacromoleculeName: Elongin-C / type: protein_or_peptide / ID: 2 / 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 #3: Elongin-B

MacromoleculeName: Elongin-B / type: protein_or_peptide / ID: 3 / 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 #4: E3 ubiquitin-protein ligase RBX1

MacromoleculeName: E3 ubiquitin-protein ligase RBX1 / type: protein_or_peptide / ID: 4 / Number of copies: 2 / 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 #5: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 5 / Number of copies: 6 / 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

Concentration0.97 mg/mL
BufferpH: 7.5
GridModel: Quantifoil R0.6/1 / Material: GOLD / Mesh: 300 / Support film - Material: GOLD
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k 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: 2.7 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

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.93 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.2) / Number images used: 204563
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
FSC plot (resolution estimation)

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